Ranking of Iowa Counties By American Indian and Alaska Native Alone Population in 2015

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2015, among all Iowa counties, Woodbury County had the highest number of people who identified their race as American Indian and Alaska Native Alone (3.01K), followed by Polk County (1.76K), and Tama County (1.43K).

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 American Indian and Alaska Native Alone Population in 2015
Woodbury
Polk
Tama
Pottawattamie
Scott
Linn
Johnson
Black Hawk
Marshall
Wapello
Ranking of Iowa Counties By American Indian and Alaska Native Alone Population in 2015
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Rank County American Indian and Alaska Native Alone Population
1 Woodbury County 3008
2 Polk County 1758
3 Tama County 1426
4 Pottawattamie County 666
5 Scott County 662
6 Linn County 596
7 Johnson County 507
8 Black Hawk County 487
9 Marshall County 317
10 Wapello County 300
11 Dallas County 296
12 Muscatine County 268
13 Dubuque County 252
14 Story County 250
15 Crawford County 225
16 Sioux County 189
17 Webster County 178
18 Plymouth County 168
19 Clinton County 160
20 Jasper County 151
21 Emmet County 147
22 Warren County 137
23 Cerro Gordo County 133
24 Des Moines County 122
25 Page County 119
26 Boone County 114
27 Buena Vista County 112
28 Monona County 102
29 Lee County 98
30 Allamakee County 93
31 Mahaska County 88
32 Marion County 74
33 Clarke County 73
34 Henry County 72
35 Washington County 68
36 Hardin County 67
36 Mills County 67
37 Wright County 65
38 Jones County 64
38 Madison County 64
39 Carroll County 61
39 Cass County 61
39 Hamilton County 61
40 Benton County 58
41 Jackson County 57
42 Poweshiek County 54
43 Fayette County 53
43 Franklin County 53
44 Jefferson County 51
45 Louisa County 50
46 Harrison County 49
46 Union County 49
47 Kossuth County 48
48 Buchanan County 47
48 Cherokee County 47
48 Clay County 47
49 Dickinson County 45
49 Floyd County 45
49 Montgomery County 45
50 O'Brien County 44
50 Shelby County 44
51 Decatur County 42
52 Lyon County 41
52 Palo Alto County 41
53 Appanoose County 38
54 Calhoun County 37
54 Guthrie County 37
54 Iowa County 37
55 Cedar County 36
56 Pocahontas County 34
57 Bremer County 32
58 Greene County 31
59 Winnebago County 30
60 Clayton County 29
61 Hancock County 28
62 Delaware County 27
62 Worth County 27
63 Butler County 24
63 Davis County 24
63 Lucas County 24
64 Mitchell County 23
64 Winneshiek County 23
65 Fremont County 22
65 Humboldt County 22
66 Keokuk County 21
66 Osceola County 21
67 Taylor County 20
68 Ida County 19
69 Sac County 18
70 Adams County 16
70 Howard County 16
70 Monroe County 16
71 Wayne County 15
72 Chickasaw County 14
72 Van Buren County 14
73 Audubon County 12
74 Grundy County 11
74 Ringgold County 11
75 Adair County 9