How Every State Voted for President Over the Last 100 Years

It is often said that the best predictor of future behavior is past behavior. When it comes to elections, that is true—but it's not true often enough that we know what to expect at the ballot box.

States like Hawaii and Rhode Island have been Democratic strongholds for decades, Massachusetts has been voting steadily blue since 1960, and Washington D.C. has never backed a Republican candidate.

On the other side of the political aisle, Alaska has voted Republican in every election but one. Idaho, Kentucky, and Indiana have been Republican for generations, while Nebraska, Oklahoma, South Dakota, Montana, and Wyoming have been voting red nearly every chance they can.

How every state voted for president over the last 100 years
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Southern states have been moving as a powerful block for ages, voting Democratic from the Reconstruction after the Civil War until the 1960s, when they opposed civil rights legislation. The Republican Party stepped in with what's known as its Southern strategy to woo their votes, adding an emphasis on the traditional nuclear family, traditional roles for women, and evangelical religion to the brewing racial issues.

In the last century, it was Southern states that voted for independent and third-party candidates, typically segregationists like Strom Thurmond and George Wallace, who did not want to see civil rights advance.

As for today, states where margins were tight in 2016 are the battlegrounds of 2020. In Florida, Donald Trump edged out Hillary Clinton by a mere 1.2%, and in Arizona, his margin of victory was just 3.5%. In Michigan, Trump defeated Clinton by 0.2%, and in Pennsylvania, he had an edge of just 0.7%.

Here, Stacker takes a look at how states voted in each election over the last 100 years, according to data from the U.S. National Archives and organized by 270toWin. The list includes the number of times a Democratic, Republican, or third-party candidate won from 1920-2016. Alaska, Hawaii, and Washington D.C. show data starting with the year they voted for the first time in a presidential election. The Electoral College winner for every election and their party also is listed at the bottom of each slide.

Read on—and don't forget to vote!

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Alabama
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Alabama

- Number of times Democratic Party candidate won: 11 (42% of all elections)
- Number of times Republican Party candidate won: 12 (46% of all elections)
- Number of times third-party candidate won: 3 (12% of all elections)

Southern states like Alabama voted Democratic after the Civil War and Reconstruction, albeit at the conservative end of the party. Alabama broke ranks in 1960 to support segregationist Harry F. Byrd and stayed away from the Democratic slate during the civil rights era of the 1960s. It voted for Democrat Jimmy Carter, of neighboring Georgia, in 1976 but has gone solidly Republican ever since.

1920-2016 election statistics:
- 1920: James M. Cox (Democratic, 12 electoral votes)
- 1924: John W. Davis (Democratic, 12 electoral votes)
- 1928: Alfred E. Smith (Democratic, 12 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1948: J. Strom Thurmond (States' Rights Democratic, 11 electoral votes)
- 1952: Adlai Stevenson (Democratic, 11 electoral votes)
- 1956: Adlai Stevenson (Democratic, 11 electoral votes)
- 1960: Harry F. Byrd (Democratic (Independent), 6 electoral votes)
- 1964: Barry M. Goldwater (Republican, 10 electoral votes)
- 1968: George C. Wallace (American Independent, 10 electoral votes)
- 1972: Richard M. Nixon (Republican, 9 electoral votes)
- 1976: Jimmy Carter (Democratic, 9 electoral votes)
- 1980: Ronald Reagan (Republican, 9 electoral votes)
- 1984: Ronald Reagan (Republican, 9 electoral votes)
- 1988: George H. W. Bush (Republican, 9 electoral votes)
- 1992: George H. W. Bush (Republican, 9 electoral votes)
- 1996: Robert Dole (Republican, 9 electoral votes)
- 2000: George W. Bush (Republican, 9 electoral votes)
- 2004: George W. Bush (Republican, 9 electoral votes)
- 2008: John S. McCain (Republican, 9 electoral votes)
- 2012: W. Mitt Romney (Republican, 9 electoral votes)
- 2016: Donald J. Trump (Republican, 9 electoral votes)

Alaska
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Alaska

- Number of times Democratic Party candidate won: 1 (7% of all elections)
- Number of times Republican Party candidate won: 14 (93% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Residents of Alaska voted for the first time in a presidential election in 1960, a year after its statehood. Since then, Alaska has voted Republican in every election but one, the Lyndon Johnson Democratic landslide in 1964. Its former governor, Sarah Palin, was on the Republican ticket with John McCain in 2008.

1920-2016 election statistics:
- 1960: Richard M. Nixon (Republican, 3 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 3 electoral votes)
- 1968: Richard M. Nixon (Republican, 3 electoral votes)
- 1972: Richard M. Nixon (Republican, 3 electoral votes)
- 1976: Gerald R. Ford (Republican, 3 electoral votes)
- 1980: Ronald Reagan (Republican, 3 electoral votes)
- 1984: Ronald Reagan (Republican, 3 electoral votes)
- 1988: George H. W. Bush (Republican, 3 electoral votes)
- 1992: George H. W. Bush (Republican, 3 electoral votes)
- 1996: Robert Dole (Republican, 3 electoral votes)
- 2000: George W. Bush (Republican, 3 electoral votes)
- 2004: George W. Bush (Republican, 3 electoral votes)
- 2008: John S. McCain (Republican, 3 electoral votes)
- 2012: W. Mitt Romney (Republican, 3 electoral votes)
- 2016: Donald J. Trump (Republican, 3 electoral votes)

Arizona
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Arizona

- Number of times Democratic Party candidate won: 6 (24% of all elections)
- Number of times Republican Party candidate won: 19 (76% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

With one exception for Democrat Bill Clinton in 1996, Arizona has been voting Republican since 1952. But in 2016 Donald Trump won with just a 3.5% edge over Hillary Clinton, and political observers consider Arizona a battleground state in November 2020.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 3 electoral votes)
- 1924: Calvin Coolidge (Republican, 3 electoral votes)
- 1928: Herbert C. Hoover (Republican, 3 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 3 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 3 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 3 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1948: Harry S. Truman (Democratic, 4 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 4 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 4 electoral votes)
- 1960: Richard M. Nixon (Republican, 4 electoral votes)
- 1964: Barry M. Goldwater (Republican, 5 electoral votes)
- 1968: Richard M. Nixon (Republican, 5 electoral votes)
- 1972: Richard M. Nixon (Republican, 6 electoral votes)
- 1976: Gerald R. Ford (Republican, 6 electoral votes)
- 1980: Ronald Reagan (Republican, 6 electoral votes)
- 1984: Ronald Reagan (Republican, 7 electoral votes)
- 1988: George H. W. Bush (Republican, 7 electoral votes)
- 1992: George H. W. Bush (Republican, 8 electoral votes)
- 1996: William J. Clinton (Democratic, 8 electoral votes)
- 2000: George W. Bush (Republican, 8 electoral votes)
- 2004: George W. Bush (Republican, 10 electoral votes)
- 2008: John S. McCain (Republican, 10 electoral votes)
- 2012: W. Mitt Romney (Republican, 11 electoral votes)
- 2016: Donald J. Trump (Republican, 11 electoral votes)

