Ranking of South Dakota Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2012

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2012, 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 (92.67%), followed by Todd County (85.76%), and Buffalo County (79.96%).

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 2012
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 2012
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Rank County % of County Population
1 Oglala Lakota County 92.67
2 Todd County 85.76
3 Buffalo County 79.96
4 Dewey County 72.4
5 Ziebach County 69.82
6 Corson County 62.9
7 Bennett County 59.72
8 Mellette County 52.92
9 Jackson County 50.19
10 Lyman County 38.17
11 Roberts County 35.37
12 Charles Mix County 30.95
13 Tripp County 13.17
14 Walworth County 13.09
15 Moody County 12.68
16 Hughes County 9.73
17 Pennington County 8.89
18 Day County 8.82
19 Brule County 8.39
20 Hyde County 7.84
21 Stanley County 7.82
22 Bon Homme County 7.23
23 Marshall County 7.22
24 Gregory County 6.85
25 Fall River County 6.34
26 Brown County 3.08
27 Custer County 2.96
28 Clay County 2.91
29 Davison County 2.62
30 Yankton County 2.55
31 Meade County 2.4
32 Minnehaha County 2.36
33 Jones County 2.32
34 Douglas County 2.07
35 Lawrence County 1.98
36 Haakon County 1.93
37 Harding County 1.92
38 Perkins County 1.91
39 Sully County 1.82
40 Codington County 1.81
41 Aurora County 1.59
42 Butte County 1.44
43 Spink County 1.26
44 Potter County 1.15
45 Brookings County 1.06
46 Beadle County 0.91
47 Lake County 0.75
48 Hutchinson County 0.74
49 Grant County 0.66
50 Kingsbury County 0.59
51 Union County 0.58
52 Campbell County 0.57
52 Turner County 0.57
53 McCook County 0.56
54 Edmunds County 0.5
55 Lincoln County 0.48
56 Sanborn County 0.43
57 Hanson County 0.39
57 Jerauld County 0.39
58 Hand County 0.36
59 Deuel County 0.34
60 Hamlin County 0.32
61 Miner County 0.26
62 Clark County 0.14
63 Faulk County 0.13
64 McPherson County 0.08