Iowa — 2016 Democratic presidential caucus
Akashic2016 · Democratic presidential caucusIowa · Democratic primaryClinton+0.2
Who led each county
Iowa's 2016 Democratic caucus — 99 counties reporting. Each county links to its place page.
2016Democratic caucus leaderClintonSanderscolor = 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
Iowa 2016 Democratic presidential caucus — 140,048 votes, county returns aggregated statewide.
- Clinton✓69,74549.8%
- Sanders69,49649.6%
- All others8090.6%
Caucus figures follow the state party’s reported measure, which can be state-delegate equivalents rather than raw attendees — shares are the honest comparison.
County-by-county leaders — 99 counties
| County | Led by | Margin | Votes |
|---|---|---|---|
| Polk County | Clinton | +7.0 | 22,800 |
| Linn County | Sanders | +4.9 | 12,100 |
| Johnson County | Sanders | +19.3 | 9,200 |
| Scott County | Sanders | +1.5 | 8,200 |
| Black Hawk County | Sanders | +6.2 | 6,900 |
| Dubuque County | Clinton | +4.7 | 4,800 |
| Story County | Sanders | +18.0 | 4,600 |
| Woodbury County | Sanders | +7.9 | 3,600 |
| Pottawattamie County | Sanders | +1.7 | 3,100 |
| Dallas County | Clinton | +15.9 | 2,900 |
| Clinton County | Sanders | +2.8 | 2,400 |
| Cerro Gordo County | Sanders | +0.8 | 2,200 |
| Warren County | Clinton | +12.0 | 2,200 |
| Des Moines County | Sanders | +6.7 | 2,000 |
| Jasper County | Clinton | +6.5 | 1,800 |
| Marshall County | Sanders | +6.7 | 1,800 |
| Muscatine County | Sanders | +8.0 | 1,800 |
| Lee County | Clinton | +9.3 | 1,700 |
| Webster County | Clinton | +9.2 | 1,600 |
| Wapello County | Clinton | +10.1 | 1,493 |
| Boone County | Sanders | +10.0 | 1,300 |
| Marion County | Clinton | +0.0 | 1,300 |
| Benton County | Clinton | +12.0 | 1,200 |
| Bremer County | Clinton | +8.0 | 1,200 |
| Winneshiek County | Sanders | +12.0 | 1,100 |
| Buchanan County | Clinton | +5.0 | 1,000 |
| Fayette County | Clinton | +5.7 | 1,000 |
| Jackson County | Clinton | +4.0 | 900 |
| Jefferson County | Sanders | +45.6 | 900 |
| Jones County | Sanders | +6.7 | 900 |
| Poweshiek County | Sanders | +7.1 | 900 |
| Tama County | Clinton | +5.8 | 900 |
| Washington County | Clinton | +7.8 | 900 |
| Carroll County | Clinton | +26.0 | 800 |
| Cedar County | Sanders | +11.5 | 800 |
| Clayton County | Sanders | +2.0 | 800 |
| Delaware County | Clinton | +12.0 | 800 |
| Floyd County | Clinton | +13.3 | 800 |
| Dickinson County | Sanders | +2.6 | 700 |
| Hardin County | Clinton | +15.1 | 700 |
| Henry County | Clinton | +0.0 | 700 |
| Iowa County | Clinton | +2.0 | 700 |
| Mahaska County | Clinton | +12.3 | 700 |
| Plymouth County | Clinton | +10.9 | 700 |
| Allamakee County | Clinton | +1.3 | 600 |
| Buena Vista County | Clinton | +0.0 | 600 |
| Butler County | Sanders | +16.7 | 600 |
| Chickasaw County | Clinton | +21.0 | 600 |
| Clay County | Sanders | +1.3 | 600 |
| Hamilton County | Clinton | +17.7 | 600 |
| Madison County | Clinton | +6.7 | 600 |
| Kossuth County | Clinton | +24.8 | 593 |
| Appanoose County | Clinton | +9.2 | 500 |
| Cass County | Clinton | +22.0 | 500 |
| Crawford County | Clinton | +3.4 | 500 |
| Harrison County | Sanders | +9.2 | 500 |
| Mills County | Clinton | +2.4 | 500 |
| Union County | Sanders | +7.6 | 500 |
| Wright County | Clinton | +9.2 | 500 |
| Calhoun County | Clinton | +0.0 | 400 |
| Cherokee County | Sanders | +9.0 | 400 |
| Clarke County | Clinton | +16.0 | 400 |
| Franklin County | Clinton | +14.5 | 400 |
| Greene County | Clinton | +7.5 | 400 |
| Grundy County | Sanders | +5.0 | 400 |
| Guthrie County | Clinton | +10.0 | 400 |
| Howard County | Sanders | +7.5 | 400 |
| Keokuk County | Clinton | +27.5 | 400 |
| Louisa County | Clinton | +14.0 | 400 |
| Mitchell County | Clinton | +31.3 | 400 |
| Page County | Sanders | +1.5 | 400 |
| Palo Alto County | Clinton | +6.5 | 400 |
| Shelby County | Sanders | +16.0 | 400 |
| Sioux County | Sanders | +2.8 | 400 |
| Winnebago County | Sanders | +15.0 | 400 |
| Worth County | Sanders | +9.5 | 400 |
| Hancock County | Clinton | +22.4 | 392 |
| Adair County | Clinton | +12.0 | 300 |
| Audubon County | Clinton | +25.0 | 300 |
| Davis County | Clinton | +16.0 | 300 |
| Decatur County | Clinton | +3.0 | 300 |
| Emmet County | Clinton | +12.0 | 300 |
| Humboldt County | Clinton | +11.3 | 300 |
| Lucas County | Clinton | +20.0 | 300 |
| Monona County | Clinton | +21.3 | 300 |
| Monroe County | Sanders | +1.7 | 300 |
| Montgomery County | Sanders | +28.0 | 300 |
| O'Brien County | Clinton | +3.7 | 300 |
| Pocahontas County | Clinton | +36.0 | 300 |
| Sac County | Clinton | +10.0 | 300 |
| Fremont County | Sanders | +5.6 | 270 |
| Adams County | Clinton | +13.0 | 200 |
| Ida County | Clinton | +7.0 | 200 |
| Lyon County | Sanders | +16.5 | 200 |
| Ringgold County | Clinton | +32.5 | 200 |
| Taylor County | Clinton | +40.0 | 200 |
| Van Buren County | Sanders | +7.0 | 200 |
| Wayne County | Clinton | +30.0 | 200 |
| Osceola County | Clinton | +20.0 | 100 |
Source. Official statewide canvasses — 2016 Democratic presidential caucus returns · county returns aggregated statewide. Coverage is the nominating contest as reported by the state party; margins are the leader’s edge over the runner-up. Real returns — nothing estimated.