Arkansas
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Arkansas

- Number of times Democratic Party candidate won: 15 (60% of all elections)
- Number of times Republican Party candidate won: 9 (36% of all elections)
- Number of times third-party candidate won: 1 (4% of all elections)

As with other Southern states, Arkansas voted Democratic from Reconstruction until the 1960s, when it opposed civil rights legislation and voted for third-party segregationist George Wallace in 1968. Other than voting for Southerner Jimmy Carter and native son Bill Clinton, it has been solidly Republican ever since.

1920-2016 election statistics:
- 1920: James M. Cox (Democratic, 9 electoral votes)
- 1924: John W. Davis (Democratic, 9 electoral votes)
- 1928: Alfred E. Smith (Democratic, 9 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1948: Harry S. Truman (Democratic, 9 electoral votes)
- 1952: Adlai Stevenson (Democratic, 8 electoral votes)
- 1956: Adlai Stevenson (Democratic, 8 electoral votes)
- 1960: John F. Kennedy (Democratic, 8 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 6 electoral votes)
- 1968: George C. Wallace (American Independent, 6 electoral votes)
- 1972: Richard M. Nixon (Republican, 6 electoral votes)
- 1976: Jimmy Carter (Democratic, 6 electoral votes)
- 1980: Ronald Reagan (Republican, 6 electoral votes)
- 1984: Ronald Reagan (Republican, 6 electoral votes)
- 1988: George H. W. Bush (Republican, 6 electoral votes)
- 1992: William J. Clinton (Democratic, 6 electoral votes)
- 1996: William J. Clinton (Democratic, 6 electoral votes)
- 2000: George W. Bush (Republican, 6 electoral votes)
- 2004: George W. Bush (Republican, 6 electoral votes)
- 2008: John S. McCain (Republican, 6 electoral votes)
- 2012: W. Mitt Romney (Republican, 6 electoral votes)
- 2016: Donald J. Trump (Republican, 6 electoral votes)

California
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California

- Number of times Democratic Party candidate won: 13 (52% of all elections)
- Number of times Republican Party candidate won: 12 (48% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

California has been steadily voting Democratic since 1992, fueled in part by the growth in its Latino population. Prior to that, though, the voting largely went Republican, back to the state's support of Dwight Eisenhower in 1952, with the exception of its support for Lyndon Johnson in 1964.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 13 electoral votes)
- 1924: Calvin Coolidge (Republican, 13 electoral votes)
- 1928: Herbert C. Hoover (Republican, 13 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 22 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 22 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 22 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 25 electoral votes)
- 1948: Harry S. Truman (Democratic, 25 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 32 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 32 electoral votes)
- 1960: Richard M. Nixon (Republican, 32 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 40 electoral votes)
- 1968: Richard M. Nixon (Republican, 40 electoral votes)
- 1972: Richard M. Nixon (Republican, 45 electoral votes)
- 1976: Gerald R. Ford (Republican, 45 electoral votes)
- 1980: Ronald Reagan (Republican, 45 electoral votes)
- 1984: Ronald Reagan (Republican, 47 electoral votes)
- 1988: George H. W. Bush (Republican, 47 electoral votes)
- 1992: William J. Clinton (Democratic, 54 electoral votes)
- 1996: William J. Clinton (Democratic, 54 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 54 electoral votes)
- 2004: John F. Kerry (Democratic, 55 electoral votes)
- 2008: Barack H. Obama (Democratic, 55 electoral votes)
- 2012: Barack H. Obama (Democratic, 55 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 55 electoral votes)

Colorado
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Colorado

- Number of times Democratic Party candidate won: 8 (32% of all elections)
- Number of times Republican Party candidate won: 17 (68% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Colorado has voted Democratic in the last three presidential elections, backing Barack Obama twice and Hillary Clinton in 2016. But in the years following World War II until that point, it voted Republican nearly every time, breaking ranks only for Harry Truman in 1948, Lyndon Johnson in 1964, and Bill Clinton in 1992.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 6 electoral votes)
- 1924: Calvin Coolidge (Republican, 6 electoral votes)
- 1928: Herbert C. Hoover (Republican, 6 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 6 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 6 electoral votes)
- 1940: Wendell L. Willkie (Republican, 6 electoral votes)
- 1944: Thomas E. Dewey (Republican, 6 electoral votes)
- 1948: Harry S. Truman (Democratic, 6 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 6 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 6 electoral votes)
- 1960: Richard M. Nixon (Republican, 6 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 6 electoral votes)
- 1968: Richard M. Nixon (Republican, 6 electoral votes)
- 1972: Richard M. Nixon (Republican, 7 electoral votes)
- 1976: Gerald R. Ford (Republican, 7 electoral votes)
- 1980: Ronald Reagan (Republican, 7 electoral votes)
- 1984: Ronald Reagan (Republican, 8 electoral votes)
- 1988: George H. W. Bush (Republican, 8 electoral votes)
- 1992: William J. Clinton (Democratic, 8 electoral votes)
- 1996: Robert Dole (Republican, 8 electoral votes)
- 2000: George W. Bush (Republican, 8 electoral votes)
- 2004: George W. Bush (Republican, 9 electoral votes)
- 2008: Barack H. Obama (Democratic, 9 electoral votes)
- 2012: Barack H. Obama (Democratic, 9 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 9 electoral votes)

