Ranking of South Dakota Counties By Voting-age Population Percentage from Census 2020
Updated on August 22, 2023.
According to the data from the US 2020 Census, as at April 2020, Custer County had the highest voting-age population percentage in South Dakota (83.25%), followed by Clay County (82.84%), and Fall River County (82.78%).
The chart below shows the top 10 counties with high voting-age population percentage, and the table below shows the ranking of all South Dakota counties based on the percentage of the population that were in the voting-age (18 years and over) group.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: South Dakota Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of South Dakota Counties By Voting-age Population Percentage from Census 2020
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| Rank | County | % of County Voting-age Population |
|---|---|---|
| 1 | Custer County | 83.25 |
| 2 | Clay County | 82.84 |
| 3 | Fall River County | 82.78 |
| 4 | Bon Homme County | 81.49 |
| 5 | Lawrence County | 80.81 |
| 6 | Potter County | 80.46 |
| 7 | Campbell County | 80.03 |
| 8 | McPherson County | 79.43 |
| 9 | Perkins County | 79.15 |
| 10 | Brookings County | 78.96 |
| 11 | Yankton County | 78.86 |
| 12 | Sully County | 78.84 |
| 13 | Hand County | 78.32 |
| 14 | Hyde County | 78.29 |
| 15 | Lake County | 78.00 |
| 16 | Faulk County | 77.74 |
| 17 | Pennington County | 77.62 |
| 18 | Gregory County | 77.49 |
| 19 | Haakon County | 77.40 |
| 20 | Miner County | 77.29 |
| 21 | Grant County | 77.24 |
| 22 | Edmunds County | 77.15 |
| 22 | Jerauld County | 77.15 |
| 23 | Kingsbury County | 77.12 |
| 24 | Walworth County | 77.08 |
| 25 | Davison County | 76.97 |
| 26 | Day County | 76.93 |
| 26 | Douglas County | 76.93 |
| 27 | Spink County | 76.73 |
| 28 | Codington County | 76.64 |
| 29 | Brule County | 76.50 |
| 30 | Brown County | 76.34 |
| 31 | Tripp County | 76.17 |
| 32 | Deuel County | 76.11 |
| 33 | Hughes County | 75.97 |
| 34 | Sanborn County | 75.84 |
| 35 | Butte County | 75.83 |
| 36 | Marshall County | 75.61 |
| 37 | Jones County | 75.35 |
| 38 | Stanley County | 75.30 |
| 39 | Union County | 75.29 |
| 40 | Harding County | 75.21 |
| 41 | Minnehaha County | 75.05 |
| 42 | Meade County | 74.88 |
| 43 | Hutchinson County | 74.59 |
| 44 | McCook County | 74.57 |
| 45 | Aurora County | 74.15 |
| 46 | Turner County | 73.94 |
| 47 | Moody County | 73.09 |
| 48 | Beadle County | 72.77 |
| 49 | Clark County | 72.43 |
| 50 | Roberts County | 71.94 |
| 51 | Lincoln County | 71.76 |
| 52 | Charles Mix County | 71.28 |
| 53 | Hanson County | 70.70 |
| 54 | Lyman County | 70.52 |
| 55 | Dewey County | 68.62 |
| 56 | Jackson County | 68.25 |
| 57 | Hamlin County | 67.67 |
| 58 | Bennett County | 67.05 |
| 59 | Mellette County | 67.00 |
| 60 | Corson County | 65.38 |
| 61 | Ziebach County | 65.06 |
| 62 | Oglala Lakota County | 62.94 |
| 63 | Buffalo County | 61.40 |
| 64 | Todd County | 60.25 |