Ranking of South Dakota Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2019

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2019, 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 (89.54%), followed by Todd County (83.75%), and Buffalo County (77.6%).

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 2019
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 2019
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Rank County % of County Population
1 Oglala Lakota County 89.54
2 Todd County 83.75
3 Buffalo County 77.6
4 Dewey County 71.44
5 Ziebach County 68.01
6 Corson County 62.34
7 Bennett County 56.12
8 Mellette County 53.68
9 Jackson County 51.54
10 Lyman County 38.26
11 Roberts County 35.94
12 Charles Mix County 30.03
13 Tripp County 14.33
14 Walworth County 13.56
15 Moody County 12.36
16 Hughes County 11.2
17 Day County 9.18
18 Brule County 9.04
19 Pennington County 8.73
20 Hyde County 8.26
21 Bon Homme County 7.87
22 Gregory County 6.98
23 Stanley County 6.65
24 Marshall County 6.45
25 Fall River County 5.8
26 Jones County 5.49
27 Custer County 3.3
28 Clay County 3.16
29 Brown County 3.08
30 Davison County 2.99
31 Sully County 2.98
32 Haakon County 2.79
33 Yankton County 2.75
34 Meade County 2.57
35 Aurora County 2.55
36 Perkins County 2.47
37 Harding County 2.37
38 Minnehaha County 2.35
39 Douglas County 2.34
40 Potter County 2.19
41 Codington County 2.16
42 Lawrence County 2.04
43 Butte County 1.97
44 Spink County 1.45
45 Campbell County 1.16
46 Lake County 1.13
47 Edmunds County 1.06
48 Beadle County 1.04
49 Hutchinson County 1.03
50 Brookings County 0.98
51 Grant County 0.93
52 McCook County 0.83
53 Kingsbury County 0.82
54 Jerauld County 0.75
55 Union County 0.68
56 Turner County 0.67
57 Deuel County 0.65
58 Hanson County 0.64
59 Hamlin County 0.59
60 Lincoln County 0.57
61 Sanborn County 0.51
62 Hand County 0.47
63 Miner County 0.45
64 Faulk County 0.35
65 McPherson County 0.34
66 Clark County 0.29