Iowa Non-Hispanic Two Or More Races Citizen Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the Non-Hispanic Two Or More Races citizen population for Iowa was 101,685 and represented 3.30% of the total Iowa citizen population.

Among all Iowa counties, Polk had the highest Non-Hispanic Two Or More Races citizen population (11.93K), followed by Linn (6.98K), and Scott (6.17K).

In terms of percentages, Monroe had the highest percentage of its citizen population being Non-Hispanic Two Or More Races (3.76%), followed by Scott (3.61%), and Johnson (3.34%).

The chart and table below shows the Non-Hispanic Two Or More Races citizen population of each county and the percentage of each county's citizen 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 Population By County in 2021
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County Citizen Population % of County Citizen Population
Polk 11930 2.57
Linn 6980 3.14
Scott 6170 3.61
Johnson 4700 3.34
Black Hawk 3360 2.66
Woodbury 3240 3.25
Story 2560 2.79
Pottawattamie 2375 2.59
Dallas 2265 2.46
Dubuque 2140 2.20
Clinton 1105 2.39
Des Moines 1105 2.87
Marshall 880 2.39
Warren 840 1.63
Muscatine 795 1.91
Webster 775 2.13
Wapello 760 2.24
Cerro Gordo 725 1.69
Lee 624 1.86
Mahaska 454 2.07
Sioux 445 1.30
Benton 444 1.74
Page 439 2.90
Jasper 430 1.16
Marion 430 1.30
Boone 375 1.41
Jefferson 375 2.62
Bremer 370 1.50
Buena Vista 370 2.04
Carroll 368 1.79
Henry 364 1.81
Fayette 355 1.84
Washington 343 1.55
Clay 335 2.05
Floyd 320 2.05
Buchanan 314 1.54
Jackson 300 1.55
Mills 285 1.96
Monroe 285 3.76
Clarke 280 3.02
Poweshiek 280 1.53
Iowa 279 1.69
Dickinson 275 1.60
Delaware 270 1.54
Clayton 260 1.53
Wright 260 2.06
Appanoose 255 2.08
Harrison 254 1.75
Plymouth 250 1.00
Tama 244 1.48
Jones 240 1.16
Union 239 1.99
Cedar 210 1.15
Montgomery 200 1.94
Calhoun 194 1.96
Louisa 190 1.87
Decatur 180 2.37
Guthrie 180 1.72
Madison 179 1.09
Franklin 175 1.82
Palo Alto 175 1.97
Monona 174 1.99
Greene 165 1.88
Crawford 160 1.10
Kossuth 150 1.02
Winneshiek 145 0.73
Shelby 144 1.24
Fremont 140 2.10
Howard 140 1.49
Cass 130 1.00
Cherokee 130 1.12
Hardin 130 0.78
Wayne 130 2.01
Lyon 115 0.97
Taylor 115 2.00
Keokuk 114 1.14
Pocahontas 110 1.58
Davis 109 1.21
Worth 109 1.47
Lucas 105 1.24
Ringgold 105 2.23
Chickasaw 94 0.79
Audubon 93 1.66
Allamakee 90 0.66
Osceola 89 1.49
Sac 89 0.91
Van Buren 80 1.12
O'Brien 75 0.54
Butler 73 0.51
Adams 69 1.87
Humboldt 68 0.72
Adair 65 0.88
Grundy 65 0.53
Hancock 59 0.55
Emmet 54 0.59
Ida 50 0.72
Mitchell 44 0.42
Winnebago 43 0.41
Hamilton 34 0.23