Ranking of South Dakota Counties By Total Voting-age Population (18yrs and over) from Census 2020
Updated on August 22, 2023.
According to the data from the US 2020 Census, as at April 2020, among all the counties in South Dakota, Minnehaha County had the highest voting-age population (18 years and over) (148.00K), followed by Pennington County (84.78K), and Lincoln County (46.76K).
The chart below shows the top 10 counties with high voting-age population, and the table below shows the ranking of all South Dakota counties based on voting-age population.
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 Total Voting-age Population from Census 2020
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| Rank | County | Voting-age Population |
|---|---|---|
| 1 | Minnehaha County | 148004 |
| 2 | Pennington County | 84782 |
| 3 | Lincoln County | 46756 |
| 4 | Brown County | 29240 |
| 5 | Brookings County | 27141 |
| 6 | Meade County | 22354 |
| 7 | Codington County | 21707 |
| 8 | Lawrence County | 20823 |
| 9 | Yankton County | 18382 |
| 10 | Davison County | 15361 |
| 11 | Beadle County | 13934 |
| 12 | Hughes County | 13497 |
| 13 | Union County | 12657 |
| 14 | Clay County | 12399 |
| 15 | Lake County | 8626 |
| 16 | Oglala Lakota County | 8605 |
| 17 | Butte County | 7767 |
| 18 | Roberts County | 7395 |
| 19 | Custer County | 6925 |
| 20 | Charles Mix County | 6681 |
| 21 | Turner County | 6413 |
| 22 | Grant County | 5836 |
| 23 | Fall River County | 5772 |
| 24 | Bon Homme County | 5707 |
| 25 | Todd County | 5615 |
| 26 | Hutchinson County | 5540 |
| 27 | Spink County | 4881 |
| 28 | Moody County | 4631 |
| 29 | Tripp County | 4284 |
| 30 | McCook County | 4237 |
| 31 | Day County | 4192 |
| 32 | Hamlin County | 4171 |
| 33 | Walworth County | 4097 |
| 34 | Brule County | 4014 |
| 35 | Kingsbury County | 4000 |
| 36 | Dewey County | 3595 |
| 37 | Deuel County | 3269 |
| 38 | Marshall County | 3256 |
| 39 | Gregory County | 3095 |
| 40 | Edmunds County | 3075 |
| 41 | Clark County | 2779 |
| 42 | Lyman County | 2622 |
| 43 | Corson County | 2551 |
| 44 | Hand County | 2463 |
| 45 | Hanson County | 2447 |
| 46 | Bennett County | 2267 |
| 47 | Perkins County | 2244 |
| 47 | Stanley County | 2244 |
| 48 | Douglas County | 2181 |
| 49 | Aurora County | 2037 |
| 50 | Potter County | 1989 |
| 51 | Jackson County | 1915 |
| 51 | McPherson County | 1915 |
| 52 | Miner County | 1776 |
| 53 | Sanborn County | 1767 |
| 54 | Faulk County | 1652 |
| 55 | Ziebach County | 1570 |
| 56 | Haakon County | 1449 |
| 57 | Mellette County | 1285 |
| 58 | Jerauld County | 1283 |
| 59 | Buffalo County | 1196 |
| 60 | Sully County | 1140 |
| 61 | Campbell County | 1102 |
| 62 | Hyde County | 988 |
| 63 | Harding County | 986 |
| 64 | Jones County | 691 |