Ranking of South Dakota 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 South Dakota counties, Oglala Lakota County had the highest percentage of its population who identified their race as American Indian and Alaska Native Alone (93.02%), followed by Todd County (86.88%), and Buffalo County (81.78%).

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 2017
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 2017
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Rank County % of County Population
1 Oglala Lakota County 93.02
2 Todd County 86.88
3 Buffalo County 81.78
4 Dewey County 74.75
5 Ziebach County 70.69
6 Corson County 65.94
7 Bennett County 60.52
8 Mellette County 55.32
9 Jackson County 53.56
10 Lyman County 39.21
11 Roberts County 37.97
12 Charles Mix County 32.19
13 Tripp County 14.5
14 Walworth County 14.43
15 Moody County 13.82
16 Hughes County 11.73
17 Brule County 10.42
18 Pennington County 10.12
19 Marshall County 9.54
20 Day County 9.48
21 Hyde County 9.32
22 Bon Homme County 8.14
23 Gregory County 7.27
24 Stanley County 6.9
25 Fall River County 6.84
26 Custer County 4.07
27 Brown County 3.66
28 Clay County 3.63
29 Jones County 3.38
30 Davison County 3.32
31 Yankton County 3.14
32 Sully County 2.93
33 Minnehaha County 2.84
34 Meade County 2.82
34 Spink County 2.82
35 Aurora County 2.76
36 Codington County 2.63
37 Potter County 2.62
38 Perkins County 2.53
39 Haakon County 2.45
40 Butte County 2.44
41 Lawrence County 2.38
42 Douglas County 2.27
43 Harding County 2.09
44 Hutchinson County 1.55
45 Beadle County 1.46
46 Lake County 1.39
47 Grant County 1.25
48 Kingsbury County 1.18
49 Brookings County 1.15
50 Edmunds County 1.1
50 McCook County 1.1
51 Turner County 1.02
52 Campbell County 0.95
53 Union County 0.9
54 Hamlin County 0.78
55 Lincoln County 0.74
56 Miner County 0.68
57 Deuel County 0.67
58 Jerauld County 0.64
59 Clark County 0.6
60 Faulk County 0.52
60 Hand County 0.52
61 Sanborn County 0.41
62 Hanson County 0.38
63 McPherson County 0.25