Iowa Non-Hispanic Two Or More Races Citizen Voting-age Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Non-Hispanic Two Or More Races citizen voting-age population for Iowa was 43,310 and represented 1.87% of the total Iowa citizen voting-age population.

Among all Iowa counties, Polk had the highest Non-Hispanic Two Or More Races citizen voting-age population (4.43K), followed by Linn (2.08K), and Scott (1.83K).

In terms of percentages, Jefferson had the highest percentage of its citizen voting-age population being Non-Hispanic Two Or More Races (5.39%), followed by Audubon (2.10%), and Story (1.98%).

The chart and table below shows the Non-Hispanic Two Or More Races citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic Two Or More Races.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Iowa Non-Hispanic Two Or More Races Citizen Voting-age Population By County in 2018
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Polk 4435 1.33
Linn 2080 1.26
Scott 1825 1.43
Johnson 1475 1.38
Story 1460 1.98
Black Hawk 965 0.96
Pottawattamie 880 1.27
Woodbury 745 1.05
Jefferson 705 5.39
Dallas 650 1.14
Dubuque 510 0.70
Marshall 485 1.82
Lee 395 1.47
Des Moines 390 1.29
Warren 355 0.97
Marion 289 1.15
Webster 289 1.02
Clinton 280 0.78
Muscatine 280 0.91
Jasper 250 0.88
Wapello 214 0.83
Cerro Gordo 194 0.58
Page 193 1.60
Boone 189 0.92
Clay 164 1.32
Appanoose 125 1.29
Calhoun 119 1.54
Henry 119 0.78
Cedar 114 0.80
Cherokee 114 1.27
Sioux 109 0.46
Jackson 107 0.71
Mahaska 104 0.62
Plymouth 104 0.57
Poweshiek 104 0.71
Audubon 95 2.10
Fayette 95 0.61
Bremer 93 0.49
Howard 90 1.30
Benton 85 0.44
Montgomery 79 1.03
Washington 79 0.49
Iowa 75 0.61
Keokuk 75 0.96
Sac 75 0.99
Union 75 0.79
Guthrie 73 0.89
Butler 68 0.60
Monona 68 0.98
Jones 65 0.41
Crawford 63 0.59
Harrison 63 0.58
Tama 63 0.50
Decatur 60 0.97
Ida 59 1.12
Kossuth 59 0.50
Carroll 58 0.38
Delaware 55 0.42
Monroe 55 0.94
Wright 55 0.59
Madison 54 0.46
Louisa 53 0.67
Clarke 50 0.77
Grundy 50 0.53
Mills 49 0.43
Buena Vista 48 0.38
Hancock 44 0.53
Winnebago 44 0.54
Mitchell 40 0.50
Cass 39 0.38
Emmet 38 0.52
Humboldt 38 0.53
Buchanan 35 0.23
Winneshiek 35 0.22
Allamakee 34 0.33
Dickinson 34 0.25
Hardin 34 0.26
O'Brien 34 0.33
Osceola 34 0.76
Shelby 34 0.38
Taylor 34 0.74
Van Buren 34 0.62
Davis 30 0.48
Greene 30 0.44
Pocahontas 30 0.57
Clayton 25 0.18
Lucas 25 0.39
Adair 24 0.44
Wayne 24 0.50
Worth 24 0.41
Lyon 23 0.28
Franklin 18 0.24
Hamilton 12 0.11
Fremont 10 0.19
Adams 8 0.27
Floyd 8 0.07
Palo Alto 8 0.12
Ringgold 8 0.21
Chickasaw 4 0.04