Ranking of South Dakota Counties By Percentage of Population that are American Indian and Alaska Native Alone in 2023

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2023, 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 (89.89%), followed by Todd County (84.26%), and Buffalo County (79.72%).

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 2023
Oglala Lakota
Todd
Buffalo
Dewey
Ziebach
Corson
Bennett
Jackson
Mellette
Lyman
Ranking of South Dakota Counties By Percentage of Pop. that are American Indian and Alaska Native Alone in 2023
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Rank County % of County Population
1 Oglala Lakota County 89.89
2 Todd County 84.26
3 Buffalo County 79.72
4 Dewey County 72.62
5 Ziebach County 67.18
6 Corson County 64.01
7 Bennett County 59.24
8 Jackson County 53.31
9 Mellette County 52.62
10 Lyman County 37.46
11 Roberts County 36.8
12 Charles Mix County 30.65
13 Tripp County 15.26
14 Walworth County 15.03
15 Moody County 13.81
16 Hughes County 12.76
17 Brule County 12.05
18 Hyde County 11.21
19 Pennington County 10.2
20 Day County 9.32
21 Marshall County 9.27
22 Bon Homme County 8.27
23 Gregory County 7.82
24 Jones County 7.02
25 Stanley County 6.54
26 Fall River County 6.33
27 Clay County 4.06
28 Sully County 3.95
29 Davison County 3.92
30 Brown County 3.91
31 Custer County 3.6
32 Potter County 3.56
33 Haakon County 3.46
34 Aurora County 3.45
35 Meade County 3.42
36 Yankton County 3.29
37 Codington County 3.26
38 Minnehaha County 3.04
39 Harding County 2.95
40 Butte County 2.82
41 Douglas County 2.68
42 Beadle County 2.37
43 Lawrence County 2.26
43 Perkins County 2.26
44 Campbell County 2.09
45 Lake County 2.05
46 Grant County 1.95
47 Spink County 1.9
48 Hutchinson County 1.89
49 McCook County 1.84
50 Brookings County 1.55
51 Clark County 1.39
52 Kingsbury County 1.37
53 Turner County 1.35
54 Edmunds County 1.28
55 Jerauld County 1.21
56 Union County 1.15
57 McPherson County 1.11
58 Miner County 0.97
59 Hamlin County 0.96
59 Sanborn County 0.96
60 Lincoln County 0.95
61 Deuel County 0.9
62 Hanson County 0.89
63 Faulk County 0.88
64 Hand County 0.68