Idaho — 1920 presidential election
Recent presidential results
state1920 presidential electionIdaho · PresidentHardingR+31.3
How it voted
Share of the 1920 vote
| Warren G. Harding ✓Republican | 65.6% | 88,975 |
|---|---|---|
| James M. CoxDemocratic | 34.3% | 46,579 |
| OtherAll other candidates | 0.1% | 70 |
1920presidential margin
D+60R+60
44 counties, each filled by 1920 D-vs-R margin. Hover any county for its result.
Idaho cast 4 electoral votes this cycle.
County-level results (44 counties) — table
| County | Winner | Margin |
|---|---|---|
| Ada County, ID | Republican | R+33.6 |
| Adams County, ID | Republican | R+27.2 |
| Bannock County, ID | Republican | R+24.0 |
| Bear Lake County, ID | Republican | R+23.3 |
| Benewah County, ID | Republican | R+26.0 |
| Bingham County, ID | Republican | R+47.1 |
| Blaine County, ID | Republican | R+35.1 |
| Boise County, ID | Republican | R+22.4 |
| Bonner County, ID | Republican | R+20.3 |
| Bonneville County, ID | Republican | R+39.3 |
| Boundary County, ID | Republican | R+25.4 |
| Butte County, ID | Republican | R+34.3 |
| Camas County, ID | Republican | R+18.3 |
| Canyon County, ID | Republican | R+25.1 |
| Caribou County, ID | Republican | R+49.9 |
| Cassia County, ID | Republican | R+39.1 |
| Clark County, ID | Republican | R+52.6 |
| Clearwater County, ID | Republican | R+32.5 |
| Custer County, ID | Republican | R+34.4 |
| Elmore County, ID | Republican | R+10.2 |
| Franklin County, ID | Republican | R+28.4 |
| Fremont County, ID | Republican | R+30.5 |
| Gem County, ID | Republican | R+25.6 |
| Gooding County, ID | Republican | R+40.8 |
| Idaho County, ID | Republican | R+35.8 |
| Jefferson County, ID | Republican | R+41.5 |
| Jerome County, ID | Republican | R+37.8 |
| Kootenai County, ID | Republican | R+31.9 |
| Latah County, ID | Republican | R+42.2 |
| Lemhi County, ID | Republican | R+29.6 |
| Lewis County, ID | Republican | R+17.4 |
| Lincoln County, ID | Republican | R+27.7 |
| Madison County, ID | Republican | R+31.6 |
| Minidoka County, ID | Republican | R+18.8 |
| Nez Perce County, ID | Republican | R+28.1 |
| Oneida County, ID | Republican | R+33.2 |
| Owyhee County, ID | Republican | R+30.7 |
| Payette County, ID | Republican | R+36.4 |
| Power County, ID | Republican | R+34.6 |
| Shoshone County, ID | Republican | R+28.5 |
| Teton County, ID | Republican | R+37.8 |
| Twin Falls County, ID | Republican | R+34.3 |
| Valley County, ID | Republican | R+21.0 |
| Washington County, ID | Republican | R+19.2 |
Idaho results by county
44 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Ada County | Warren G. Harding+4,246 | 8,41966.7% | 4,17333.1% | 270.2% | 12,619 |
| Adams County | Warren G. Harding+292 | 68263.6% | 39036.4% | 00.0% | 1,072 |
| Bannock County | Warren G. Harding+1,885 | 4,87162.0% | 2,98638.0% | 00.0% | 7,857 |
| Bear Lake County | Warren G. Harding+693 | 1,83161.7% | 1,13838.3% | 00.0% | 2,969 |
| Benewah County | Warren G. Harding+557 | 1,35163.0% | 79437.0% | 00.0% | 2,145 |
| Bingham County | Warren G. Harding+2,109 | 3,29373.6% | 1,18426.4% | 00.0% | 4,477 |
| Blaine County | Warren G. Harding+608 | 1,16967.6% | 56132.4% | 00.0% | 1,730 |
| Boise County | Warren G. Harding+215 | 58861.2% | 37338.8% | 00.0% | 961 |
| Bonner County | Warren G. Harding+749 | 2,21760.2% | 1,46839.8% | 00.0% | 3,685 |
| Bonneville County | Warren G. Harding+1,841 | 3,26069.7% | 1,41930.3% | 00.0% | 4,679 |
| Boundary County | Warren G. Harding+358 | 88362.7% | 52537.3% | 00.0% | 1,408 |
| Butte County | Warren G. Harding+330 | 64667.2% | 31632.8% | 00.0% | 962 |
