Ranking of South Dakota Counties By Population in 2021
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2021, the Population for South Dakota was 896.49K. Among all South Dakota counties, Minnehaha County had the highest population (199.95K), followed by Pennington County (111.90K), and Lincoln County (68.00K).
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 related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: South Dakota Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of South Dakota Counties By Population in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Minnehaha County | 199947 |
| 2 | Pennington County | 111903 |
| 3 | Lincoln County | 68002 |
| 4 | Brown County | 38108 |
| 5 | Brookings County | 34705 |
| 6 | Meade County | 30298 |
| 7 | Codington County | 28492 |
| 8 | Lawrence County | 26169 |
| 9 | Yankton County | 23358 |
| 10 | Davison County | 19901 |
| 11 | Beadle County | 19185 |
| 12 | Hughes County | 17762 |
| 13 | Union County | 16875 |
| 14 | Clay County | 15170 |
| 15 | Oglala Lakota County | 13559 |
| 16 | Lake County | 10862 |
| 17 | Butte County | 10544 |
| 18 | Roberts County | 10180 |
| 19 | Todd County | 9298 |
| 20 | Charles Mix County | 9187 |
| 21 | Turner County | 8693 |
| 22 | Custer County | 8648 |
| 23 | Grant County | 7554 |
| 24 | Hutchinson County | 7379 |
| 25 | Fall River County | 7217 |
| 26 | Bon Homme County | 7002 |
| 27 | Moody County | 6307 |
| 28 | Spink County | 6265 |
| 29 | Hamlin County | 6261 |
| 30 | McCook County | 5725 |
| 31 | Tripp County | 5577 |
| 32 | Day County | 5418 |
| 33 | Walworth County | 5261 |
| 34 | Brule County | 5252 |
| 35 | Dewey County | 5221 |
| 36 | Kingsbury County | 5210 |
| 37 | Marshall County | 4314 |
| 38 | Deuel County | 4299 |
| 39 | Edmunds County | 4044 |
| 40 | Gregory County | 3954 |
| 41 | Clark County | 3871 |
| 42 | Corson County | 3842 |
| 43 | Lyman County | 3760 |
| 44 | Hanson County | 3507 |
| 45 | Bennett County | 3393 |
| 46 | Hand County | 3087 |
| 47 | Stanley County | 3034 |
| 48 | Jackson County | 2867 |
| 49 | Perkins County | 2833 |
| 50 | Douglas County | 2813 |
| 51 | Aurora County | 2741 |
| 52 | Potter County | 2473 |
| 53 | McPherson County | 2419 |
| 54 | Ziebach County | 2383 |
| 55 | Sanborn County | 2379 |
| 56 | Miner County | 2311 |
| 57 | Faulk County | 2118 |
| 58 | Mellette County | 1900 |
| 59 | Buffalo County | 1894 |
| 60 | Haakon County | 1837 |
| 61 | Jerauld County | 1641 |
| 62 | Sully County | 1472 |
| 63 | Campbell County | 1378 |
| 64 | Harding County | 1325 |
| 65 | Hyde County | 1232 |
| 66 | Jones County | 876 |