Election 1904 Results
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1904 presidential election in Idaho
Theodore Roosevelt (Republican) beat Alton B. Parker (Democrat) in Idaho in 1904, 65.8% to 25.5%, a margin of 40.4 points and 29,303 votes.
Idaho voted 21.5 points more Republican than the country as a whole, where the margin was R+18.9.
Idaho changed party: in 1900 it went Democratic, for William Jennings Bryan.
Republicans led in 21 of the 21 counties as they stood then. The largest, Ada, cast 6,525 votes and went to the Republican by 47.0 points. The closest was Custer, where 67 votes separated the two parties.
Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.
Result
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Theodore Roosevelt won | Republican | 47,783 | 65.8% |
| Alton B. Parker | Democratic | 18,480 | 25.5% |
| Eugene V. Debs | Socialist | 4,949 | 6.8% |
| All other candidates | 1,366 | 1.9% | |
| Total | 72,578 |
Every county
| County | Democrat | Republican | Others | Total | Margin |
|---|---|---|---|---|---|
| Ada | 1,466 22.5% | 4,536 69.5% | 523 | 6,525 | R+47.0 |
| Nez Perce | 1,696 27.0% | 3,956 63.0% | 629 | 6,281 | R+36.0 |
| Kootenai | 1,178 19.1% | 4,165 67.5% | 823 | 6,166 | R+48.4 |
| Shoshone | 1,116 20.0% | 3,695 66.1% | 777 | 5,588 | R+46.2 |
| Fremont | 1,278 23.3% | 3,869 70.6% | 336 | 5,483 | R+47.3 |
| Canyon | 1,025 21.5% | 3,172 66.6% | 569 | 4,766 | R+45.0 |
| Latah | 940 20.2% | 3,267 70.1% | 451 | 4,658 | R+50.0 |
| Bingham | 890 19.9% | 3,186 71.2% | 400 | 4,476 | R+51.3 |
| Idaho | 1,381 30.9% | 2,731 61.1% | 356 | 4,468 | R+30.2 |
| Bannock | 1,063 25.8% | 2,826 68.6% | 232 | 4,121 | R+42.8 |
| Oneida | 906 27.3% | 2,339 70.5% | 75 | 3,320 | R+43.2 |
| Washington | 931 29.8% | 1,894 60.7% | 295 | 3,120 | R+30.9 |
| Bear Lake | 769 33.1% | 1,538 66.3% | 14 | 2,321 | R+33.1 |
| Blaine | 775 35.7% | 1,225 56.4% | 173 | 2,173 | R+20.7 |
| Boise | 639 34.2% | 1,053 56.3% | 178 | 1,870 | R+22.1 |
| Cassia | 346 22.7% | 1,105 72.5% | 73 | 1,524 | R+49.8 |
| Lemhi | 564 39.8% | 786 55.4% | 68 | 1,418 | R+15.7 |
| Owyhee | 393 32.6% | 663 55.0% | 150 | 1,206 | R+22.4 |
| Elmore | 433 38.8% | 593 53.1% | 91 | 1,117 | R+14.3 |
| Lincoln | 262 26.0% | 688 68.2% | 59 | 1,009 | R+42.2 |
| Custer | 429 44.4% | 496 51.3% | 42 | 967 | R+6.9 |
Counties as they stood in 1904; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.
Idaho in every presidential election we hold
| Year | Winner | Margin |
|---|---|---|
| 2024 | Donald Trump (R) | R+36.5 |
| 2020 | Donald Trump (R) | R+30.8 |
| 2016 | Donald Trump (R) | R+31.8 |
| 2012 | Mitt Romney (R) | R+31.7 |
| 2008 | John McCain (R) | R+25.4 |
| 2004 | George W. Bush (R) | R+38.1 |
| 2000 | George W. Bush (R) | R+39.5 |
| 1996 | Bob Dole (R) | R+18.5 |
| 1992 | George H. W. Bush (R) | R+13.6 |
| 1988 | George H. W. Bush (R) | R+26.1 |
| 1984 | Ronald Reagan (R) | R+46.0 |
| 1980 | Ronald Reagan (R) | R+41.3 |
| 1976 | Gerald Ford (R) | R+22.8 |
| 1972 | Richard Nixon (R) | R+38.2 |
| 1968 | Richard Nixon (R) | R+26.1 |
| 1964 | Lyndon B. Johnson (D) | D+1.8 |
| 1960 | Richard Nixon (R) | R+7.6 |
| 1956 | Dwight D. Eisenhower (R) | R+22.4 |
| 1952 | Dwight D. Eisenhower (R) | R+31.0 |
| 1948 | Harry S. Truman (D) | D+2.7 |
| 1944 | Franklin D. Roosevelt (D) | D+3.5 |
| 1940 | Franklin D. Roosevelt (D) | D+9.1 |
| 1936 | Franklin D. Roosevelt (D) | D+29.8 |
| 1932 | Franklin D. Roosevelt (D) | D+20.4 |
| 1928 | Herbert Hoover (R) | R+29.3 |
| 1924 | Calvin Coolidge (R) | R+30.8 |
| 1920 | Warren G. Harding (R) | R+31.3 |
| 1916 | Woodrow Wilson (D) | D+10.9 |
| 1912 | Woodrow Wilson (D) | D+1.1 |
| 1908 | William Howard Taft (R) | R+16.9 |
| 1904 | Theodore Roosevelt (R) | R+40.4 |
| 1900 | William Jennings Bryan (D) | D+3.9 |
| 1896 | William Jennings Bryan (D) | D+56.8 |
| 1892 | James B. Weaver (other) |