Connecticut
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Connecticut

- Number of times Democratic Party candidate won: 13 (52% of all elections)
- Number of times Republican Party candidate won: 12 (48% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Connecticut has moved back-and-forth between parties, supporting Democrat Franklin D. Roosevelt for three terms, shifting Republican for three races, and then turning Democratic again in the 1960s. It moved Republican again with Richard Nixon in 1972 and went back to the Democratic column 20 years later with Bill Clinton, where it has been ever since.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 7 electoral votes)
- 1924: Calvin Coolidge (Republican, 7 electoral votes)
- 1928: Herbert C. Hoover (Republican, 7 electoral votes)
- 1932: Herbert C. Hoover (Republican, 8 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1948: Thomas E. Dewey (Republican, 8 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 8 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 8 electoral votes)
- 1960: John F. Kennedy (Democratic, 8 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 8 electoral votes)
- 1968: Hubert H. Humphrey (Democratic, 8 electoral votes)
- 1972: Richard M. Nixon (Republican, 8 electoral votes)
- 1976: Gerald R. Ford (Republican, 8 electoral votes)
- 1980: Ronald Reagan (Republican, 8 electoral votes)
- 1984: Ronald Reagan (Republican, 8 electoral votes)
- 1988: George H. W. Bush (Republican, 8 electoral votes)
- 1992: William J. Clinton (Democratic, 8 electoral votes)
- 1996: William J. Clinton (Democratic, 8 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 8 electoral votes)
- 2004: John F. Kerry (Democratic, 7 electoral votes)
- 2008: Barack H. Obama (Democratic, 7 electoral votes)
- 2012: Barack H. Obama (Democratic, 7 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 7 electoral votes)

Delaware
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Delaware

- Number of times Democratic Party candidate won: 13 (52% of all elections)
- Number of times Republican Party candidate won: 12 (48% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Delaware has been solidly Democratic since 1992. Native son Joe Biden, the state's longtime U.S. senator and Democratic presidential nominee for 2020, was on the ballot in 2008 and 2012 with Barack Obama. However, the state went Republican with its support for Richard Nixon, Ronald Reagan, and George H.W. Bush.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 3 electoral votes)
- 1924: Calvin Coolidge (Republican, 3 electoral votes)
- 1928: Herbert C. Hoover (Republican, 3 electoral votes)
- 1932: Herbert C. Hoover (Republican, 3 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 3 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 3 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 3 electoral votes)
- 1948: Thomas E. Dewey (Republican, 3 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 3 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 3 electoral votes)
- 1960: John F. Kennedy (Democratic, 3 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 3 electoral votes)
- 1968: Richard M. Nixon (Republican, 3 electoral votes)
- 1972: Richard M. Nixon (Republican, 3 electoral votes)
- 1976: Jimmy Carter (Democratic, 3 electoral votes)
- 1980: Ronald Reagan (Republican, 3 electoral votes)
- 1984: Ronald Reagan (Republican, 3 electoral votes)
- 1988: George H. W. Bush (Republican, 3 electoral votes)
- 1992: William J. Clinton (Democratic, 3 electoral votes)
- 1996: William J. Clinton (Democratic, 3 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 3 electoral votes)
- 2004: John F. Kerry (Democratic, 3 electoral votes)
- 2008: Barack H. Obama (Democratic, 3 electoral votes)
- 2012: Barack H. Obama (Democratic, 3 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 3 electoral votes)

Florida
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Florida

- Number of times Democratic Party candidate won: 12 (48% of all elections)
- Number of times Republican Party candidate won: 13 (52% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Florida, with its diverse population of retirees, Cubans, and resort service workers, has been a critical battleground in the last several elections. Florida's vote was pivotal in the 2000 presidential race that was settled by the U.S. Supreme Court in favor of George W. Bush. Recent races have been close, such as that of 2016, when Donald Trump edged out Hillary Clinton by a mere 1.2% of the vote.

.1920-2016 election statistics:
- 1920: James M. Cox (Democratic, 6 electoral votes)
- 1924: John W. Davis (Democratic, 6 electoral votes)
- 1928: Herbert C. Hoover (Republican, 6 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 7 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 7 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 7 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1948: Harry S. Truman (Democratic, 8 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 10 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 10 electoral votes)
- 1960: Richard M. Nixon (Republican, 10 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 14 electoral votes)
- 1968: Richard M. Nixon (Republican, 14 electoral votes)
- 1972: Richard M. Nixon (Republican, 17 electoral votes)
- 1976: Jimmy Carter (Democratic, 17 electoral votes)
- 1980: Ronald Reagan (Republican, 17 electoral votes)
- 1984: Ronald Reagan (Republican, 21 electoral votes)
- 1988: George H. W. Bush (Republican, 21 electoral votes)
- 1992: George H. W. Bush (Republican, 25 electoral votes)
- 1996: William J. Clinton (Democratic, 25 electoral votes)
- 2000: George W. Bush (Republican, 25 electoral votes)
- 2004: George W. Bush (Republican, 27 electoral votes)
- 2008: Barack H. Obama (Democratic, 27 electoral votes)
- 2012: Barack H. Obama (Democratic, 29 electoral votes)
- 2016: Donald J. Trump (Republican, 29 electoral votes)

Georgia
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Georgia

- Number of times Democratic Party candidate won: 14 (56% of all elections)
- Number of times Republican Party candidate won: 10 (40% of all elections)
- Number of times third-party candidate won: 1 (4% of all elections)

Like other Southern states, conservative Georgia voted Democratic until the 1964 Civil Rights Act gave an opportunity for Republicans to build support. Georgia backed segregationist George Wallace, a third-party candidate, in 1968. It has voted Republican since 1972, except when it backed native son Jimmy Carter and Arkansas' Bill Clinton.

