Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2021

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2021, among all Iowa counties, Tama County had the highest percentage of its population who identified their ethnicity as Non-Hispanic American Indian and Alaska Native (6.11%), followed by Monona County (1.77%), and Woodbury County (1.51%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

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Ranking of Iowa Counties By Non-Hispanic American Indian and Alaska Native Population in 2021

Related Topics: Iowa Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

See this for other years:

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic American Indian and Alaska Native in 2021

Tama

Monona

Woodbury

Page

Adams

Montgomery

Mills

Calhoun

Plymouth

Decatur

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic American Indian and Alaska Native in 2021

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Rank	County	% of County Population
1	Tama County	6.11
2	Monona County	1.77
3	Woodbury County	1.51
4	Page County	0.56
5	Adams County	0.5
6	Montgomery County	0.49
7	Mills County	0.48
8	Calhoun County	0.46
8	Plymouth County	0.46
9	Decatur County	0.44
9	Fremont County	0.44
9	Greene County	0.44
9	Pottawattamie County	0.44
10	Appanoose County	0.42
10	Osceola County	0.42
11	Marshall County	0.4
12	Emmet County	0.39
13	Jones County	0.38
13	Webster County	0.38
14	Crawford County	0.36
15	Jasper County	0.35
15	Union County	0.35
16	Boone County	0.34
16	Palo Alto County	0.34
17	Cherokee County	0.33
17	Davis County	0.33
17	Louisa County	0.33
17	Shelby County	0.33
18	Clay County	0.32
18	Guthrie County	0.32
19	Hardin County	0.31
19	Henry County	0.31
19	Pocahontas County	0.31
20	Des Moines County	0.3
20	Lucas County	0.3
20	Madison County	0.3
21	Clarke County	0.29
22	Benton County	0.28
22	Franklin County	0.28
22	Hamilton County	0.28
22	Mahaska County	0.28
22	Poweshiek County	0.28
22	Wapello County	0.28
23	Jefferson County	0.27
23	Wright County	0.27
24	Clinton County	0.26
24	Harrison County	0.26
24	Howard County	0.26
24	Ringgold County	0.26
25	Jackson County	0.25
25	Muscatine County	0.25
26	Adair County	0.24
26	Lee County	0.24
27	Cerro Gordo County	0.23
27	O'Brien County	0.23
27	Sioux County	0.23
27	Warren County	0.23
27	Worth County	0.23
28	Allamakee County	0.22
28	Cass County	0.22
28	Fayette County	0.22
28	Ida County	0.22
28	Winnebago County	0.22
29	Black Hawk County	0.21
29	Johnson County	0.21
29	Van Buren County	0.21
30	Lyon County	0.2
30	Monroe County	0.2
30	Scott County	0.2
30	Washington County	0.2
31	Humboldt County	0.19
31	Taylor County	0.19
32	Audubon County	0.18
32	Carroll County	0.18
32	Cedar County	0.18
32	Dallas County	0.18
32	Dubuque County	0.18
32	Hancock County	0.18
32	Iowa County	0.18
32	Linn County	0.18
32	Story County	0.18
32	Wayne County	0.18
33	Bremer County	0.17
33	Floyd County	0.17
34	Buchanan County	0.16
34	Dickinson County	0.16
34	Sac County	0.16
35	Buena Vista County	0.15
35	Delaware County	0.15
35	Grundy County	0.15
35	Polk County	0.15
36	Keokuk County	0.14
36	Kossuth County	0.14
36	Marion County	0.14
37	Butler County	0.12
37	Clayton County	0.12
37	Mitchell County	0.12
38	Winneshiek County	0.1
39	Chickasaw County	0.09