Iowa Non-Hispanic American Indian and Alaska Native Alone Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the Non-Hispanic American Indian & Alaska Native Alone citizen population for Iowa was 21,305 and represented 0.70% of the total Iowa citizen population.

Among all Iowa counties, Woodbury had the highest Non-Hispanic American Indian & Alaska Native Alone citizen population (1.58K), followed by Tama (1.18K), and Polk (770).

In terms of percentages, Tama had the highest percentage of its citizen population being Non-Hispanic American Indian & Alaska Native Alone (7.12%), followed by Woodbury (1.61%), and Monona (1.27%).

The chart and table below shows the Non-Hispanic American Indian & Alaska Native Alone citizen population of each county and the percentage of each county's citizen 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 Population By County in 2020
Iowa Non-Hispanic American Indian and Alaska Native Alone Citizen Population By County in 2020
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County Citizen Population % of County Citizen Population
Woodbury 1580 1.61
Tama 1175 7.12
Polk 770 0.17
Scott 405 0.24
Black Hawk 370 0.29
Pottawattamie 335 0.37
Linn 275 0.13
Johnson 260 0.19
Dubuque 160 0.17
Plymouth 130 0.53
Allamakee 120 0.89
Story 120 0.13
Clinton 115 0.25
Monona 110 1.27
Webster 110 0.31
Cerro Gordo 105 0.25
Dallas 95 0.11
Floyd 85 0.54
Jasper 85 0.23
Lee 85 0.25
Hardin 70 0.42
Winneshiek 65 0.33
Mills 60 0.40
Marion 55 0.17
Appanoose 50 0.40
Muscatine 50 0.12
Crawford 45 0.30
Wapello 45 0.13
Benton 40 0.16
Cedar 40 0.22
Clayton 40 0.23
Des Moines 40 0.10
Washington 40 0.19
Henry 35 0.18
Madison 35 0.22
Marshall 35 0.10
Montgomery 35 0.35
Bremer 30 0.12
Dickinson 30 0.18
Hancock 30 0.28
Jones 30 0.15
Mahaska 30 0.14
Palo Alto 30 0.34
Wayne 30 0.47
Winnebago 30 0.29
Boone 25 0.10
Buchanan 25 0.12
Butler 25 0.17
Clarke 25 0.28
Hamilton 25 0.17
Louisa 25 0.24
Mitchell 25 0.24
Sioux 25 0.07
Calhoun 20 0.21
Cass 20 0.16
Fremont 20 0.29
Page 20 0.13
Chickasaw 15 0.13
Clay 15 0.09
Delaware 15 0.09
Greene 15 0.17
Guthrie 15 0.14
Humboldt 15 0.16
Kossuth 15 0.10
Warren 15 0.03
Adams 10 0.28
Carroll 10 0.05
Emmet 10 0.11
Fayette 10 0.05
Grundy 10 0.08
Lyon 10 0.09
O'Brien 10 0.07
Pocahontas 10 0.15
Ringgold 10 0.21
Shelby 10 0.09
Buena Vista 4 0.02
Franklin 4 0.04
Harrison 4 0.03
Howard 4 0.04
Ida 4 0.06
Jackson 4 0.02
Keokuk 4 0.04
Lucas 4 0.05
Osceola 4 0.07
Poweshiek 4 0.02
Taylor 4 0.07
Wright 4 0.03
Adair 0 0.00
Audubon 0 0.00
Cherokee 0 0.00
Davis 0 0.00
Decatur 0 0.00
Iowa 0 0.00
Jefferson 0 0.00
Monroe 0 0.00
Sac 0 0.00
Union 0 0.00
Van Buren 0 0.00
Worth 0 0.00