Ranking of South Dakota Counties By American Indian and Alaska Native Alone Population in 2018

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2018, among all South Dakota counties, Oglala Lakota County had the highest number of people who identified their race as American Indian and Alaska Native Alone (13.31K), followed by Pennington County (11.45K), and Todd County (8.96K).

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 American Indian and Alaska Native Alone Population in 2018
Oglala Lakota
Pennington
Todd
Minnehaha
Dewey
Roberts
Charles Mix
Corson
Bennett
Hughes
Ranking of South Dakota Counties By American Indian and Alaska Native Alone Population in 2018
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Rank County American Indian and Alaska Native Alone Population
1 Oglala Lakota County 13311
2 Pennington County 11448
3 Todd County 8962
4 Minnehaha County 5472
5 Dewey County 4423
6 Roberts County 4015
7 Charles Mix County 3010
8 Corson County 2758
9 Bennett County 2118
10 Hughes County 2116
11 Ziebach County 1950
12 Jackson County 1775
13 Buffalo County 1651
14 Lyman County 1479
15 Brown County 1398
16 Mellette County 1145
17 Moody County 890
18 Meade County 835
19 Tripp County 819
20 Walworth County 804
21 Codington County 799
22 Yankton County 745
23 Davison County 657
24 Lawrence County 618
25 Bon Homme County 585
26 Clay County 564
27 Brule County 513
28 Day County 510
29 Marshall County 487
30 Lincoln County 440
31 Fall River County 432
32 Brookings County 428
33 Custer County 341
34 Gregory County 325
35 Beadle County 296
36 Butte County 265
37 Stanley County 208
38 Lake County 184
39 Spink County 176
40 Union County 137
41 Hutchinson County 112
42 Hyde County 109
43 Grant County 105
44 Turner County 98
45 Aurora County 77
46 Douglas County 72
47 Perkins County 70
48 McCook County 65
49 Potter County 63
50 Kingsbury County 56
51 Haakon County 52
52 Hamlin County 51
53 Edmunds County 49
54 Sully County 43
55 Jones County 40
56 Deuel County 32
57 Harding County 28
58 Clark County 25
59 Hand County 17
60 Jerauld County 16
61 Campbell County 15
61 Miner County 15
62 Hanson County 13
63 Faulk County 12
64 Sanborn County 11
65 McPherson County 6