Ranking of South Dakota Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2010

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2010, among all South Dakota counties, Oglala Lakota County had the highest percentage of its population who identified their race as American Indian and Alaska Native Alone (95.91%), followed by Todd County (88.43%), and Buffalo County (84.13%).

The chart below shows the top 10 counties, and the table below shows the ranking of all South Dakota 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 South Dakota Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2010
Oglala Lakota
Todd
Buffalo
Dewey
Ziebach
Corson
Bennett
Mellette
Jackson
Lyman
Ranking of South Dakota Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2010
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Rank County % of County Population
1 Oglala Lakota County 95.91
2 Todd County 88.43
3 Buffalo County 84.13
4 Dewey County 75.49
5 Ziebach County 74.84
6 Corson County 67.4
7 Bennett County 61.58
8 Mellette County 54.39
9 Jackson County 51.69
10 Lyman County 38.05
11 Roberts County 34.78
12 Charles Mix County 31.82
13 Walworth County 14.29
14 Tripp County 14.19
15 Moody County 14.15
16 Hughes County 10.49
17 Pennington County 9.87
18 Marshall County 9.61
19 Day County 9.53
20 Hyde County 8.93
21 Brule County 8.84
22 Gregory County 7.75
23 Bon Homme County 7.25
23 Fall River County 7.25
24 Stanley County 6.73
25 Clay County 3.23
26 Brown County 3.11
27 Custer County 2.97
28 Yankton County 2.75
29 Minnehaha County 2.6
30 Davison County 2.51
31 Meade County 2.47
32 Lawrence County 2.11
33 Douglas County 2.04
34 Butte County 2.02
35 Codington County 2
36 Jones County 1.98
37 Haakon County 1.92
38 Perkins County 1.84
39 Harding County 1.61
40 Aurora County 1.48
41 Spink County 1.28
42 Sully County 1.16
43 Beadle County 1.15
44 Brookings County 0.92
45 Potter County 0.85
46 Turner County 0.84
47 Hutchinson County 0.8
48 Lake County 0.75
49 Union County 0.57
50 Kingsbury County 0.55
51 Grant County 0.5
52 Edmunds County 0.49
52 Lincoln County 0.49
53 McCook County 0.43
54 Hanson County 0.36
55 Campbell County 0.34
55 Hamlin County 0.34
56 Hand County 0.29
56 Jerauld County 0.29
57 Sanborn County 0.26
58 Deuel County 0.25
59 Miner County 0.17
60 Faulk County 0.13
61 Clark County 0.08
62 McPherson County 0.04