Idaho presidential election results and history
Idaho has voted in 34 presidential elections in this record and backed the national winner in 24 of the 34 with a recorded winner (71%).
Current members of Congress from Idaho (4)
- Mike Crapo Senator · Republican
- James E. Risch Senator · Republican
- Russ Fulcher District 1 · Republican
- Michael K. Simpson District 2 · Republican
- Latest (2024)
- Donald J. Trump36.5 pts
- Electoral votes
- 4
- Republican wins
- 23
- Democratic wins
- 10
Counties in 2024
Full 2024 resultsEvery presidential election in Idaho
Download CSV| Year | Carried by | Share | Runner-up | Margin | EV | Votes counted | National winner |
|---|---|---|---|---|---|---|---|
| 2024 | Donald J. Trump | 66.9% | Kamala Harris | 36.5 | 4 | 904,812 | Donald J. Trump ✓ |
| 2020 | Donald J. Trump | 63.8% | Joseph R. Biden | 30.8 | 4 | 868,014 | Joseph R. Biden ✗ |
| 2016 | Donald J. Trump | 59.3% | Hillary Clinton | 31.8 | 4 | 690,255 | Donald J. Trump ✓ |
| 2012 | Mitt Romney | 64.5% | Barack Obama | 31.9 | 4 | 652,274 | Barack Obama ✗ |
| 2008 | John McCain | 61.5% | Barack Obama | 25.4 | 4 | 655,032 | Barack Obama ✗ |
| 2004 | George W. Bush | 68.4% | John Kerry | 38.1 | 4 | 598,447 | George W. Bush ✓ |
| 2000 | George W. Bush | 67.2% | Albert Gore, Jr. | 39.5 | 4 | 501,621 | George W. Bush ✓ |
| 1996 | Robert Dole | 52.2% | William J. Clinton | 18.5 | 4 | 491,719 | William J. Clinton ✗ |
| 1992 | George H. W. Bush | 42.0% | William J. Clinton | 13.6 | 4 | 482,142 | William J. Clinton ✗ |
| 1988 | George H. W. Bush | 62.1% | Michael Dukakis | 26.1 | 4 | 408,968 | George H. W. Bush ✓ |
| 1984 | Ronald Reagan | 72.4% | Walter Mondale | 46.0 | 4 | 411,144 | Ronald Reagan ✓ |
| 1980 | Ronald Reagan | 66.5% | Jimmy Carter | 41.3 | 4 | 437,431 | Ronald Reagan ✓ |
| 1976 | Gerald R. Ford | 59.3% | Jimmy Carter | 22.6 | 4 | 344,071 | Jimmy Carter ✗ |
| 1972 | Richard M. Nixon | 64.2% | George McGovern | 38.2 | 4 | 310,379 | Richard M. Nixon ✓ |
| 1968 | Richard M. Nixon | 56.8% | Hubert Humphrey | 26.1 | 4 | 291,183 | Richard M. Nixon ✓ |
| 1964 | Lyndon B. Johnson | 50.9% | Barry Goldwater | 1.8 | 4 | 292,477 | Lyndon B. Johnson ✓ |
| 1960 | Richard M. Nixon | 53.8% | John F. Kennedy | 7.6 | 4 | 300,450 | John F. Kennedy ✗ |
| 1956 | Dwight D. Eisenhower | 61.2% | Adlai Stevenson | 22.4 | 4 | 272,989 | Dwight D. Eisenhower ✓ |
| 1952 | Dwight D. Eisenhower | 65.4% | Adlai Stevenson | 31.0 | 4 | 276,254 | Dwight D. Eisenhower ✓ |
| 1948 | Harry S Truman | 50.0% | Thomas E. Dewey | 2.7 | 4 | 214,816 | Harry S Truman ✓ |
| 1944 | Franklin D. Roosevelt | 51.6% | Thomas E. Dewey | 3.5 | 4 | 208,321 | Franklin D. Roosevelt ✓ |
| 1940 | Franklin D. Roosevelt | 54.4% | Wendell L. Willkie | 9.1 | 4 | 235,168 | Franklin D. Roosevelt ✓ |
| 1936 | Franklin D. Roosevelt | 63.0% | Alfred M. Landon | 29.8 | 4 | 199,617 | Franklin D. Roosevelt ✓ |
| 1932 | Franklin D. Roosevelt | 58.7% | Herbert Hoover | 20.5 | 4 | 186,520 | Franklin D. Roosevelt ✓ |
| 1928 | Herbert Hoover | 64.7% | Alfred E. Smith | 30.3 | 4 | 154,230 | Herbert Hoover ✓ |
| 1924 | Calvin Coolidge | 47.3% | Robert LaFollette | 10.7 | 4 | 147,690 | Calvin Coolidge ✓ |
| 1920 | Warren G. Harding | 66.0% | James M. Cox | 32.1 | 4 | 138,359 | Warren G. Harding ✓ |
| 1916 | Woodrow Wilson | 52.0% | Charles E. Hughes | 10.9 | 4 | 134,615 | Woodrow Wilson ✓ |
| 1912 | Woodrow Wilson | 32.1% | William Howard Taft | 1.1 | 4 | 105,754 | Woodrow Wilson ✓ |
| 1908 | William Howard Taft | 54.1% | William Jennings Bryan | 16.9 | 3 | 97,293 | William Howard Taft ✓ |
| 1904 | Theodore Roosevelt | 65.8% | Alton B. Parker | 40.4 | 3 | 72,577 | Theodore Roosevelt ✓ |
| 1900 | William Jennings Bryan | 49.8% | William McKinley | 1.9 | 3 | 56,760 | William McKinley ✗ |
| 1896 | William Jennings Bryan | 78.1% | William McKinley | 56.7 | 3 | 29,631 | William McKinley ✗ |
| 1892 | James B. Weaver | 54.2% | Benjamin Harrison | 9.9 | 3 | 19,407 | Grover Cleveland ✗ |
Counties
- Ada County
- Adams County
- Bannock County
- Bear Lake County
- Benewah County
- Bingham County
- Blaine County
- Boise County
- Bonner County
- Bonneville County
- Boundary County
- Butte County
- Camas County
- Canyon County
- Caribou County
- Cassia County
- Clark County
- Clearwater County
- Custer County
- Elmore County
- Franklin County
- Fremont County
- Gem County
- Gooding County
- Idaho County
- Jefferson County
- Jerome County
- Kootenai County
- Latah County
- Lemhi County
- Lewis County
- Lincoln County
- Madison County
- Minidoka County
- Nez Perce County
- Oneida County
- Owyhee County
- Payette County
- Power County
- Shoshone County
- Teton County
- Twin Falls County
- Valley County
- Washington County
Questions and answers
How has Idaho voted in recent presidential elections?
2024: Donald J. Trump by 36.5 points; 2020: Donald J. Trump by 30.8 points; 2016: Donald J. Trump by 31.8 points; 2012: Mitt Romney by 31.9 points; 2008: John McCain by 25.4 points.
When did Idaho last vote Democratic for president?
In 1964, for Lyndon B. Johnson.
When did Idaho last vote Republican for president?
In 2024, for Donald J. Trump.
How often does Idaho vote for the winning presidential candidate?
Idaho backed the national winner in 24 of 34 elections in this record (71%).
Is Idaho a swing state?
No. It has been safely one-sided: in 2012, 2016, 2020 and 2024 its margins were Republican by 31.9 points, Republican by 31.8 points, Republican by 30.8 points and Republican by 36.5 points.
Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data