Ranking of South Dakota Counties By Percentage of Population that are Non-Hispanic American Indian and Alaska Native in 2017
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2017, 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 (90.29%), followed by Todd County (84.05%), and Buffalo County (78.5%).
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 2017
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Oglala Lakota County | 90.29 |
| 2 | Todd County | 84.05 |
| 3 | Buffalo County | 78.5 |
| 4 | Dewey County | 71.8 |
| 5 | Ziebach County | 67.49 |
| 6 | Corson County | 62.53 |
| 7 | Bennett County | 57.62 |
| 8 | Mellette County | 52.86 |
| 9 | Jackson County | 51.21 |
| 10 | Lyman County | 37.71 |
| 11 | Roberts County | 35.84 |
| 12 | Charles Mix County | 30.09 |
| 13 | Walworth County | 13.72 |
| 14 | Tripp County | 13.55 |
| 15 | Moody County | 12.48 |
| 16 | Hughes County | 10.64 |
| 17 | Brule County | 9.6 |
| 18 | Day County | 8.97 |
| 19 | Pennington County | 8.76 |
| 20 | Hyde County | 8.62 |
| 21 | Bon Homme County | 7.75 |
| 22 | Gregory County | 6.77 |
| 23 | Marshall County | 6.7 |
| 24 | Stanley County | 6.66 |
| 25 | Fall River County | 5.87 |
| 26 | Custer County | 3.5 |
| 27 | Brown County | 3.32 |
| 28 | Clay County | 3.15 |
| 29 | Jones County | 3.05 |
| 30 | Davison County | 3.01 |
| 31 | Yankton County | 2.64 |
| 32 | Haakon County | 2.45 |
| 33 | Meade County | 2.44 |
| 34 | Aurora County | 2.43 |
| 34 | Sully County | 2.43 |
| 35 | Minnehaha County | 2.3 |
| 35 | Perkins County | 2.3 |
| 36 | Douglas County | 2.09 |
| 37 | Lawrence County | 2.07 |
| 38 | Codington County | 2.04 |
| 39 | Harding County | 1.93 |
| 40 | Potter County | 1.9 |
| 41 | Butte County | 1.82 |
| 42 | Spink County | 1.4 |
| 43 | Lake County | 1.09 |
| 44 | Brookings County | 0.98 |
| 44 | Hutchinson County | 0.98 |
| 45 | Beadle County | 0.95 |
| 45 | Campbell County | 0.95 |
| 46 | Grant County | 0.93 |
| 47 | Edmunds County | 0.92 |
| 48 | Kingsbury County | 0.87 |
| 49 | McCook County | 0.72 |
| 50 | Union County | 0.69 |
| 51 | Turner County | 0.64 |
| 52 | Jerauld County | 0.55 |
| 52 | Lincoln County | 0.55 |
| 53 | Hamlin County | 0.48 |
| 54 | Hand County | 0.46 |
| 55 | Deuel County | 0.44 |
| 56 | Miner County | 0.41 |
| 56 | Sanborn County | 0.41 |
| 57 | Faulk County | 0.34 |
| 58 | Hanson County | 0.32 |
| 59 | Clark County | 0.22 |
| 60 | McPherson County | 0.17 |
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