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United States · Election results history · 1920 president · Idaho
Election 1920 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1920 presidential election in Idaho

Warren G. Harding (Republican) beat James M. Cox (Democrat) in Idaho in 1920, 65.6% to 34.3%, a margin of 31.3 points and 42,396 votes.

Idaho voted 5.1 points more Republican than the country as a whole, where the margin was R+26.2.

Idaho changed party: in 1916 it went Democratic, for Woodrow Wilson.

Republicans led in 44 of the 44 counties as they stood then. The largest, Ada, cast 12,619 votes and went to the Republican by 33.6 points. The closest was Camas, where 124 votes separated the two parties.

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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

CandidatePartyVotesShare
Warren G. Harding won Republican 88,975 65.6%
James M. Cox Democratic 46,579 34.3%
All other candidates 70 0.1%
Total135,624

Every county

CountyDemocratRepublicanOthersTotalMargin
Ada 4,173 33.1% 8,419 66.7% 27 12,619 R+33.6
Canyon 3,375 37.5% 5,633 62.5% 9,008 R+25.1
Twin Falls 2,882 32.8% 5,894 67.2% 8,776 R+34.3
Bannock 2,986 38.0% 4,871 62.0% 7,857 R+24.0
Latah 1,568 28.9% 3,855 71.1% 5,423 R+42.2
Kootenai 1,818 34.1% 3,518 65.9% 5,336 R+31.9
Shoshone 1,733 35.8% 3,112 64.2% 4,845 R+28.5
Bonneville 1,419 30.3% 3,260 69.7% 4,679 R+39.3
Bingham 1,184 26.4% 3,293 73.6% 4,477 R+47.1
Nez Perce 1,548 35.9% 2,761 64.0% 2 4,311 R+28.1
Cassia 1,178 30.5% 2,690 69.5% 3,868 R+39.1
Bonner 1,468 39.8% 2,217 60.2% 3,685 R+20.3
Idaho 1,128 32.1% 2,386 67.9% 3,514 R+35.8
Washington 1,264 40.4% 1,864 59.6% 3,128 R+19.2
Fremont 1,061 34.7% 1,994 65.3% 3,055 R+30.5
Bear Lake 1,138 38.3% 1,831 61.7% 2,969 R+23.3
Madison 979 34.2% 1,883 65.8% 2,862 R+31.6
Minidoka 1,107 40.3% 1,622 59.1% 16 2,745 R+18.8
Gooding 789 29.6% 1,878 70.4% 2,667 R+40.8
Jefferson 741 29.2% 1,794 70.8% 2,535 R+41.5
Jerome 784 31.1% 1,738 68.9% 2,522 R+37.8
Franklin 899 35.8% 1,612 64.2% 2,511 R+28.4
Payette 785 31.6% 1,690 68.0% 9 2,484 R+36.4
Oneida 752 33.4% 1,500 66.6% 2,252 R+33.2
Gem 832 37.2% 1,404 62.7% 2 2,238 R+25.6
Benewah 794 37.0% 1,351 63.0% 2,145 R+26.0
Lemhi 699 35.1% 1,289 64.7% 4 1,992 R+29.6
Elmore 867 44.9% 1,065 55.1% 1,932 R+10.2
Lewis 712 41.1% 1,013 58.5% 7 1,732 R+17.4
Blaine 561 32.4% 1,169 67.6% 1,730 R+35.1
Power 561 32.7% 1,155 67.3% 1,716 R+34.6
Owyhee 515 34.7% 971 65.3% 1,486 R+30.7
Clearwater 482 33.7% 947 66.2% 1 1,430 R+32.5
Boundary 525 37.3% 883 62.7% 1,408 R+25.4
Teton 409 31.1% 906 68.9% 1,315 R+37.8
Custer 394 32.8% 808 67.2% 1,202 R+34.4
Lincoln 427 36.1% 755 63.9% 1,182 R+27.7
Adams 390 36.4% 682 63.6% 1,072 R+27.2
Butte 316 32.8% 646 67.2% 962 R+34.3
Boise 373 38.8% 588 61.2% 961 R+22.4
Valley 322 39.5% 493 60.5% 815 R+21.0
Clark 184 23.6% 594 76.3% 1 779 R+52.6
Caribou 181 25.1% 541 74.9% 722 R+49.9
Camas 276 40.8% 400 59.1% 1 677 R+18.3

Counties as they stood in 1920; 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

YearWinnerMargin
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)