# Counties in South Dakota by population, 2025

All 66 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/south-dakota-counties
- CSV: https://invokely.ai/download/rankings/population/south-dakota-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Minnehaha County | 212,691 |
| 2 | Pennington County | 116,792 |
| 3 | Lincoln County | 77,145 |
| 4 | Brookings County | 37,635 |
| 5 | Brown County | 37,561 |
| 6 | Meade County | 30,711 |
| 7 | Codington County | 29,562 |
| 8 | Lawrence County | 29,459 |
| 9 | Yankton County | 23,635 |
| 10 | Davison County | 20,069 |
| 11 | Beadle County | 19,624 |
| 12 | Hughes County | 17,570 |
| 13 | Union County | 17,402 |
| 14 | Clay County | 15,031 |
| 15 | Oglala Lakota County | 13,338 |
| 16 | Lake County | 10,993 |
| 17 | Butte County | 10,856 |
| 18 | Roberts County | 10,255 |
| 19 | Custer County | 9,431 |
| 20 | Turner County | 9,314 |
| 21 | Charles Mix County | 9,303 |
| 22 | Todd County | 8,863 |
| 23 | Grant County | 7,534 |
| 24 | Fall River County | 7,467 |
| 25 | Hutchinson County | 7,413 |
| 26 | Bon Homme County | 7,244 |
| 27 | Hamlin County | 6,900 |
| 28 | Moody County | 6,632 |
| 29 | Spink County | 6,155 |
| 30 | McCook County | 5,964 |
| 31 | Tripp County | 5,708 |
| 32 | Day County | 5,484 |
| 33 | Dewey County | 5,419 |
| 34 | Kingsbury County | 5,284 |
| 35 | Brule County | 5,278 |
| 36 | Walworth County | 5,217 |
| 37 | Marshall County | 4,426 |
| 38 | Deuel County | 4,408 |
| 39 | Gregory County | 4,037 |
| 40 | Clark County | 4,031 |
| 41 | Edmunds County | 4,022 |
| 42 | Corson County | 3,781 |
| 43 | Lyman County | 3,694 |
| 44 | Hanson County | 3,456 |
| 45 | Bennett County | 3,307 |
| 46 | Hand County | 3,121 |
| 47 | Stanley County | 3,018 |
| 48 | Douglas County | 2,888 |
| 49 | Perkins County | 2,853 |
| 50 | Aurora County | 2,801 |
| 51 | Jackson County | 2,666 |
| 52 | Ziebach County | 2,389 |
| 53 | Sanborn County | 2,388 |
| 54 | Potter County | 2,377 |
| 55 | McPherson County | 2,347 |
| 56 | Miner County | 2,281 |
| 57 | Faulk County | 2,178 |
| 58 | Mellette County | 2,137 |
| 59 | Buffalo County | 1,802 |
| 59 | Haakon County | 1,802 |
| 61 | Jerauld County | 1,654 |
| 62 | Sully County | 1,479 |
| 63 | Campbell County | 1,377 |
| 64 | Harding County | 1,331 |
| 65 | Hyde County | 1,191 |
| 66 | Jones County | 913 |