Skip to main content

State profile

Colorado elections & voting

Electoral votes, voting rules, and presidential results for Colorado.

How Colorado votes

In 2024, Colorado voted Democratic. It has backed the Democratic Party in its last 5 consecutive elections.

10
electoral votes
Voter IDNo-excuse absenteeEarly votingSame-day registrationAutomatic registration

Voting rules

ID Requested
Active

ID requested but alternatives available

Voter ID
Effective: 2013

Voters can use utility bill, bank statement, or government document

All-Mail Elections
Active

All registered voters receive mail ballot

Mail-In Voting
Effective: 2013

HB 1303 established Colorado as all-mail voting state

22 Days Early Voting
Active

Vote centers open 22 days before election

Early Voting
Effective: 2013
Same-Day Registration
Active

Register and vote on Election Day

Same-Day Registration
Effective: 2013

Election history

How Colorado has voted in presidential elections.

  • 2024DemocraticKamala Harris10 EV
  • 2020DemocraticJoe Biden9 EV
  • 2016DemocraticHillary Clinton9 EV
  • 2012DemocraticBarack Obama9 EV
  • 2008DemocraticBarack Obama9 EV
  • 2004RepublicanGeorge W. Bush9 EV
  • 2000RepublicanGeorge W. Bush8 EV
  • 1996RepublicanBob Dole8 EV
  • 1992DemocraticBill Clinton8 EV
  • 1988RepublicanGeorge H.W. Bush8 EV
  • 1984RepublicanRonald Reagan8 EV
  • 1980RepublicanRonald Reagan7 EV
  • 1976RepublicanGerald Ford7 EV
  • 1972RepublicanRichard Nixon7 EV
  • 1968RepublicanRichard Nixon6 EV
  • 1964DemocraticLyndon B. Johnson6 EV
  • 1960RepublicanRichard Nixon6 EV
  • 1956RepublicanDwight D. Eisenhower6 EV
  • 1952RepublicanDwight D. Eisenhower6 EV
  • 1948DemocraticHarry S. Truman6 EV
  • 1944RepublicanThomas E. Dewey6 EV
  • 1940RepublicanWendell Willkie6 EV
  • 1936DemocraticFranklin D. Roosevelt6 EV
  • 1932DemocraticFranklin D. Roosevelt6 EV
  • 1928RepublicanHerbert Hoover6 EV
  • 1924RepublicanCalvin Coolidge6 EV
  • 1920RepublicanWarren G. Harding6 EV
  • 1916DemocraticWoodrow Wilson6 EV
  • 1912DemocraticWoodrow Wilson6 EV
  • 1908DemocraticWilliam Jennings Bryan5 EV
  • 1904RepublicanTheodore Roosevelt5 EV
  • 1900DemocraticWilliam Jennings Bryan4 EV
  • 1896DemocraticWilliam Jennings Bryan4 EV
  • 1892PopulistJames B. Weaver4 EV
  • 1888RepublicanBenjamin Harrison3 EV
  • 1884RepublicanJames G. Blaine3 EV
  • 1880RepublicanJames A. Garfield3 EV
  • 1876RepublicanRutherford B. Hayes3 EV

