Ranking of South Dakota Counties By Percentage of Population that are American Indian and Alaska Native Alone 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 race as American Indian and Alaska Native Alone (92.7%), followed by Todd County (86.51%), and Buffalo County (81.08%).

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 2019
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 2019
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Rank County % of County Population
1 Oglala Lakota County 92.7
2 Todd County 86.51
3 Buffalo County 81.08
4 Dewey County 74.56
5 Ziebach County 71.01
6 Corson County 66
7 Bennett County 59.69
8 Mellette County 55.71
9 Jackson County 53.91
10 Lyman County 39.93
11 Roberts County 38.26
12 Charles Mix County 32.49
13 Tripp County 15.69
14 Walworth County 14.19
15 Moody County 13.7
16 Hughes County 12.03
17 Pennington County 10.17
18 Brule County 10.15
19 Marshall County 9.75
20 Day County 9.57
21 Hyde County 8.96
22 Bon Homme County 8.23
23 Gregory County 7.46
24 Stanley County 7
25 Fall River County 6.73
26 Jones County 5.93
27 Custer County 3.89
28 Clay County 3.76
29 Sully County 3.49
30 Brown County 3.48
31 Yankton County 3.38
32 Davison County 3.34
33 Meade County 3.06
34 Potter County 2.93
35 Aurora County 2.87
36 Minnehaha County 2.86
37 Codington County 2.84
38 Haakon County 2.79
39 Spink County 2.73
40 Perkins County 2.72
41 Butte County 2.62
42 Douglas County 2.58
43 Harding County 2.53
44 Lawrence County 2.34
45 Beadle County 1.7
46 Hutchinson County 1.54
47 Campbell County 1.52
48 Lake County 1.41
49 McCook County 1.3
50 Edmunds County 1.27
50 Grant County 1.27
51 Brookings County 1.21
52 Kingsbury County 1.2
53 Turner County 1.07
54 Union County 0.92
55 Deuel County 0.88
55 Hamlin County 0.88
56 Jerauld County 0.84
57 Lincoln County 0.76
58 Miner County 0.72
59 Clark County 0.7
60 Hanson County 0.69
61 Faulk County 0.52
62 Hand County 0.51
62 Sanborn County 0.51
63 McPherson County 0.42