Idaho — 2020 Democratic presidential primary
2020 · Democratic presidential primaryIdaho · Democratic primaryBiden+6.5
Who led each county
Idaho's 2020 Democratic primary — 44 counties reporting. Each county links to its place page.
2020Democratic primary leaderBidenSanderscolor = leader · depth = size of the lead
Counties with reported returns are filled by the candidate who led them; the surrounding faint geography is context, not coverage. This is the nominating contest — the November result is on the general-election page.
Statewide result
Idaho 2020 Democratic presidential primary — 108,650 votes, county returns aggregated statewide.
- Biden✓53,15148.9%
- Sanders46,11442.4%
- Warren2,8782.6%
- Bloomberg2,6122.4%
- Buttigieg1,4261.3%
- Gabbard8760.8%
- Klobuchar7740.7%
- All others3970.4%
- Yang3100.3%
- Steyer1120.1%
County-by-county leaders — 44 counties
| County | Led by | Margin | Votes |
|---|---|---|---|
| Ada County | Biden | +2.8 | 47,519 |
| Kootenai County | Biden | +18.2 | 8,973 |
| Canyon County | Sanders | +1.0 | 8,446 |
| Bannock County | Biden | +0.8 | 6,329 |
| Latah County | Sanders | +17.1 | 5,022 |
| Bonneville County | Biden | +5.8 | 4,278 |
| Blaine County | Biden | +28.5 | 3,865 |
| Bonner County | Biden | +8.8 | 3,388 |
| Twin Falls County | Biden | +10.7 | 2,952 |
| Nez Perce County | Biden | +21.2 | 2,518 |
| Teton County | Sanders | +5.3 | 1,409 |
| Bingham County | Biden | +5.9 | 1,185 |
| Valley County | Biden | +22.2 | 1,146 |
| Shoshone County | Biden | +24.2 | 1,045 |
| Elmore County | Biden | +12.0 | 864 |
| Madison County | Biden | +0.8 | 788 |
| Idaho County | Biden | +27.8 | 710 |
| Payette County | Biden | +11.5 | 664 |
| Gem County | Biden | +29.1 | 621 |
| Jerome County | Biden | +10.9 | 475 |
| Boise County | Biden | +27.5 | 465 |
| Cassia County | Biden | +13.6 | 462 |
| Jefferson County | Biden | +13.9 | 452 |
| Boundary County | Sanders | +0.9 | 442 |
| Lemhi County | Biden | +23.4 | 428 |
| Benewah County | Biden | +19.0 | 427 |
| Clearwater County | Biden | +21.3 | 394 |
| Gooding County | Biden | +16.2 | 376 |
| Washington County | Biden | +43.7 | 366 |
| Minidoka County | Biden | +8.7 | 357 |
| Power County | Biden | +20.8 | 313 |
| Fremont County | Biden | +26.9 | 279 |
| Owyhee County | Biden | +12.2 | 254 |
| Adams County | Biden | +23.9 | 234 |
| Custer County | Biden | +25.8 | 217 |
| Franklin County | Biden | +32.8 | 186 |
| Lewis County | Biden | +33.0 | 176 |
| Lincoln County | Biden | +19.3 | 145 |
| Bear Lake County | Biden | +43.8 | 137 |
| Caribou County | Biden | +15.3 | 118 |
| Oneida County | Biden | +27.1 | 96 |
| Butte County | Biden | +31.9 | 72 |
| Camas County | Sanders | +2.0 | 49 |
| Clark County | Biden | +0.0 | 8 |
Source. Official statewide canvasses — 2020 Democratic presidential primary returns · county returns aggregated statewide. Coverage is the nominating contest as reported by the state; margins are the leader’s edge over the runner-up. Real returns — nothing estimated.