Timeline

2020s

2024
Election
Democratic
major

2024 Presidential Election

Kamala Harris won CO with 10 electoral votes

2020
Election
Democratic
major

2020 Presidential Election

Joe Biden won CO with 9 electoral votes

2010s

2016
Election
Democratic
major

2016 Presidential Election

Hillary Clinton won CO with 9 electoral votes

2013
Rule Change
Voter ID
major

ID Requested

ID requested but alternatives available

2013
Rule Change
Mail Voting
major

All-Mail Elections

All registered voters receive mail ballot

2013
Rule Change
Early Voting
moderate

22 Days Early Voting

Vote centers open 22 days before election

2013
Rule Change
Same-Day Registration
moderate

Same-Day Registration

Register and vote on Election Day

2012
Election
Democratic
major

2012 Presidential Election

Barack Obama won CO with 9 electoral votes

2000s

2008
Election
Democratic
major

2008 Presidential Election

Barack Obama won CO with 9 electoral votes

2004
Election
Republican
major

2004 Presidential Election

George W. Bush won CO with 9 electoral votes

2000
Election
Republican
major

2000 Presidential Election

George W. Bush won CO with 8 electoral votes

1990s

1996
Election
Republican
major

1996 Presidential Election

Bob Dole won CO with 8 electoral votes

1992
Election
Democratic
major

1992 Presidential Election

Bill Clinton won CO with 8 electoral votes

1980s

1988
Election
Republican
major

1988 Presidential Election

George H.W. Bush won CO with 8 electoral votes

1984
Election
Republican
major

1984 Presidential Election

Ronald Reagan won CO with 8 electoral votes

1980
Election
Republican
major

1980 Presidential Election

Ronald Reagan won CO with 7 electoral votes

1970s

1976
Election
Republican
major

1976 Presidential Election

Gerald Ford won CO with 7 electoral votes

1972
Election
Republican
major

1972 Presidential Election

Richard Nixon won CO with 7 electoral votes

1960s

1968
Election
Republican
major

1968 Presidential Election

Richard Nixon won CO with 6 electoral votes

1964
Election
Democratic
major

1964 Presidential Election

Lyndon B. Johnson won CO with 6 electoral votes

1960
Election
Republican
major

1960 Presidential Election

Richard Nixon won CO with 6 electoral votes

1950s

1956
Election
Republican
major

1956 Presidential Election

Dwight D. Eisenhower won CO with 6 electoral votes

1952
Election
Republican
major

1952 Presidential Election

Dwight D. Eisenhower won CO with 6 electoral votes

1940s

1948
Election
Democratic
major

1948 Presidential Election

Harry S. Truman won CO with 6 electoral votes

1944
Election
Republican
major

1944 Presidential Election

Thomas E. Dewey won CO with 6 electoral votes

1940
Election
Republican
major

1940 Presidential Election

Wendell Willkie won CO with 6 electoral votes

1930s

1936
Election
Democratic
major

1936 Presidential Election

Franklin D. Roosevelt won CO with 6 electoral votes

1932
Election
Democratic
major

1932 Presidential Election

Franklin D. Roosevelt won CO with 6 electoral votes

1920s

1928
Election
Republican
major

1928 Presidential Election

Herbert Hoover won CO with 6 electoral votes

1924
Election
Republican
major

1924 Presidential Election

Calvin Coolidge won CO with 6 electoral votes

1920
Election
Republican
major

1920 Presidential Election

Warren G. Harding won CO with 6 electoral votes

1910s

1916
Election
Democratic
major

1916 Presidential Election

Woodrow Wilson won CO with 6 electoral votes

1912
Election
Democratic
major

1912 Presidential Election

Woodrow Wilson won CO with 6 electoral votes

1900s

1908
Election
Democratic
major

1908 Presidential Election

William Jennings Bryan won CO with 5 electoral votes

1904
Election
Republican
major

1904 Presidential Election

Theodore Roosevelt won CO with 5 electoral votes

1900
Election
Democratic
major

1900 Presidential Election

William Jennings Bryan won CO with 4 electoral votes

1890s

1896
Election
Democratic
major

1896 Presidential Election

William Jennings Bryan won CO with 4 electoral votes

1892
Election
Populist
major

1892 Presidential Election

James B. Weaver won CO with 4 electoral votes

1880s

1888
Election
Republican
major

1888 Presidential Election

Benjamin Harrison won CO with 3 electoral votes

1884
Election
Republican
major

1884 Presidential Election

James G. Blaine won CO with 3 electoral votes

1880
Election
Republican
major

1880 Presidential Election

James A. Garfield won CO with 3 electoral votes

1870s

1876
Election
Republican
major

1876 Presidential Election

Rutherford B. Hayes won CO with 3 electoral votes