1920-2016 election statistics:
- 1920: James M. Cox (Democratic, 14 electoral votes)
- 1924: John W. Davis (Democratic, 14 electoral votes)
- 1928: Alfred E. Smith (Democratic, 14 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 12 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 12 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 12 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 12 electoral votes)
- 1948: Harry S. Truman (Democratic, 12 electoral votes)
- 1952: Adlai Stevenson (Democratic, 12 electoral votes)
- 1956: Adlai Stevenson (Democratic, 12 electoral votes)
- 1960: John F. Kennedy (Democratic, 12 electoral votes)
- 1964: Barry M. Goldwater (Republican, 12 electoral votes)
- 1968: George C. Wallace (American Independent, 12 electoral votes)
- 1972: Richard M. Nixon (Republican, 12 electoral votes)
- 1976: Jimmy Carter (Democratic, 12 electoral votes)
- 1980: Jimmy Carter (Democratic, 12 electoral votes)
- 1984: Ronald Reagan (Republican, 12 electoral votes)
- 1988: George H. W. Bush (Republican, 12 electoral votes)
- 1992: William J. Clinton (Democratic, 13 electoral votes)
- 1996: Robert Dole (Republican, 13 electoral votes)
- 2000: George W. Bush (Republican, 13 electoral votes)
- 2004: George W. Bush (Republican, 15 electoral votes)
- 2008: John S. McCain (Republican, 15 electoral votes)
- 2012: W. Mitt Romney (Republican, 16 electoral votes)
- 2016: Donald J. Trump (Republican, 16 electoral votes)

Hawaii
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Hawaii

- Number of times Democratic Party candidate won: 13 (87% of all elections)
- Number of times Republican Party candidate won: 2 (13% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Hawaii has been a Democratic stronghold for decades, breaking ranks only twice since 1960 to vote Republican. Native son Barack Obama won more than 70% of the vote in 2008 and again in 2012. In 2016, Hillary Clinton's margin of almost 32% percentage points over Donald Trump was the widest of all the states.

1920-2016 election statistics:
- 1960: John F. Kennedy (Democratic, 3 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 4 electoral votes)
- 1968: Hubert H. Humphrey (Democratic, 4 electoral votes)
- 1972: Richard M. Nixon (Republican, 4 electoral votes)
- 1976: Jimmy Carter (Democratic, 4 electoral votes)
- 1980: Jimmy Carter (Democratic, 4 electoral votes)
- 1984: Ronald Reagan (Republican, 4 electoral votes)
- 1988: Michael S. Dukakis (Democratic, 4 electoral votes)
- 1992: William J. Clinton (Democratic, 4 electoral votes)
- 1996: William J. Clinton (Democratic, 4 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 4 electoral votes)
- 2004: John F. Kerry (Democratic, 4 electoral votes)
- 2008: Barack H. Obama (Democratic, 4 electoral votes)
- 2012: Barack H. Obama (Democratic, 4 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 4 electoral votes)

Idaho
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Idaho

- Number of times Democratic Party candidate won: 6 (24% of all elections)
- Number of times Republican Party candidate won: 19 (76% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Idaho has backed Republican candidates for president since 1952, making only one exception for Democrat Lyndon Johnson in 1964. Donald Trump pulled in more than twice as many voters as did Hillary Clinton—59% to 28%—in the 2016 race.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 4 electoral votes)
- 1924: Calvin Coolidge (Republican, 4 electoral votes)
- 1928: Herbert C. Hoover (Republican, 4 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1948: Harry S. Truman (Democratic, 4 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 4 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 4 electoral votes)
- 1960: Richard M. Nixon (Republican, 4 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 4 electoral votes)
- 1968: Richard M. Nixon (Republican, 4 electoral votes)
- 1972: Richard M. Nixon (Republican, 4 electoral votes)
- 1976: Gerald R. Ford (Republican, 4 electoral votes)
- 1980: Ronald Reagan (Republican, 4 electoral votes)
- 1984: Ronald Reagan (Republican, 4 electoral votes)
- 1988: George H. W. Bush (Republican, 4 electoral votes)
- 1992: George H. W. Bush (Republican, 4 electoral votes)
- 1996: Robert Dole (Republican, 4 electoral votes)
- 2000: George W. Bush (Republican, 4 electoral votes)
- 2004: George W. Bush (Republican, 4 electoral votes)
- 2008: John S. McCain (Republican, 4 electoral votes)
- 2012: W. Mitt Romney (Republican, 4 electoral votes)
- 2016: Donald J. Trump (Republican, 4 electoral votes)

Illinois
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Illinois

- Number of times Democratic Party candidate won: 14 (56% of all elections)
- Number of times Republican Party candidate won: 11 (44% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Illinois has been voting solidly Democratic since 1992, but before it had been voting solidly Republican since 1968. Further back in history, it voted Republican from the time of the Civil War through the 1920s, then turned Democratic during the Great Depression and World War II. Barack Obama was Illinois' U.S. Senator when he ran in 2008.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 29 electoral votes)
- 1924: Calvin Coolidge (Republican, 29 electoral votes)
- 1928: Herbert C. Hoover (Republican, 29 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 29 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 29 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 29 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 28 electoral votes)
- 1948: Harry S. Truman (Democratic, 28 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 27 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 27 electoral votes)
- 1960: John F. Kennedy (Democratic, 27 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 26 electoral votes)
- 1968: Richard M. Nixon (Republican, 26 electoral votes)
- 1972: Richard M. Nixon (Republican, 26 electoral votes)
- 1976: Gerald R. Ford (Republican, 26 electoral votes)
- 1980: Ronald Reagan (Republican, 26 electoral votes)
- 1984: Ronald Reagan (Republican, 24 electoral votes)
- 1988: George H. W. Bush (Republican, 24 electoral votes)
- 1992: William J. Clinton (Democratic, 22 electoral votes)
- 1996: William J. Clinton (Democratic, 22 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 22 electoral votes)
- 2004: John F. Kerry (Democratic, 21 electoral votes)
- 2008: Barack H. Obama (Democratic, 21 electoral votes)
- 2012: Barack H. Obama (Democratic, 20 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 20 electoral votes)

Indiana
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Indiana

- Number of times Democratic Party candidate won: 4 (16% of all elections)
- Number of times Republican Party candidate won: 21 (84% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Indiana has been Republican since the end of World War II, with just two exceptions. It joined the Democratic landslide in electing Lyndon Johnson in 1964 and narrowly chose Democrat Barack Obama over John McCain in 2008. In 2016, Donald Trump won 57% of the vote in Indiana, while Hillary Clinton cleared just under 38%.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 15 electoral votes)
- 1924: Calvin Coolidge (Republican, 15 electoral votes)
- 1928: Herbert C. Hoover (Republican, 15 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 14 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 14 electoral votes)
- 1940: Wendell L. Willkie (Republican, 14 electoral votes)
- 1944: Thomas E. Dewey (Republican, 13 electoral votes)
- 1948: Thomas E. Dewey (Republican, 13 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 13 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 13 electoral votes)
- 1960: Richard M. Nixon (Republican, 13 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 13 electoral votes)
- 1968: Richard M. Nixon (Republican, 13 electoral votes)
- 1972: Richard M. Nixon (Republican, 13 electoral votes)
- 1976: Gerald R. Ford (Republican, 13 electoral votes)
- 1980: Ronald Reagan (Republican, 13 electoral votes)
- 1984: Ronald Reagan (Republican, 12 electoral votes)
- 1988: George H. W. Bush (Republican, 12 electoral votes)
- 1992: George H. W. Bush (Republican, 12 electoral votes)
- 1996: Robert Dole (Republican, 12 electoral votes)
- 2000: George W. Bush (Republican, 12 electoral votes)
- 2004: George W. Bush (Republican, 11 electoral votes)
- 2008: Barack H. Obama (Democratic, 11 electoral votes)
- 2012: W. Mitt Romney (Republican, 11 electoral votes)
- 2016: Donald J. Trump (Republican, 11 electoral votes)