| Camas County | Warren G. Harding+124 | 40059.1% | 27640.8% | 10.1% | 677 |
| Canyon County | Warren G. Harding+2,258 | 5,63362.5% | 3,37537.5% | 00.0% | 9,008 |
| Caribou County | Warren G. Harding+360 | 54174.9% | 18125.1% | 00.0% | 722 |
| Cassia County | Warren G. Harding+1,512 | 2,69069.5% | 1,17830.5% | 00.0% | 3,868 |
| Clark County | Warren G. Harding+410 | 59476.3% | 18423.6% | 10.1% | 779 |
| Clearwater County | Warren G. Harding+465 | 94766.2% | 48233.7% | 10.1% | 1,430 |
| Custer County | Warren G. Harding+414 | 80867.2% | 39432.8% | 00.0% | 1,202 |
| Elmore County | Warren G. Harding+198 | 1,06555.1% | 86744.9% | 00.0% | 1,932 |
| Franklin County | Warren G. Harding+713 | 1,61264.2% | 89935.8% | 00.0% | 2,511 |
| Fremont County | Warren G. Harding+933 | 1,99465.3% | 1,06134.7% | 00.0% | 3,055 |
| Gem County | Warren G. Harding+572 | 1,40462.7% | 83237.2% | 20.1% | 2,238 |
| Gooding County | Warren G. Harding+1,089 | 1,87870.4% | 78929.6% | 00.0% | 2,667 |
| Idaho County | Warren G. Harding+1,258 | 2,38667.9% | 1,12832.1% | 00.0% | 3,514 |
| Jefferson County | Warren G. Harding+1,053 | 1,79470.8% | 74129.2% | 00.0% | 2,535 |
| Jerome County | Warren G. Harding+954 | 1,73868.9% | 78431.1% | 00.0% | 2,522 |
| Kootenai County | Warren G. Harding+1,700 | 3,51865.9% | 1,81834.1% | 00.0% | 5,336 |
| Latah County | Warren G. Harding+2,287 | 3,85571.1% | 1,56828.9% | 00.0% | 5,423 |
| Lemhi County | Warren G. Harding+590 | 1,28964.7% | 69935.1% | 40.2% | 1,992 |
| Lewis County | Warren G. Harding+301 | 1,01358.5% | 71241.1% | 70.4% | 1,732 |
| Lincoln County | Warren G. Harding+328 | 75563.9% | 42736.1% | 00.0% | 1,182 |
| Madison County | Warren G. Harding+904 | 1,88365.8% | 97934.2% | 00.0% | 2,862 |
| Minidoka County | Warren G. Harding+515 | 1,62259.1% | 1,10740.3% | 160.6% | 2,745 |
| Nez Perce County | Warren G. Harding+1,213 | 2,76164.0% | 1,54835.9% | 20.0% | 4,311 |
| Oneida County | Warren G. Harding+748 | 1,50066.6% | 75233.4% | 00.0% | 2,252 |
| Owyhee County | Warren G. Harding+456 | 97165.3% | 51534.7% | 00.0% | 1,486 |
| Payette County | Warren G. Harding+905 | 1,69068.0% | 78531.6% | 90.4% | 2,484 |
| Power County | Warren G. Harding+594 | 1,15567.3% | 56132.7% | 00.0% | 1,716 |
| Shoshone County | Warren G. Harding+1,379 | 3,11264.2% | 1,73335.8% | 00.0% | 4,845 |
| Teton County | Warren G. Harding+497 | 90668.9% | 40931.1% | 00.0% | 1,315 |
| Twin Falls County | Warren G. Harding+3,012 | 5,89467.2% | 2,88232.8% | 00.0% | 8,776 |
| Valley County | Warren G. Harding+171 | 49360.5% | 32239.5% | 00.0% | 815 |
| Washington County | Warren G. Harding+600 | 1,86459.6% | 1,26440.4% | 00.0% | 3,128 |
Nominees: James M. Cox (D) · Warren G. Harding (R)
Idaho's presidential margins
1892–2024, the 1920 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −44.2% |
| 1896 | +56.8% |
| 1900 | +3.8% |
| 1904 | −40.4% |
| 1908 | −16.9% |
| 1912 | +1.1% |
| 1916 | +10.9% |
| 1920 | −31.3% |
| 1924 | −30.8% |
| 1928 | −29.3% |
| 1932 | +20.4% |
| 1936 | +29.8% |
| 1940 | +9.1% |
| 1944 | +3.5% |
| 1948 | +2.7% |
| 1952 | −31.0% |
| 1956 | −22.4% |
| 1960 | −7.6% |
| 1964 | +1.8% |
| 1968 | −26.1% |
| 1972 | −38.2% |
| 1976 | −22.8% |
| 1980 | −41.3% |
| 1984 | −46.0% |
| 1988 | −26.1% |
| 1992 | −13.6% |
| 1996 | −18.5% |
| 2000 | −39.5% |
| 2004 | −38.1% |
| 2008 | −25.4% |
| 2012 | −31.9% |
| 2016 | −31.8% |
| 2020 | −30.8% |
| 2024 | −36.5% |
Source. Compiled historical county records — 1920 presidential returns · official county-level results. Real returns — nothing estimated.