Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2015

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2015, 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 (6.3%), followed by Woodbury County (1.54%), and Monona County (1.05%).

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 2015

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 2015

Tama

Woodbury

Monona

Page

Emmet

Decatur

Adams

Montgomery

Pottawattamie

Calhoun

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic American Indian and Alaska Native in 2015

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Rank	County	% of County Population
1	Tama County	6.3
2	Woodbury County	1.54
3	Monona County	1.05
4	Page County	0.57
5	Emmet County	0.44
6	Decatur County	0.42
7	Adams County	0.4
8	Montgomery County	0.38
8	Pottawattamie County	0.38
9	Calhoun County	0.37
9	Jasper County	0.37
10	Marshall County	0.35
11	Cherokee County	0.32
12	Boone County	0.31
12	Madison County	0.31
12	Mills County	0.31
12	Palo Alto County	0.31
12	Shelby County	0.31
13	Union County	0.3
14	Fremont County	0.29
14	Greene County	0.29
14	Osceola County	0.29
14	Webster County	0.29
15	Appanoose County	0.28
15	Guthrie County	0.28
15	Hardin County	0.28
15	Harrison County	0.28
15	Wapello County	0.28
16	Clay County	0.27
16	Plymouth County	0.27
17	Des Moines County	0.26
18	Mahaska County	0.25
19	Allamakee County	0.24
19	Henry County	0.24
19	Jones County	0.24
19	Muscatine County	0.24
20	Clarke County	0.23
20	Crawford County	0.23
20	Lee County	0.23
20	Louisa County	0.23
20	Worth County	0.23
21	Hamilton County	0.22
21	Jefferson County	0.22
21	Ringgold County	0.22
21	Scott County	0.22
21	Sioux County	0.22
21	Taylor County	0.22
21	Wright County	0.22
22	Clinton County	0.21
22	Davis County	0.21
22	Jackson County	0.21
22	Warren County	0.21
23	Hancock County	0.2
23	Ida County	0.2
23	Linn County	0.2
23	Lucas County	0.2
23	Pocahontas County	0.2
23	Washington County	0.2
24	Cass County	0.19
24	Johnson County	0.19
24	Monroe County	0.19
24	Poweshiek County	0.19
24	Van Buren County	0.19
24	Wayne County	0.19
24	Winnebago County	0.19
25	Benton County	0.18
25	Black Hawk County	0.18
25	Carroll County	0.18
25	Cerro Gordo County	0.18
25	Dickinson County	0.18
25	Story County	0.18
26	O'Brien County	0.17
26	Polk County	0.17
27	Audubon County	0.16
27	Dallas County	0.16
27	Dubuque County	0.16
27	Franklin County	0.16
27	Lyon County	0.16
27	Sac County	0.16
28	Fayette County	0.15
29	Buchanan County	0.14
29	Keokuk County	0.14
30	Cedar County	0.13
30	Floyd County	0.13
30	Marion County	0.13
31	Delaware County	0.12
31	Iowa County	0.12
31	Mitchell County	0.12
32	Buena Vista County	0.11
32	Butler County	0.11
32	Humboldt County	0.11
33	Howard County	0.1
34	Bremer County	0.09
34	Clayton County	0.09
34	Kossuth County	0.09
35	Adair County	0.08
35	Winneshiek County	0.08
36	Chickasaw County	0.07
36	Grundy County	0.07