Iowa Two Or More Races Population By County in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the Two Or More Races population in Iowa was 67,350 and represented 2.11% of the total Iowa population (3,197,944).

Among Iowa counties, Polk County had the highest number of people who identified as Two Or More Races (13,151), followed by Linn County (6,948), and Scott County (5,813). Adams County had the lowest (38).

In the map below, we show the number and percentage of each county's Two Or More Races population, as well as the gender percentages when you interact with the map. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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

You can also see similar information for other racial and ethnicity groups in Iowa.

See this for other years:
Iowa Two Or More Races Population By County in 2021
Iowa Two Or More Races Population By County in 2021
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County Two or More Races Pop. % of County Population
Adair 98 1.3
Adams 38 1.05
Allamakee 112 0.8
Appanoose 198 1.61
Audubon 54 0.96
Benton 326 1.27
Black Hawk 3669 2.81
Boone 342 1.28
Bremer 327 1.3
Buchanan 237 1.15
Buena Vista 318 1.53
Butler 161 1.12
Calhoun 113 1.14
Carroll 203 0.98
Cass 141 1.08
Cedar 279 1.51
Cerro Gordo 868 2.03
Cherokee 111 0.96
Chickasaw 105 0.88
Clarke 132 1.35
Clay 241 1.47
Clayton 199 1.17
Clinton 1144 2.46
Crawford 161 0.99
Dallas 1881 1.81
Davis 89 0.97
Decatur 126 1.64
Delaware 160 0.91
Des Moines 1171 3.04
Dickinson 248 1.39
Dubuque 1804 1.83
Emmet 196 2.1
Fayette 279 1.45
Floyd 236 1.53
Franklin 140 1.41
Fremont 106 1.61
Greene 117 1.34
Grundy 130 1.05
Guthrie 132 1.25
Hamilton 269 1.81
Hancock 105 0.98
Hardin 211 1.26
Harrison 197 1.34
Henry 360 1.77
Howard 120 1.26
Humboldt 124 1.29
Ida 87 1.25
Iowa 196 1.18
Jackson 248 1.28
Jasper 472 1.25
Jefferson 349 2.21
Johnson 4096 2.64
Jones 204 0.98
Keokuk 124 1.25
Kossuth 165 1.14
Lee 751 2.26
Linn 6948 3.03
Louisa 149 1.39
Lucas 102 1.17
Lyon 145 1.2
Madison 220 1.31
Mahaska 282 1.28
Marion 473 1.41
Marshall 772 1.93
Mills 204 1.41
Mitchell 77 0.73
Monona 116 1.35
Monroe 108 1.43
Montgomery 135 1.31
Muscatine 685 1.61
O'Brien 172 1.23
Osceola 83 1.35
Page 250 1.64
Palo Alto 110 1.23
Plymouth 351 1.36
Pocahontas 103 1.46
Polk 13151 2.64
Pottawattamie 2035 2.18
Poweshiek 324 1.74
Ringgold 47 1.01
Sac 115 1.18
Scott 5813 3.34
Shelby 171 1.45
Sioux 293 0.82
Story 1959 1.97
Tama 498 2.95
Taylor 64 1.09
Union 130 1.08
Van Buren 91 1.25
Wapello 573 1.62
Warren 866 1.62
Washington 364 1.62
Wayne 88 1.35
Webster 968 2.6
Winnebago 166 1.56
Winneshiek 181 0.91
Woodbury 3200 3.03
Worth 102 1.38
Wright 196 1.53