Ranking of South Dakota Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native 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 ethnicity as Non-Hispanic American Indian and Alaska Native (93.86%), followed by Todd County (86.3%), and Buffalo County (82.47%).

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 Non-Hispanic American Indian and Alaska Native in 2010
Oglala Lakota
Todd
Buffalo
Dewey
Ziebach
Corson
Bennett
Mellette
Jackson
Lyman
Ranking of South Dakota Counties By Percentage of Pop. that are Non-Hispanic American Indian and Alaska Native in 2010
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Rank County % of County Population
1 Oglala Lakota County 93.86
2 Todd County 86.3
3 Buffalo County 82.47
4 Dewey County 73.99
5 Ziebach County 72.08
6 Corson County 64.89
7 Bennett County 60.42
8 Mellette County 53.55
9 Jackson County 50.8
10 Lyman County 37.44
11 Roberts County 34.15
12 Charles Mix County 30.83
13 Walworth County 14.18
14 Moody County 13.75
15 Tripp County 13.71
16 Hughes County 10.11
17 Day County 9.37
18 Pennington County 8.93
19 Brule County 8.43
20 Hyde County 8.37
21 Gregory County 7.42
22 Marshall County 7.32
23 Bon Homme County 7.07
24 Fall River County 6.79
25 Stanley County 6.66
26 Clay County 3.02
27 Brown County 2.97
28 Custer County 2.76
29 Yankton County 2.47
30 Davison County 2.39
31 Minnehaha County 2.31
32 Meade County 2.27
33 Jones County 1.98
34 Haakon County 1.92
35 Lawrence County 1.91
36 Douglas County 1.87
37 Codington County 1.83
38 Butte County 1.73
39 Perkins County 1.71
40 Harding County 1.45
41 Aurora County 1.41
42 Spink County 1.25
43 Sully County 1.16
44 Beadle County 0.93
45 Potter County 0.85
46 Brookings County 0.83
47 Lake County 0.65
48 Turner County 0.6
49 Hutchinson County 0.59
50 Union County 0.54
51 Kingsbury County 0.53
52 Grant County 0.5
53 Edmunds County 0.47
54 Lincoln County 0.45
55 McCook County 0.41
56 Campbell County 0.34
57 Hanson County 0.33
58 Hamlin County 0.32
59 Sanborn County 0.26
60 Deuel County 0.25
61 Jerauld County 0.24
62 Hand County 0.23
63 Miner County 0.17
64 Faulk County 0.13
65 Clark County 0.05
66 McPherson County 0.04