Ranking of Iowa Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2017

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2017, among all Iowa counties, Tama County had the highest percentage of its population who identified their race as American Indian and Alaska Native Alone (8.33%), followed by Woodbury County (3.02%), and Emmet County (1.67%).

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.

See this for other years:
Ranking of Iowa Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2017
Tama
Woodbury
Emmet
Crawford
Monona
Clarke
Plymouth
Wapello
Marshall
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Ranking of Iowa Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2017
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Rank County % of County Population
1 Tama County 8.33
2 Woodbury County 3.02
3 Emmet County 1.67
4 Crawford County 1.28
5 Monona County 1.15
6 Clarke County 0.98
7 Plymouth County 0.91
8 Wapello County 0.85
9 Marshall County 0.84
10 Page County 0.76
11 Pottawattamie County 0.75
12 Allamakee County 0.72
13 Muscatine County 0.65
14 Mills County 0.62
15 Buena Vista County 0.6
16 Franklin County 0.56
16 Sioux County 0.56
17 Greene County 0.54
18 Hamilton County 0.53
18 Montgomery County 0.53
19 Decatur County 0.52
19 Palo Alto County 0.52
20 Union County 0.51
20 Webster County 0.51
21 Osceola County 0.5
21 Pocahontas County 0.5
21 Wright County 0.5
22 Cherokee County 0.49
22 Louisa County 0.49
23 Boone County 0.48
23 Shelby County 0.48
24 Madison County 0.43
25 Calhoun County 0.42
25 Lyon County 0.42
26 Adams County 0.41
26 Cass County 0.41
26 Jasper County 0.41
26 Mahaska County 0.41
27 Hardin County 0.4
27 Henry County 0.4
28 Poweshiek County 0.39
28 Scott County 0.39
28 Winnebago County 0.39
29 Fremont County 0.38
29 Harrison County 0.38
29 Jones County 0.38
30 Black Hawk County 0.37
30 Clay County 0.37
30 Guthrie County 0.37
30 Kossuth County 0.37
31 Clinton County 0.36
31 Polk County 0.36
32 Dallas County 0.35
33 Floyd County 0.34
33 Hancock County 0.34
33 Johnson County 0.34
34 Cerro Gordo County 0.33
34 Lucas County 0.33
34 O'Brien County 0.33
34 Taylor County 0.33
34 Washington County 0.33
35 Des Moines County 0.32
35 Jackson County 0.32
35 Worth County 0.32
36 Warren County 0.31
37 Lee County 0.3
38 Appanoose County 0.29
38 Dubuque County 0.29
38 Humboldt County 0.29
38 Jefferson County 0.29
39 Benton County 0.28
39 Carroll County 0.28
39 Fayette County 0.28
39 Ida County 0.28
39 Linn County 0.28
40 Davis County 0.27
41 Dickinson County 0.26
41 Story County 0.26
42 Buchanan County 0.25
43 Iowa County 0.24
43 Ringgold County 0.24
44 Adair County 0.23
44 Audubon County 0.23
44 Keokuk County 0.23
44 Monroe County 0.23
44 Wayne County 0.23
45 Cedar County 0.21
45 Clayton County 0.21
45 Marion County 0.21
45 Mitchell County 0.21
45 Van Buren County 0.21
46 Howard County 0.2
47 Sac County 0.19
48 Butler County 0.18
49 Delaware County 0.16
50 Bremer County 0.15
51 Chickasaw County 0.13
52 Grundy County 0.12
53 Winneshiek County 0.1