Akashic
1876–2024
Elections / 2020 · Dem primary · IA

Sanders led Iowa's 2020 Democratic presidential caucus.

County-level returns aggregated statewide; Sanders led by 2.6 points. This is the Democratic nominating contest — the November result is on the general-election page.

Statewide result
Iowa 2020 Democratic presidential caucus — county returns aggregated statewide.
CandidateVotesShare
Sanders41,66824.2%
Buttigieg37,18521.6%
Warren32,07018.6%
Biden25,68414.9%
Klobuchar21,90812.7%
Yang8,7965.1%
Steyer3,0291.8%
Other1,2950.8%
Gabbard3390.2%
Bloomberg1870.1%
By county (99)
Each row links to the county's full place page.
CountyLed byMarginVotes
Polk CountySanders+2.737,834
Johnson CountySanders+1.721,257
Linn CountySanders+6.015,113
Story CountySanders+8.69,876
Scott CountySanders+1.98,862
Black Hawk CountySanders+7.27,033
Dallas CountyButtigieg+10.05,804
Dubuque CountyButtigieg+0.65,186
Woodbury CountySanders+9.53,234
Pottawattamie CountySanders+3.23,043
Warren CountyButtigieg+13.22,944
Winneshiek CountyButtigieg+4.81,874
Des Moines CountyButtigieg+8.71,832
Cerro Gordo CountyButtigieg+2.81,828
Jefferson CountySanders+22.71,769
Poweshiek CountySanders+6.81,768
Clinton CountyButtigieg+0.41,719
Muscatine CountySanders+5.21,711
Jasper CountyButtigieg+8.21,582
Marshall CountySanders+6.91,446
Boone CountyButtigieg+4.31,356
Marion CountyButtigieg+12.41,336
Bremer CountyButtigieg+9.41,292
Lee CountyButtigieg+8.21,227
Webster CountyButtigieg+12.61,180
Wapello CountyButtigieg+0.81,093
Washington CountySanders+6.3976
Cedar CountySanders+0.2849
Benton CountyBiden+3.9813
Jackson CountyButtigieg+6.8781
Fayette CountyButtigieg+10.8768
Buchanan CountyBiden+3.1762
Madison CountyButtigieg+11.6740
Iowa CountySanders+3.3701
Henry CountyButtigieg+2.3688
Sioux CountyWarren+2.3668
Dickinson CountyButtigieg+4.8666
Clayton CountyButtigieg+16.1638
Carroll CountyButtigieg+1.0624
Mahaska CountySanders+3.2624
Jones CountyButtigieg+2.8614
Plymouth CountyBiden+0.3596
Floyd CountyButtigieg+0.3594
Tama CountySanders+5.9580
Hardin CountyButtigieg+7.7558
Buena Vista CountySanders+0.9545
Hamilton CountyButtigieg+8.1543
Clay CountyBiden+3.5514
Allamakee CountyButtigieg+14.4501
Kossuth CountyButtigieg+4.6456
Delaware CountyBiden+0.9433
Butler CountySanders+3.7428
Mills CountyButtigieg+3.5423
Harrison CountyButtigieg+1.0413
Page CountyButtigieg+1.5404
Winnebago CountyButtigieg+11.1395
Chickasaw CountyButtigieg+5.7389
Cass CountyButtigieg+3.5376
Grundy CountyButtigieg+3.0368
Greene CountyButtigieg+4.7362
Appanoose CountyButtigieg+10.0360
Guthrie CountyKlobuchar+2.0358
Union CountyButtigieg+0.3348
Mitchell CountyKlobuchar+6.6347
Wright CountyButtigieg+9.2336
Crawford CountyBiden+4.0329
Decatur CountyButtigieg+1.9317
Louisa CountySanders+4.6306
Worth CountyKlobuchar+0.7276
Keokuk CountyButtigieg+5.9271
Howard CountyButtigieg+10.4270
Hancock CountyButtigieg+6.0268
Cherokee CountyBiden+0.4266
Shelby CountyButtigieg+7.9266
Emmet CountySanders+5.4260
Montgomery CountyButtigieg+9.0256
Calhoun CountyButtigieg+14.1255
Clarke CountyButtigieg+0.8255
Palo Alto CountyBiden+4.7255
Franklin CountySanders+0.8248
O'Brien CountyKlobuchar+1.2248
Humboldt CountyBiden+0.0242
Adair CountyKlobuchar+2.2229
Sac CountyButtigieg+10.2225
Lucas CountyBiden+2.7220
Monona CountyButtigieg+1.9207
Audubon CountyBiden+1.5203
Davis CountyBiden+2.6191
Lyon CountyKlobuchar+3.8185
Fremont CountyButtigieg+3.9182
Pocahontas CountyBiden+0.0180
Monroe CountyButtigieg+5.5164
Ida CountyBiden+0.0147
Van Buren CountyButtigieg+6.8147
Ringgold CountyBiden+8.2146
Wayne CountyKlobuchar+8.9135
Adams CountyBiden+6.5107
Taylor CountyButtigieg+5.197
Osceola CountyButtigieg+11.470