Iowa
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Iowa

- Number of times Democratic Party candidate won: 10 (40% of all elections)
- Number of times Republican Party candidate won: 15 (60% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Iowa voted mostly Republican until 1988, when it supported Democrat Michael Dukakis and then voted blue for five of the next six elections. It is home to the nation's first caucus that kicks off each major party's nominating process every four years. Donald Trump beat Hillary Clinton by about 9 points in 2016, but in the 2020 race, Iowa is emerging as a closely contested swing state.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 13 electoral votes)
- 1924: Calvin Coolidge (Republican, 13 electoral votes)
- 1928: Herbert C. Hoover (Republican, 13 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1940: Wendell L. Willkie (Republican, 11 electoral votes)
- 1944: Thomas E. Dewey (Republican, 10 electoral votes)
- 1948: Harry S. Truman (Democratic, 10 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 10 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 10 electoral votes)
- 1960: Richard M. Nixon (Republican, 10 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 9 electoral votes)
- 1968: Richard M. Nixon (Republican, 9 electoral votes)
- 1972: Richard M. Nixon (Republican, 8 electoral votes)
- 1976: Gerald R. Ford (Republican, 8 electoral votes)
- 1980: Ronald Reagan (Republican, 8 electoral votes)
- 1984: Ronald Reagan (Republican, 8 electoral votes)
- 1988: Michael S. Dukakis (Democratic, 8 electoral votes)
- 1992: William J. Clinton (Democratic, 7 electoral votes)
- 1996: William J. Clinton (Democratic, 7 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 7 electoral votes)
- 2004: George W. Bush (Republican, 7 electoral votes)
- 2008: Barack H. Obama (Democratic, 7 electoral votes)
- 2012: Barack H. Obama (Democratic, 6 electoral votes)
- 2016: Donald J. Trump (Republican, 6 electoral votes)

Kansas
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Kansas

- Number of times Democratic Party candidate won: 3 (12% of all elections)
- Number of times Republican Party candidate won: 22 (88% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Kansas has been backing Republican candidates since Wendell Willkie in 1940. In the decades since, it voted Democratic only once: for Lyndon Johnson over Republican Barry Goldwater in 1964. As people have moved out of rural states like Kansas, it is down to six electoral votes from 10 at the start of the 20th century.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 10 electoral votes)
- 1924: Calvin Coolidge (Republican, 10 electoral votes)
- 1928: Herbert C. Hoover (Republican, 10 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1940: Wendell L. Willkie (Republican, 9 electoral votes)
- 1944: Thomas E. Dewey (Republican, 8 electoral votes)
- 1948: Thomas E. Dewey (Republican, 8 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 8 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 8 electoral votes)
- 1960: Richard M. Nixon (Republican, 8 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 7 electoral votes)
- 1968: Richard M. Nixon (Republican, 7 electoral votes)
- 1972: Richard M. Nixon (Republican, 7 electoral votes)
- 1976: Gerald R. Ford (Republican, 7 electoral votes)
- 1980: Ronald Reagan (Republican, 7 electoral votes)
- 1984: Ronald Reagan (Republican, 7 electoral votes)
- 1988: George H. W. Bush (Republican, 7 electoral votes)
- 1992: George H. W. Bush (Republican, 6 electoral votes)
- 1996: Robert Dole (Republican, 6 electoral votes)
- 2000: George W. Bush (Republican, 6 electoral votes)
- 2004: George W. Bush (Republican, 6 electoral votes)
- 2008: John S. McCain (Republican, 6 electoral votes)
- 2012: W. Mitt Romney (Republican, 6 electoral votes)
- 2016: Donald J. Trump (Republican, 6 electoral votes)

Kentucky
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Kentucky

- Number of times Democratic Party candidate won: 11 (44% of all elections)
- Number of times Republican Party candidate won: 14 (56% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Kentucky has been voting Republican for more than 50 years, other than stepping onto Democratic turf to support Southerners Jimmy Carter and Bill Clinton. Historically, Kentucky stayed in the Union during the Civil War, but from Reconstruction through World War II voted largely Democratic with its Southern neighbors. In the 2016 election, Donald Trump handily defeated Hillary Clinton by a vote of 63% to 33%.

1920-2016 election statistics:
- 1920: James M. Cox (Democratic, 13 electoral votes)
- 1924: Calvin Coolidge (Republican, 13 electoral votes)
- 1928: Herbert C. Hoover (Republican, 13 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1948: Harry S. Truman (Democratic, 11 electoral votes)
- 1952: Adlai Stevenson (Democratic, 10 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 10 electoral votes)
- 1960: Richard M. Nixon (Republican, 10 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 9 electoral votes)
- 1968: Richard M. Nixon (Republican, 9 electoral votes)
- 1972: Richard M. Nixon (Republican, 9 electoral votes)
- 1976: Jimmy Carter (Democratic, 9 electoral votes)
- 1980: Ronald Reagan (Republican, 9 electoral votes)
- 1984: Ronald Reagan (Republican, 9 electoral votes)
- 1988: George H. W. Bush (Republican, 9 electoral votes)
- 1992: William J. Clinton (Democratic, 8 electoral votes)
- 1996: William J. Clinton (Democratic, 8 electoral votes)
- 2000: George W. Bush (Republican, 8 electoral votes)
- 2004: George W. Bush (Republican, 8 electoral votes)
- 2008: John S. McCain (Republican, 8 electoral votes)
- 2012: W. Mitt Romney (Republican, 8 electoral votes)
- 2016: Donald J. Trump (Republican, 8 electoral votes)

Louisiana
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Louisiana

- Number of times Democratic Party candidate won: 12 (48% of all elections)
- Number of times Republican Party candidate won: 11 (44% of all elections)
- Number of times third-party candidate won: 2 (8% of all elections)

Louisiana had a history of voting Democratic since Reconstruction but backed Republicans Dwight Eisenhower in 1956 and Barry Goldwater in 1964. Other than supporting segregationist George Wallace in 1968 and Southerners Jimmy Carter and Bill Clinton, it has been solidly Republican for decades.

