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State profile

Iowa elections & voting

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

How Iowa votes

In 2024, Iowa voted Republican. It has backed the Republican Party in its last 3 consecutive elections.

6
electoral votes
Voter IDNo-excuse absenteeEarly votingSame-day registrationAutomatic registration

Voting rules

Photo ID Required
Active

Photo ID required to vote

Voter ID
Effective: 2019

SF 413 phased in strict photo ID requirement

No-Excuse Absentee
Modified

Any voter can request absentee ballot

Mail-In Voting
Effective: 2008

2021 SF 413 shortened deadline and added restrictions

20 Days Early Voting
Active

Early voting begins 20 days before election

Early Voting
Effective: 2008
Same-Day Registration
Active

Register and vote on Election Day

Same-Day Registration
Effective: 2008

Election history

How Iowa has voted in presidential elections.

  • 2024RepublicanDonald Trump6 EV
  • 2020RepublicanDonald Trump6 EV
  • 2016RepublicanDonald Trump6 EV
  • 2012DemocraticBarack Obama6 EV
  • 2008DemocraticBarack Obama7 EV
  • 2004RepublicanGeorge W. Bush7 EV
  • 2000DemocraticAl Gore7 EV
  • 1996DemocraticBill Clinton7 EV
  • 1992DemocraticBill Clinton7 EV
  • 1988DemocraticMichael Dukakis8 EV
  • 1984RepublicanRonald Reagan8 EV
  • 1980RepublicanRonald Reagan8 EV
  • 1976RepublicanGerald Ford8 EV
  • 1972RepublicanRichard Nixon8 EV
  • 1968RepublicanRichard Nixon9 EV
  • 1964DemocraticLyndon B. Johnson9 EV
  • 1960RepublicanRichard Nixon10 EV
  • 1956RepublicanDwight D. Eisenhower10 EV
  • 1952RepublicanDwight D. Eisenhower10 EV
  • 1948DemocraticHarry S. Truman10 EV
  • 1944RepublicanThomas E. Dewey10 EV
  • 1940RepublicanWendell Willkie11 EV
  • 1936DemocraticFranklin D. Roosevelt11 EV
  • 1932DemocraticFranklin D. Roosevelt11 EV
  • 1928RepublicanHerbert Hoover13 EV
  • 1924RepublicanCalvin Coolidge13 EV
  • 1920RepublicanWarren G. Harding13 EV
  • 1916RepublicanCharles Evans Hughes13 EV
  • 1912DemocraticWoodrow Wilson13 EV
  • 1908RepublicanWilliam Howard Taft13 EV
  • 1904RepublicanTheodore Roosevelt13 EV
  • 1900RepublicanWilliam McKinley13 EV
  • 1896RepublicanWilliam McKinley13 EV
  • 1892RepublicanBenjamin Harrison13 EV
  • 1888RepublicanBenjamin Harrison13 EV
  • 1884RepublicanJames G. Blaine13 EV
  • 1880RepublicanJames A. Garfield11 EV
  • 1876RepublicanRutherford B. Hayes11 EV
  • 1872RepublicanUlysses S. Grant11 EV
  • 1868RepublicanUlysses S. Grant8 EV
  • 1864RepublicanAbraham Lincoln8 EV
  • 1860RepublicanAbraham Lincoln4 EV
  • 1856RepublicanJohn C. Frémont4 EV
  • 1852DemocraticFranklin Pierce4 EV
  • 1848DemocraticLewis Cass4 EV

