STATE ยท SD
Counties in South Dakota
South Dakota has 66 counties and county equivalents. The most populous is Minnehaha County with 206,930 people (Census 2023 estimate).
| County | Type | FIPS | Population (2023) |
|---|---|---|---|
| Aurora County | county | 46003 | 2,782 |
| Beadle County | county | 46005 | 19,591 |
| Bennett County | county | 46007 | 3,305 |
| Bon Homme County | county | 46009 | 7,065 |
| Brookings County | county | 46011 | 35,980 |
| Brown County | county | 46013 | 37,733 |
| Brule County | county | 46015 | 5,311 |
| Buffalo County | county | 46017 | 1,884 |
| Butte County | county | 46019 | 10,863 |
| Campbell County | county | 46021 | 1,340 |
| Charles Mix County | county | 46023 | 9,240 |
| Clark County | county | 46025 | 3,948 |
| Clay County | county | 46027 | 15,431 |
| Codington County | county | 46029 | 28,971 |
| Corson County | county | 46031 | 3,782 |
| Custer County | county | 46033 | 9,117 |
| Davison County | county | 46035 | 19,922 |
| Day County | county | 46037 | 5,451 |
| Deuel County | county | 46039 | 4,354 |
| Dewey County | county | 46041 | 5,208 |
| Douglas County | county | 46043 | 2,838 |
| Edmunds County | county | 46045 | 4,057 |
| Fall River County | county | 46047 | 7,393 |
| Faulk County | county | 46049 | 2,151 |
| Grant County | county | 46051 | 7,553 |
| Gregory County | county | 46053 | 4,018 |
| Haakon County | county | 46055 | 1,851 |
| Hamlin County | county | 46057 | 6,451 |
| Hand County | county | 46059 | 3,107 |
| Hanson County | county | 46061 | 3,471 |
| Harding County | county | 46063 | 1,324 |
| Hughes County | county | 46065 | 17,624 |
| Hutchinson County | county | 46067 | 7,394 |
| Hyde County | county | 46069 | 1,186 |
| Jackson County | county | 46071 | 2,776 |
| Jerauld County | county | 46073 | 1,660 |
| Jones County | county | 46075 | 855 |
| Kingsbury County | county | 46077 | 5,276 |
| Lake County | county | 46079 | 11,031 |
| Lawrence County | county | 46081 | 28,053 |
| Lincoln County | county | 46083 | 73,238 |
| Lyman County | county | 46085 | 3,705 |
| McCook County | county | 46087 | 5,809 |
| McPherson County | county | 46089 | 2,334 |
| Marshall County | county | 46091 | 4,390 |
| Meade County | county | 46093 | 30,954 |
| Mellette County | county | 46095 | 1,851 |
| Miner County | county | 46097 | 2,280 |
| Minnehaha County | county | 46099 | 206,930 |
| Moody County | county | 46101 | 6,450 |
| Oglala Lakota County | county | 46102 | 13,434 |
| Pennington County | county | 46103 | 115,903 |
| Perkins County | county | 46105 | 2,834 |
| Potter County | county | 46107 | 2,413 |
| Roberts County | county | 46109 | 10,206 |
| Sanborn County | county | 46111 | 2,399 |
| Spink County | county | 46115 | 6,166 |
| Stanley County | county | 46117 | 3,043 |
| Sully County | county | 46119 | 1,494 |
| Todd County | county | 46121 | 9,199 |
| Tripp County | county | 46123 | 5,621 |
| Turner County | county | 46125 | 9,027 |
| Union County | county | 46127 | 17,183 |
| Walworth County | county | 46129 | 5,269 |
| Yankton County | county | 46135 | 23,517 |
| Ziebach County | county | 46137 | 2,322 |
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27. Looking for yours? Find your county.