Iowa Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age 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 American Indian & Alaska Native Alone citizen voting-age population for Iowa was 14,695 and represented 0.63% of the total Iowa citizen voting-age population.

Among all Iowa counties, Woodbury had the highest Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population (1.20K), followed by Tama (800), and Polk (465).

In terms of percentages, Tama had the highest percentage of its citizen voting-age population being Non-Hispanic American Indian & Alaska Native Alone (6.45%), followed by Woodbury (1.65%), and Monona (1.11%).

The chart and table below shows the Non-Hispanic American Indian & Alaska Native Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic American Indian & Alaska Native Alone.

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 American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2021
Iowa Non-Hispanic American Indian and Alaska Native Alone Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Woodbury 1200 1.65
Tama 800 6.45
Polk 465 0.14
Linn 230 0.14
Johnson 225 0.20
Scott 200 0.15
Pottawattamie 180 0.26
Black Hawk 160 0.16
Hardin 145 1.09
Dubuque 135 0.18
Story 115 0.15
Webster 95 0.33
Cerro Gordo 85 0.25
Jasper 85 0.30
Plymouth 80 0.43
Monona 75 1.11
Clinton 65 0.18
Lee 60 0.23
Marshall 60 0.22
Dallas 55 0.08
Appanoose 45 0.48
Henry 45 0.29
Muscatine 45 0.15
Kossuth 40 0.35
Cedar 35 0.25
Chickasaw 30 0.33
Howard 30 0.43
Montgomery 30 0.39
Warren 30 0.08
Winneshiek 30 0.19
Buchanan 25 0.17
Clay 25 0.20
Floyd 25 0.21
Jones 25 0.16
Marion 25 0.10
Page 25 0.21
Allamakee 20 0.19
Bremer 20 0.11
Butler 20 0.18
Des Moines 20 0.07
Emmet 20 0.28
O'Brien 20 0.19
Osceola 20 0.44
Washington 20 0.12
Wright 20 0.21
Benton 15 0.08
Cass 15 0.15
Clarke 15 0.22
Delaware 15 0.11
Dickinson 15 0.11
Fremont 15 0.29
Grundy 15 0.16
Guthrie 15 0.19
Hancock 15 0.18
Mahaska 15 0.09
Sioux 15 0.06
Adams 10 0.35
Calhoun 10 0.13
Carroll 10 0.06
Clayton 10 0.08
Fayette 10 0.07
Greene 10 0.15
Lyon 10 0.12
Madison 10 0.08
Mills 10 0.09
Pocahontas 10 0.19
Poweshiek 10 0.07
Winnebago 10 0.12
Boone 4 0.02
Buena Vista 4 0.03
Decatur 4 0.07
Franklin 4 0.06
Hamilton 4 0.04
Harrison 4 0.04
Humboldt 4 0.06
Ida 4 0.08
Jackson 4 0.03
Keokuk 4 0.05
Louisa 4 0.05
Lucas 4 0.06
Mitchell 4 0.05
Palo Alto 4 0.06
Shelby 4 0.04
Van Buren 4 0.07
Worth 4 0.07
Adair 0 0.00
Audubon 0 0.00
Cherokee 0 0.00
Crawford 0 0.00
Davis 0 0.00
Iowa 0 0.00
Jefferson 0 0.00
Monroe 0 0.00
Ringgold 0 0.00
Sac 0 0.00
Taylor 0 0.00
Union 0 0.00
Wapello 0 0.00
Wayne 0 0.00