Timeline

2020s

2024
Election
Republican
major

2024 Presidential Election

Donald Trump won IA with 6 electoral votes

2020
Election
Republican
major

2020 Presidential Election

Donald Trump won IA with 6 electoral votes

2010s

2019
Rule Change
Voter ID
major

Photo ID Required

Photo ID required to vote

2016
Election
Republican
major

2016 Presidential Election

Donald Trump won IA with 6 electoral votes

2012
Election
Democratic
major

2012 Presidential Election

Barack Obama won IA with 6 electoral votes

2000s

2008
Rule Change
Mail Voting
major

No-Excuse Absentee

Any voter can request absentee ballot

2008
Rule Change
Early Voting
moderate

20 Days Early Voting

Early voting begins 20 days before election

2008
Rule Change
Same-Day Registration
moderate

Same-Day Registration

Register and vote on Election Day

2008
Election
Democratic
major

2008 Presidential Election

Barack Obama won IA with 7 electoral votes

2004
Election
Republican
major

2004 Presidential Election

George W. Bush won IA with 7 electoral votes

2000
Election
Democratic
major

2000 Presidential Election

Al Gore won IA with 7 electoral votes

1990s

1996
Election
Democratic
major

1996 Presidential Election

Bill Clinton won IA with 7 electoral votes

1992
Election
Democratic
major

1992 Presidential Election

Bill Clinton won IA with 7 electoral votes

1980s

1988
Election
Democratic
major

1988 Presidential Election

Michael Dukakis won IA with 8 electoral votes

1984
Election
Republican
major

1984 Presidential Election

Ronald Reagan won IA with 8 electoral votes

1980
Election
Republican
major

1980 Presidential Election

Ronald Reagan won IA with 8 electoral votes

1970s

1976
Election
Republican
major

1976 Presidential Election

Gerald Ford won IA with 8 electoral votes

1972
Election
Republican
major

1972 Presidential Election

Richard Nixon won IA with 8 electoral votes

1960s

1968
Election
Republican
major

1968 Presidential Election

Richard Nixon won IA with 9 electoral votes

1964
Election
Democratic
major

1964 Presidential Election

Lyndon B. Johnson won IA with 9 electoral votes

1960
Election
Republican
major

1960 Presidential Election

Richard Nixon won IA with 10 electoral votes

1950s

1956
Election
Republican
major

1956 Presidential Election

Dwight D. Eisenhower won IA with 10 electoral votes

1952
Election
Republican
major

1952 Presidential Election

Dwight D. Eisenhower won IA with 10 electoral votes

1940s

1948
Election
Democratic
major

1948 Presidential Election

Harry S. Truman won IA with 10 electoral votes

1944
Election
Republican
major

1944 Presidential Election

Thomas E. Dewey won IA with 10 electoral votes

1940
Election
Republican
major

1940 Presidential Election

Wendell Willkie won IA with 11 electoral votes

1930s

1936
Election
Democratic
major

1936 Presidential Election

Franklin D. Roosevelt won IA with 11 electoral votes

1932
Election
Democratic
major

1932 Presidential Election

Franklin D. Roosevelt won IA with 11 electoral votes

1920s

1928
Election
Republican
major

1928 Presidential Election

Herbert Hoover won IA with 13 electoral votes

1924
Election
Republican
major

1924 Presidential Election

Calvin Coolidge won IA with 13 electoral votes

1920
Election
Republican
major

1920 Presidential Election

Warren G. Harding won IA with 13 electoral votes

1910s

1916
Election
Republican
major

1916 Presidential Election

Charles Evans Hughes won IA with 13 electoral votes

1912
Election
Democratic
major

1912 Presidential Election

Woodrow Wilson won IA with 13 electoral votes

1900s

1908
Election
Republican
major

1908 Presidential Election

William Howard Taft won IA with 13 electoral votes

1904
Election
Republican
major

1904 Presidential Election

Theodore Roosevelt won IA with 13 electoral votes

1900
Election
Republican
major

1900 Presidential Election

William McKinley won IA with 13 electoral votes

1890s

1896
Election
Republican
major

1896 Presidential Election

William McKinley won IA with 13 electoral votes

1892
Election
Republican
major

1892 Presidential Election

Benjamin Harrison won IA with 13 electoral votes

1880s

1888
Election
Republican
major

1888 Presidential Election

Benjamin Harrison won IA with 13 electoral votes

1884
Election
Republican
major

1884 Presidential Election

James G. Blaine won IA with 13 electoral votes

1880
Election
Republican
major

1880 Presidential Election

James A. Garfield won IA with 11 electoral votes

1870s

1876
Election
Republican
major

1876 Presidential Election

Rutherford B. Hayes won IA with 11 electoral votes

1872
Election
Republican
major

1872 Presidential Election

Ulysses S. Grant won IA with 11 electoral votes

1860s

1868
Election
Republican
major

1868 Presidential Election

Ulysses S. Grant won IA with 8 electoral votes

1864
Election
Republican
major

1864 Presidential Election

Abraham Lincoln won IA with 8 electoral votes

1860
Election
Republican
major

1860 Presidential Election

Abraham Lincoln won IA with 4 electoral votes

1850s

1856
Election
Republican
major

1856 Presidential Election

John C. Frémont won IA with 4 electoral votes

1852
Election
Democratic
major

1852 Presidential Election

Franklin Pierce won IA with 4 electoral votes

1840s

1848
Election
Democratic
major

1848 Presidential Election

Lewis Cass won IA with 4 electoral votes