Iowa Two Or More Races Voting-age Population By County in Census 2020

Updated on August 25, 2023.

According to the data from the US 2020 decennial Census, as at April 2020, among all the Iowa voting-age population (18 years and over), there were 104,823 people who identified their race as Two Or More Races, which is 4.28% of the total voting-age population of Iowa.

Polk County had the highest number of Two Or More Races voting-age population (21,104), followed by Linn County (7,516), and Scott County (7,198).

On the other hand, the three counties with low number of Two Or More Races voting-age population were: Adams County (71), Audubon County (85), and Ringgold County (91).

In terms of the percentage of each county's voting-age population, Buena Vista County had the highest percentage, with 9.09% of its voting-age population identifying their race as Two Or More Races, followed by Crawford County (8.59%), and Marshall County (7.36%).

You can see similar information for other states and also for the United States by state. You can also see similar information for other racial groups as well as the different ethnicities in Iowa.

Hover over or click on the counties to see the number and percentage of each county's voting-age population that identified as Two Or More Races. The data can also be filtered, sorted, and explored further in a table below.

Iowa Two Or More Races Voting-age Population By County in Census 2020
Iowa Two Or More Races Voting-age Population By County in Census 2020
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County Two or More Races Voting-age Population % of County Voting-age Population
Adair County 137 2.35
Adams County 71 2.46
Allamakee County 253 2.35
Appanoose County 266 2.77
Audubon County 85 1.92
Benton County 521 2.68
Black Hawk County 3878 3.78
Boone County 632 3.08
Bremer County 438 2.29
Buchanan County 373 2.46
Buena Vista County 1393 9.09
Butler County 203 1.82
Calhoun County 156 2.00
Carroll County 341 2.16
Cass County 239 2.34
Cedar County 428 3.00
Cerro Gordo County 1274 3.70
Cherokee County 217 2.38
Chickasaw County 271 2.95
Clarke County 434 5.92
Clay County 344 2.71
Clayton County 270 2.02
Clinton County 1307 3.64
Crawford County 1039 8.59
Dallas County 3174 4.41
Davis County 139 2.18
Decatur County 174 2.96
Delaware County 224 1.68
Des Moines County 1186 3.90
Dickinson County 310 2.16
Dubuque County 1951 2.54
Emmet County 290 3.96
Fayette County 439 2.87
Floyd County 327 2.73
Franklin County 406 5.30
Fremont County 188 3.67
Greene County 208 3.05
Grundy County 221 2.35
Guthrie County 206 2.50
Hamilton County 481 4.16
Hancock County 313 3.72
Hardin County 411 3.15
Harrison County 305 2.73
Henry County 569 3.52
Howard County 169 2.38
Humboldt County 186 2.56
Ida County 105 1.95
Iowa County 296 2.32
Jackson County 312 2.05
Jasper County 891 3.03
Jefferson County 515 4.05
Johnson County 6304 5.16
Jones County 395 2.43
Keokuk County 197 2.57
Kossuth County 308 2.64
Lee County 1026 3.89
Linn County 7516 4.25
Louisa County 523 6.25
Lucas County 186 2.81
Lyon County 153 1.80
Madison County 399 3.24
Mahaska County 503 2.97
Marion County 771 3.01
Marshall County 2209 7.36
Mills County 421 3.85
Mitchell County 175 2.17
Monona County 225 3.30
Monroe County 138 2.38
Montgomery County 251 3.11
Muscatine County 2031 6.20
O'Brien County 344 3.16
Osceola County 181 3.79
Page County 425 3.54
Palo Alto County 187 2.68
Plymouth County 600 3.12
Pocahontas County 172 3.14
Polk County 21104 5.68
Pottawattamie County 3412 4.75
Poweshiek County 406 2.70
Ringgold County 91 2.51
Sac County 168 2.21
Scott County 7198 5.38
Shelby County 268 2.94
Sioux County 1213 4.69
Story County 4458 5.44
Tama County 634 4.88
Taylor County 152 3.37
Union County 287 3.07
Van Buren County 138 2.52
Wapello County 1253 4.65
Warren County 1398 3.58
Washington County 621 3.64
Wayne County 111 2.32
Webster County 1011 3.46
Winnebago County 243 2.87
Winneshiek County 362 2.23
Woodbury County 5438 6.94
Worth County 152 2.64
Wright County 499 5.13