Akashic
1876–2024
Elections / 2012 · Dem primary · IA

Obama led Iowa's 2012 Democratic presidential primary.

County-level returns aggregated statewide; Obama led by 96.9 points. This is the Democratic nominating contest — the November result is on the general-election page.

Statewide result
Iowa 2012 Democratic presidential primary — county returns aggregated statewide.
CandidateVotesShare
Obama1,096.8798.5%
Other17.171.5%
By county (99)
Each row links to the county's full place page.
CountyLed byMarginVotes
Polk CountyObama+94.8126.9
Linn CountyObama—99
Scott CountyObama—68
Johnson CountyObama+79.161.48
Black Hawk CountyObama+92.651.49
Dubuque CountyObama—42
Story CountyObama+96.039
Woodbury CountyObama—31
Pottawattamie CountyObama—28
Dallas CountyObama+96.022
Cerro Gordo CountyObama—21
Clinton CountyObama—21
Warren CountyObama—19
Des Moines CountyObama+97.318
Jasper CountyObama—15
Marshall CountyObama—15
Muscatine CountyObama+88.015
Webster CountyObama—14
Lee CountyObama+97.213.44
Wapello CountyObama—12.38
Boone CountyObama—11
Marion CountyObama—11
Bremer CountyObama—10
Winneshiek CountyObama+88.010
Benton CountyObama—9.67
Buchanan CountyObama—9
Fayette CountyObama—9
Jackson CountyObama+92.09
Clayton CountyObama—8
Jones CountyObama—8
Poweshiek CountyObama—8
Washington CountyObama—8
Delaware CountyObama—7
Floyd CountyObama+97.77
Carroll CountyObama—6.72
Jefferson CountyObama+62.56.4
Cedar CountyObama+94.16.13
Chickasaw CountyObama—6
Dickinson CountyObama—6
Hamilton CountyObama—6
Hardin CountyObama—6
Henry CountyObama—6
Kossuth CountyObama—6
Madison CountyObama—6
Plymouth CountyObama—5.83
Iowa CountyObama—5.64
Allamakee CountyObama—5.14
Tama CountyObama—5.02
Buena Vista CountyObama—5
Butler CountyObama—5
Clay CountyObama—5
Crawford CountyObama—5
Harrison CountyObama—5
Mitchell CountyObama—4.88
Mahaska CountyObama—4.56
Appanoose CountyObama—4
Cherokee CountyObama—4
Franklin CountyObama—4
Greene CountyObama—4
Grundy CountyObama—4
Hancock CountyObama—4
Howard CountyObama—4
Mills CountyObama—4
Page CountyObama—4
Shelby CountyObama—4
Sioux CountyObama—4
Union CountyObama—4
Winnebago CountyObama—4
Worth CountyObama—4
Wright CountyObama—4
Guthrie CountyObama—3.9
Emmet CountyObama—3.84
Palo Alto CountyObama—3.4
Cass CountyObama—3.36
Adair CountyObama+82.73
Calhoun CountyObama—3
Clarke CountyObama—3
Davis CountyObama—3
Decatur CountyObama—3
Fremont CountyObama—3
Keokuk CountyObama—3
Louisa CountyObama+92.03
Lucas CountyObama—3
Montgomery CountyObama—3
O'Brien CountyObama—3
Pocahontas CountyObama+93.33
Sac CountyObama—3
Monona CountyObama—2.85
Audubon CountyObama—2.73
Monroe CountyObama—2.68
Humboldt CountyObama—2.6
Adams CountyObama—2
Ida CountyObama—2
Lyon CountyObama—2
Ringgold CountyObama—2
Taylor CountyObama—2
Van Buren CountyObama—2
Wayne CountyObama+90.02
Osceola CountyObama—1