Iowa Non-Hispanic Two Or More Races Citizen 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 population for Iowa was 79,705 and represented 2.63% of the total Iowa citizen population.

Among all Iowa counties, Polk had the highest Non-Hispanic Two Or More Races citizen population (11.62K), followed by Linn (5.22K), and Scott (4.35K).

In terms of percentages, Jefferson had the highest percentage of its citizen population being Non-Hispanic Two Or More Races (7.94%), followed by Story (2.73%), and Scott (2.59%).

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 2018
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County Citizen Population % of County Citizen Population
Polk 11620 2.58
Linn 5220 2.41
Scott 4350 2.59
Johnson 2870 2.12
Black Hawk 2560 1.99
Story 2445 2.73
Woodbury 2230 2.28
Pottawattamie 1900 2.08
Dallas 1630 2.04
Jefferson 1300 7.94
Dubuque 1250 1.31
Des Moines 960 2.45
Marshall 940 2.58
Clinton 810 1.73
Lee 745 2.17
Warren 715 1.46
Muscatine 660 1.59
Marion 554 1.68
Wapello 504 1.51
Jasper 485 1.32
Cerro Gordo 469 1.11
Webster 450 1.25
Boone 405 1.54
Sioux 350 1.05
Henry 344 1.75
Page 324 2.14
Clay 320 1.99
Plymouth 265 1.08
Jackson 263 1.36
Washington 255 1.17
Mahaska 245 1.12
Buchanan 243 1.15
Benton 225 0.88
Cedar 225 1.22
Poweshiek 219 1.20
Montgomery 215 2.15
Fayette 200 1.01
Bremer 194 0.79
Monroe 185 2.36
Floyd 180 1.15
Cherokee 179 1.57
Tama 173 1.04
Appanoose 170 1.37
Harrison 164 1.16
Guthrie 159 1.50
Wright 155 1.25
Madison 154 0.98
Delaware 150 0.87
Hancock 145 1.34
Hardin 144 0.85
Calhoun 140 1.44
Crawford 140 0.94
Jones 140 0.69
Buena Vista 139 0.79
Shelby 134 1.16
Howard 125 1.35
Iowa 125 0.77
Mills 120 0.81
Allamakee 119 0.89
Decatur 115 1.45
Sac 105 1.07
Union 105 0.85
Wayne 105 1.64
Audubon 104 1.85
Greene 104 1.17
Keokuk 95 0.94
Kossuth 95 0.64
Carroll 94 0.46
Cass 94 0.72
Humboldt 94 1.00
Van Buren 93 1.29
Franklin 89 0.89
Davis 85 0.96
Butler 84 0.57
Lyon 84 0.72
Worth 79 1.06
Monona 78 0.89
Clayton 74 0.42
Grundy 74 0.60
Ida 74 1.08
Louisa 74 0.71
Dickinson 70 0.42
Mitchell 70 0.66
Winnebago 69 0.66
O'Brien 65 0.48
Chickasaw 60 0.51
Fremont 60 0.87
Palo Alto 59 0.67
Winneshiek 59 0.29
Adair 58 0.82
Clarke 55 0.63
Taylor 55 0.91
Osceola 54 0.92
Pocahontas 44 0.65
Emmet 38 0.41
Lucas 25 0.30
Ringgold 24 0.49
Hamilton 16 0.11
Adams 8 0.22