Ranking of South Dakota Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2020
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2020, 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 (88.52%), followed by Todd County (83.66%), and Buffalo County (79.94%).
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.
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Related Topics: South Dakota Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of South Dakota Counties By Percentage of Pop. that are
Non-Hispanic American Indian and Alaska Native in 2020
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Oglala Lakota County | 88.52 |
| 2 | Todd County | 83.66 |
| 3 | Buffalo County | 79.94 |
| 4 | Dewey County | 72.96 |
| 5 | Ziebach County | 66.51 |
| 6 | Corson County | 64.42 |
| 7 | Bennett County | 55.99 |
| 8 | Mellette County | 53.59 |
| 9 | Jackson County | 51.2 |
| 10 | Lyman County | 37.26 |
| 11 | Roberts County | 36.22 |
| 12 | Charles Mix County | 29.61 |
| 13 | Tripp County | 14.33 |
| 14 | Walworth County | 12.86 |
| 15 | Moody County | 12.61 |
| 16 | Hughes County | 11.37 |
| 17 | Brule County | 10.32 |
| 18 | Hyde County | 8.8 |
| 19 | Day County | 8.62 |
| 20 | Pennington County | 8.55 |
| 21 | Bon Homme County | 7.58 |
| 22 | Gregory County | 7.44 |
| 23 | Marshall County | 6.66 |
| 24 | Stanley County | 6.63 |
| 25 | Fall River County | 5.81 |
| 26 | Jones County | 5.4 |
| 27 | Clay County | 3.25 |
| 28 | Brown County | 3.11 |
| 29 | Custer County | 2.81 |
| 30 | Sully County | 2.76 |
| 31 | Davison County | 2.7 |
| 32 | Haakon County | 2.68 |
| 32 | Meade County | 2.68 |
| 33 | Harding County | 2.6 |
| 34 | Douglas County | 2.51 |
| 35 | Yankton County | 2.48 |
| 36 | Aurora County | 2.34 |
| 37 | Perkins County | 2.32 |
| 38 | Minnehaha County | 2.3 |
| 39 | Potter County | 2.26 |
| 40 | Codington County | 2.2 |
| 41 | Butte County | 2.1 |
| 42 | Lawrence County | 1.93 |
| 43 | Campbell County | 1.23 |
| 44 | Hutchinson County | 1.2 |
| 45 | Lake County | 1.13 |
| 46 | Beadle County | 1.08 |
| 47 | Brookings County | 0.99 |
| 47 | Sanborn County | 0.99 |
| 48 | Grant County | 0.94 |
| 49 | Spink County | 0.92 |
| 50 | Jerauld County | 0.91 |
| 51 | Edmunds County | 0.9 |
| 52 | McCook County | 0.81 |
| 53 | Deuel County | 0.79 |
| 54 | Kingsbury County | 0.77 |
| 55 | Turner County | 0.73 |
| 56 | Hanson County | 0.72 |
| 57 | Hamlin County | 0.67 |
| 58 | Union County | 0.61 |
| 59 | Lincoln County | 0.56 |
| 60 | Hand County | 0.51 |
| 61 | Clark County | 0.49 |
| 62 | Faulk County | 0.47 |
| 63 | Miner County | 0.39 |
| 64 | McPherson County | 0.38 |
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