Ranking of South Dakota Counties By Population in 2020
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2020, the Population for South Dakota was 887.95K. Among all South Dakota counties, Minnehaha County had the highest population (197.72K), followed by Pennington County (109.57K), and Lincoln County (65.65K).
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), 2020 Census.
See this for other years:
Ranking of South Dakota Counties By Population in 2020
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| Rank | County | Population |
|---|---|---|
| 1 | Minnehaha County | 197718 |
| 2 | Pennington County | 109573 |
| 3 | Lincoln County | 65648 |
| 4 | Brown County | 38219 |
| 5 | Brookings County | 34349 |
| 6 | Meade County | 29903 |
| 7 | Codington County | 28355 |
| 8 | Lawrence County | 25849 |
| 9 | Yankton County | 23286 |
| 10 | Davison County | 19954 |
| 11 | Beadle County | 19166 |
| 12 | Hughes County | 17741 |
| 13 | Union County | 16857 |
| 14 | Clay County | 15003 |
| 15 | Oglala Lakota County | 13648 |
| 16 | Lake County | 11016 |
| 17 | Butte County | 10291 |
| 18 | Roberts County | 10262 |
| 19 | Charles Mix County | 9369 |
| 20 | Todd County | 9321 |
| 21 | Turner County | 8686 |
| 22 | Custer County | 8342 |
| 23 | Grant County | 7539 |
| 24 | Hutchinson County | 7425 |
| 25 | Fall River County | 6973 |
| 26 | Bon Homme County | 6972 |
| 27 | Spink County | 6342 |
| 28 | Moody County | 6339 |
| 29 | Hamlin County | 6161 |
| 30 | McCook County | 5674 |
| 31 | Tripp County | 5607 |
| 32 | Day County | 5436 |
| 33 | Walworth County | 5294 |
| 34 | Brule County | 5250 |
| 35 | Dewey County | 5225 |
| 36 | Kingsbury County | 5207 |
| 37 | Deuel County | 4302 |
| 38 | Marshall County | 4298 |
| 39 | Gregory County | 4000 |
| 40 | Edmunds County | 3997 |
| 41 | Corson County | 3888 |
| 42 | Clark County | 3851 |
| 43 | Lyman County | 3701 |
| 44 | Hanson County | 3460 |
| 45 | Bennett County | 3392 |
| 46 | Hand County | 3147 |
| 47 | Stanley County | 2970 |
| 48 | Perkins County | 2849 |
| 49 | Douglas County | 2834 |
| 50 | Jackson County | 2803 |
| 51 | Aurora County | 2740 |
| 52 | Potter County | 2474 |
| 53 | McPherson County | 2403 |
| 54 | Ziebach County | 2393 |
| 55 | Sanborn County | 2330 |
| 56 | Miner County | 2304 |
| 57 | Faulk County | 2126 |
| 58 | Buffalo County | 1938 |
| 59 | Mellette County | 1922 |
| 60 | Haakon County | 1868 |
| 61 | Jerauld County | 1643 |
| 62 | Sully County | 1452 |
| 63 | Campbell County | 1380 |
| 64 | Harding County | 1308 |
| 65 | Hyde County | 1252 |
| 66 | Jones County | 923 |