1920-2016 election statistics:
- 1920: James M. Cox (Democratic, 10 electoral votes)
- 1924: John W. Davis (Democratic, 10 electoral votes)
- 1928: Alfred E. Smith (Democratic, 10 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 10 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 10 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 10 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 10 electoral votes)
- 1948: J. Strom Thurmond (States' Rights Democratic, 10 electoral votes)
- 1952: Adlai Stevenson (Democratic, 10 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 10 electoral votes)
- 1960: John F. Kennedy (Democratic, 10 electoral votes)
- 1964: Barry M. Goldwater (Republican, 10 electoral votes)
- 1968: George C. Wallace (American Independent, 10 electoral votes)
- 1972: Richard M. Nixon (Republican, 10 electoral votes)
- 1976: Jimmy Carter (Democratic, 10 electoral votes)
- 1980: Ronald Reagan (Republican, 10 electoral votes)
- 1984: Ronald Reagan (Republican, 10 electoral votes)
- 1988: George H. W. Bush (Republican, 10 electoral votes)
- 1992: William J. Clinton (Democratic, 9 electoral votes)
- 1996: William J. Clinton (Democratic, 9 electoral votes)
- 2000: George W. Bush (Republican, 9 electoral votes)
- 2004: George W. Bush (Republican, 9 electoral votes)
- 2008: John S. McCain (Republican, 9 electoral votes)
- 2012: W. Mitt Romney (Republican, 8 electoral votes)
- 2016: Donald J. Trump (Republican, 8 electoral votes)

Maine
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Maine

- Number of times Democratic Party candidate won: 8 (32% of all elections)
- Number of times Republican Party candidate won: 17 (68% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Maine was historically Republican, with the exception of two elections in the 1960s, but has voted Democratic since backing Bill Clinton in 1992. This year, Maine will be the first state to use ranked-choice voting, in which voters rank candidates by preference rather than choosing one, in a presidential election. The state Republican Party unsuccessfully fought the system, which was first used statewide in 2018. With ranked-choice voting, if no candidate gets a majority of first-choice votes, a new count eliminates the candidate who fared worst, and that candidate's support is redistributed to its second-choice pick. The process continues until a candidate gets a majority.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 6 electoral votes)
- 1924: Calvin Coolidge (Republican, 6 electoral votes)
- 1928: Herbert C. Hoover (Republican, 6 electoral votes)
- 1932: Herbert C. Hoover (Republican, 5 electoral votes)
- 1936: Alfred M. Landon (Republican, 5 electoral votes)
- 1940: Wendell L. Willkie (Republican, 5 electoral votes)
- 1944: Thomas E. Dewey (Republican, 5 electoral votes)
- 1948: Thomas E. Dewey (Republican, 5 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 5 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 5 electoral votes)
- 1960: Richard M. Nixon (Republican, 5 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 4 electoral votes)
- 1968: Hubert H. Humphrey (Democratic, 4 electoral votes)
- 1972: Richard M. Nixon (Republican, 4 electoral votes)
- 1976: Gerald R. Ford (Republican, 4 electoral votes)
- 1980: Ronald Reagan (Republican, 4 electoral votes)
- 1984: Ronald Reagan (Republican, 4 electoral votes)
- 1988: George H. W. Bush (Republican, 4 electoral votes)
- 1992: William J. Clinton (Democratic, 4 electoral votes)
- 1996: William J. Clinton (Democratic, 4 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 4 electoral votes)
- 2004: John F. Kerry (Democratic, 4 electoral votes)
- 2008: Barack H. Obama (Democratic, 4 electoral votes)
- 2012: Barack H. Obama (Democratic, 4 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 1 electoral votes)

Maryland
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Maryland

- Number of times Democratic Party candidate won: 16 (64% of all elections)
- Number of times Republican Party candidate won: 9 (36% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Maryland has been reliably Democratic since 1992, with the election of Bill Clinton, and it had been voting Democratic more often than not as far back as 1960 with its support for John F. Kennedy. Hillary Clinton beat Donald Trump 60% to 34% in Maryland in 2016.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 8 electoral votes)
- 1924: Calvin Coolidge (Republican, 8 electoral votes)
- 1928: Herbert C. Hoover (Republican, 8 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 8 electoral votes)
- 1948: Thomas E. Dewey (Republican, 8 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 9 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 9 electoral votes)
- 1960: John F. Kennedy (Democratic, 9 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 10 electoral votes)
- 1968: Hubert H. Humphrey (Democratic, 10 electoral votes)
- 1972: Richard M. Nixon (Republican, 10 electoral votes)
- 1976: Jimmy Carter (Democratic, 10 electoral votes)
- 1980: Jimmy Carter (Democratic, 10 electoral votes)
- 1984: Ronald Reagan (Republican, 10 electoral votes)
- 1988: George H. W. Bush (Republican, 10 electoral votes)
- 1992: William J. Clinton (Democratic, 10 electoral votes)
- 1996: William J. Clinton (Democratic, 10 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 10 electoral votes)
- 2004: John F. Kerry (Democratic, 10 electoral votes)
- 2008: Barack H. Obama (Democratic, 10 electoral votes)
- 2012: Barack H. Obama (Democratic, 10 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 10 electoral votes)

Massachusetts
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Massachusetts

- Number of times Democratic Party candidate won: 19 (76% of all elections)
- Number of times Republican Party candidate won: 6 (24% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Massachusetts has been voting steadily blue since 1960, helping elect native son John F. Kennedy to the White House. It even voted Democratic in 1972—the only state to support George McGovern in his loss to Richard Nixon. But Massachusetts did step onto Republican turf in 1980 and 1984 to vote for Ronald Reagan.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 18 electoral votes)
- 1924: Calvin Coolidge (Republican, 18 electoral votes)
- 1928: Alfred E. Smith (Democratic, 18 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 17 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 17 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 17 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 16 electoral votes)
- 1948: Harry S. Truman (Democratic, 16 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 16 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 16 electoral votes)
- 1960: John F. Kennedy (Democratic, 16 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 14 electoral votes)
- 1968: Hubert H. Humphrey (Democratic, 14 electoral votes)
- 1972: George McGovern (Democratic, 14 electoral votes)
- 1976: Jimmy Carter (Democratic, 14 electoral votes)
- 1980: Ronald Reagan (Republican, 14 electoral votes)
- 1984: Ronald Reagan (Republican, 13 electoral votes)
- 1988: Michael S. Dukakis (Democratic, 13 electoral votes)
- 1992: William J. Clinton (Democratic, 12 electoral votes)
- 1996: William J. Clinton (Democratic, 12 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 12 electoral votes)
- 2004: John F. Kerry (Democratic, 12 electoral votes)
- 2008: Barack H. Obama (Democratic, 12 electoral votes)
- 2012: Barack H. Obama (Democratic, 11 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 11 electoral votes)

Michigan
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Michigan

- Number of times Democratic Party candidate won: 12 (48% of all elections)
- Number of times Republican Party candidate won: 13 (52% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Michigan, a big labor union state, had been voting solidly Democratic from 1992 through 2012 but gave Republican Donald Trump a narrow victory in 2016. Trump defeated Hillary Clinton by 0.2%, the smallest popular-vote margin in all 50 states.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 15 electoral votes)
- 1924: Calvin Coolidge (Republican, 15 electoral votes)
- 1928: Herbert C. Hoover (Republican, 15 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 19 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 19 electoral votes)
- 1940: Wendell L. Willkie (Republican, 19 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 19 electoral votes)
- 1948: Thomas E. Dewey (Republican, 19 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 20 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 20 electoral votes)
- 1960: John F. Kennedy (Democratic, 20 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 21 electoral votes)
- 1968: Hubert H. Humphrey (Democratic, 21 electoral votes)
- 1972: Richard M. Nixon (Republican, 21 electoral votes)
- 1976: Gerald R. Ford (Republican, 21 electoral votes)
- 1980: Ronald Reagan (Republican, 21 electoral votes)
- 1984: Ronald Reagan (Republican, 20 electoral votes)
- 1988: George H. W. Bush (Republican, 20 electoral votes)
- 1992: William J. Clinton (Democratic, 18 electoral votes)
- 1996: William J. Clinton (Democratic, 18 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 18 electoral votes)
- 2004: John F. Kerry (Democratic, 17 electoral votes)
- 2008: Barack H. Obama (Democratic, 17 electoral votes)
- 2012: Barack H. Obama (Democratic, 16 electoral votes)
- 2016: Donald J. Trump (Republican, 16 electoral votes)

Minnesota
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Minnesota

- Number of times Democratic Party candidate won: 19 (76% of all elections)
- Number of times Republican Party candidate won: 6 (24% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Minnesota has voted for the Democratic candidate in the last 11 presidential races. In 1984, Minnesota supported native son Walter Mondale, the only state to vote for the Democrat in his failed bid against Ronald Reagan. In 2016, Hillary Clinton beat Donald Trump, but only by a razor-thin edge of 1.5%.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 12 electoral votes)
- 1924: Calvin Coolidge (Republican, 12 electoral votes)
- 1928: Herbert C. Hoover (Republican, 12 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 11 electoral votes)
- 1948: Harry S. Truman (Democratic, 11 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 11 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 11 electoral votes)
- 1960: John F. Kennedy (Democratic, 11 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 10 electoral votes)
- 1968: Hubert H. Humphrey (Democratic, 10 electoral votes)
- 1972: Richard M. Nixon (Republican, 10 electoral votes)
- 1976: Jimmy Carter (Democratic, 10 electoral votes)
- 1980: Jimmy Carter (Democratic, 10 electoral votes)
- 1984: Walter F. Mondale (Democratic, 10 electoral votes)
- 1988: Michael S. Dukakis (Democratic, 10 electoral votes)
- 1992: William J. Clinton (Democratic, 10 electoral votes)
- 1996: William J. Clinton (Democratic, 10 electoral votes)
- 2000: Albert Gore, Jr. (Democratic, 10 electoral votes)
- 2004: John F. Kerry (Democratic, 10 electoral votes)
- 2008: Barack H. Obama (Democratic, 10 electoral votes)
- 2012: Barack H. Obama (Democratic, 10 electoral votes)
- 2016: Hillary R. Clinton (Democratic, 10 electoral votes)

Mississippi
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Mississippi

- Number of times Democratic Party candidate won: 10 (40% of all elections)
- Number of times Republican Party candidate won: 12 (48% of all elections)
- Number of times third-party candidate won: 3 (12% of all elections)

Mississippi was a conservative Democratic stronghold until switching to the Republican Party during the 1960s era of civil rights legislation. It has backed third-party candidates three times since World War II, more than any other U.S. state, all of them supporters of racial segregation. It has gone Republican in every presidential race since 1972, except for supporting Georgia's Jimmy Carter in 1976.

1920-2016 election statistics:
- 1920: James M. Cox (Democratic, 10 electoral votes)
- 1924: John W. Davis (Democratic, 10 electoral votes)
- 1928: Alfred E. Smith (Democratic, 10 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 9 electoral votes)
- 1948: J. Strom Thurmond (States' Rights Democratic, 9 electoral votes)
- 1952: Adlai Stevenson (Democratic, 8 electoral votes)
- 1956: Adlai Stevenson (Democratic, 8 electoral votes)
- 1960: Harry F. Byrd (Democratic (Independent), 8 electoral votes)
- 1964: Barry M. Goldwater (Republican, 7 electoral votes)
- 1968: George C. Wallace (American Independent, 7 electoral votes)
- 1972: Richard M. Nixon (Republican, 7 electoral votes)
- 1976: Jimmy Carter (Democratic, 7 electoral votes)
- 1980: Ronald Reagan (Republican, 7 electoral votes)
- 1984: Ronald Reagan (Republican, 7 electoral votes)
- 1988: George H. W. Bush (Republican, 7 electoral votes)
- 1992: George H. W. Bush (Republican, 7 electoral votes)
- 1996: Robert Dole (Republican, 7 electoral votes)
- 2000: George W. Bush (Republican, 7 electoral votes)
- 2004: George W. Bush (Republican, 6 electoral votes)
- 2008: John S. McCain (Republican, 6 electoral votes)
- 2012: W. Mitt Romney (Republican, 6 electoral votes)
- 2016: Donald J. Trump (Republican, 6 electoral votes)

Missouri
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Missouri

- Number of times Democratic Party candidate won: 11 (44% of all elections)
- Number of times Republican Party candidate won: 14 (56% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Missouri has been reliably Republican for decades, since the late 1960s. It has made exceptions, however, for Southerners Jimmy Carter and Bill Clinton. In the 2016 election, voter registration and turnout in Missouri were significantly higher than the national average.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 18 electoral votes)
- 1924: Calvin Coolidge (Republican, 18 electoral votes)
- 1928: Herbert C. Hoover (Republican, 18 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 15 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 15 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 15 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 15 electoral votes)
- 1948: Harry S. Truman (Democratic, 15 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 13 electoral votes)
- 1956: Adlai Stevenson (Democratic, 13 electoral votes)
- 1960: John F. Kennedy (Democratic, 13 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 12 electoral votes)
- 1968: Richard M. Nixon (Republican, 12 electoral votes)
- 1972: Richard M. Nixon (Republican, 12 electoral votes)
- 1976: Jimmy Carter (Democratic, 12 electoral votes)
- 1980: Ronald Reagan (Republican, 12 electoral votes)
- 1984: Ronald Reagan (Republican, 11 electoral votes)
- 1988: George H. W. Bush (Republican, 11 electoral votes)
- 1992: William J. Clinton (Democratic, 11 electoral votes)
- 1996: William J. Clinton (Democratic, 11 electoral votes)
- 2000: George W. Bush (Republican, 11 electoral votes)
- 2004: George W. Bush (Republican, 11 electoral votes)
- 2008: John S. McCain (Republican, 11 electoral votes)
- 2012: W. Mitt Romney (Republican, 10 electoral votes)
- 2016: Donald J. Trump (Republican, 10 electoral votes)

Montana
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Montana

- Number of times Democratic Party candidate won: 7 (28% of all elections)
- Number of times Republican Party candidate won: 18 (72% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Like other Western states, Montana has been solidly Republican since 1952, but with two departures into the Democratic lane. Those were for Lyndon Johnson in 1964 and for Bill Clinton in 1992. But before 1952, Montana voted Democratic in five presidential races in a row.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 4 electoral votes)
- 1924: Calvin Coolidge (Republican, 4 electoral votes)
- 1928: Herbert C. Hoover (Republican, 4 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1940: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1944: Franklin D. Roosevelt (Democratic, 4 electoral votes)
- 1948: Harry S. Truman (Democratic, 4 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 4 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 4 electoral votes)
- 1960: Richard M. Nixon (Republican, 4 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 4 electoral votes)
- 1968: Richard M. Nixon (Republican, 4 electoral votes)
- 1972: Richard M. Nixon (Republican, 4 electoral votes)
- 1976: Gerald R. Ford (Republican, 4 electoral votes)
- 1980: Ronald Reagan (Republican, 4 electoral votes)
- 1984: Ronald Reagan (Republican, 4 electoral votes)
- 1988: George H. W. Bush (Republican, 4 electoral votes)
- 1992: William J. Clinton (Democratic, 3 electoral votes)
- 1996: Robert Dole (Republican, 3 electoral votes)
- 2000: George W. Bush (Republican, 3 electoral votes)
- 2004: George W. Bush (Republican, 3 electoral votes)
- 2008: John S. McCain (Republican, 3 electoral votes)
- 2012: W. Mitt Romney (Republican, 3 electoral votes)
- 2016: Donald J. Trump (Republican, 3 electoral votes)

Nebraska
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Nebraska

- Number of times Democratic Party candidate won: 3 (12% of all elections)
- Number of times Republican Party candidate won: 22 (88% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Other than joining the nationwide landslide to elect Democrat Lyndon Johnson in 1964, Nebraska has voted Republican in every presidential election since 1940, when it backed Wendell Willkie over Franklin Delano Roosevelt. In 2016, Donald Trump won over Hillary Clinton by 25 points.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 8 electoral votes)
- 1924: Calvin Coolidge (Republican, 8 electoral votes)
- 1928: Herbert C. Hoover (Republican, 8 electoral votes)
- 1932: Franklin D. Roosevelt (Democratic, 7 electoral votes)
- 1936: Franklin D. Roosevelt (Democratic, 7 electoral votes)
- 1940: Wendell L. Willkie (Republican, 7 electoral votes)
- 1944: Thomas E. Dewey (Republican, 6 electoral votes)
- 1948: Thomas E. Dewey (Republican, 6 electoral votes)
- 1952: Dwight D. Eisenhower (Republican, 6 electoral votes)
- 1956: Dwight D. Eisenhower (Republican, 6 electoral votes)
- 1960: Richard M. Nixon (Republican, 6 electoral votes)
- 1964: Lyndon B. Johnson (Democratic, 5 electoral votes)
- 1968: Richard M. Nixon (Republican, 5 electoral votes)
- 1972: Richard M. Nixon (Republican, 5 electoral votes)
- 1976: Gerald R. Ford (Republican, 5 electoral votes)
- 1980: Ronald Reagan (Republican, 5 electoral votes)
- 1984: Ronald Reagan (Republican, 5 electoral votes)
- 1988: George H. W. Bush (Republican, 5 electoral votes)
- 1992: George H. W. Bush (Republican, 5 electoral votes)
- 1996: Robert Dole (Republican, 5 electoral votes)
- 2000: George W. Bush (Republican, 5 electoral votes)
- 2004: George W. Bush (Republican, 5 electoral votes)
- 2008: John S. McCain (Republican, 4 electoral votes)
- 2012: W. Mitt Romney (Republican, 5 electoral votes)
- 2016: Donald J. Trump (Republican, 5 electoral votes)

Nevada
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Nevada

- Number of times Democratic Party candidate won: 12 (48% of all elections)
- Number of times Republican Party candidate won: 13 (52% of all elections)
- Number of times third-party candidate won: 0 (0% of all elections)

Nevada was largely Republican from the 1960s until backing Democrat Bill Clinton for two terms. It has voted Democratic in the last three presidential races, a pattern linked to its huge population growth in recent decades—increasing the number of immigrants and people of color—as well as the fact that one in every six Nevada workers belongs to a labor union.

1920-2016 election statistics:
- 1920: Warren G. Harding (Republican, 3 electoral