Fastest growing counties in South Dakota.
County | Rank | Change (2020) | 2024 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Lincoln County | 1 | 14.93% | 75,452 | 65,648 |
| Lawrence County | 2 | 11.69% | 28,866 | 25,844 |
| Custer County | 3 | 10.53% | 9,213 | 8,335 |
| Pennington County | 4 | 7.24% | 117,500 | 109,566 |
| Butte County | 5 | 6.25% | 10,936 | 10,293 |
| Minnehaha County | 6 | 6.23% | 210,015 | 197,695 |
| Brookings County | 7 | 6.19% | 36,469 | 34,343 |
| Fall River County | 8 | 6.01% | 7,389 | 6,970 |
| Turner County | 9 | 5.66% | 9,166 | 8,675 |
| Hamlin County | 10 | 5.55% | 6,508 | 6,166 |
| Meade County | 11 | 4.37% | 31,206 | 29,899 |
| Sully County | 12 | 3.79% | 1,506 | 1,451 |
| Clay County | 13 | 3.74% | 15,561 | 15,000 |
| Stanley County | 14 | 3.3% | 3,069 | 2,971 |
| McCook County | 15 | 3.17% | 5,850 | 5,670 |
| Clark County | 16 | 3.11% | 3,973 | 3,853 |
| Codington County | 17 | 3.02% | 29,206 | 28,351 |
| Sanborn County | 18 | 2.97% | 2,395 | 2,326 |
| Moody County | 19 | 2.89% | 6,518 | 6,335 |
| Beadle County | 20 | 2.76% | 19,694 | 19,165 |
| Union County | 21 | 2.63% | 17,303 | 16,860 |
| Marshall County | 22 | 2.53% | 4,417 | 4,308 |
| Aurora County | 23 | 2.45% | 2,802 | 2,735 |
| Faulk County | 24 | 2.25% | 2,180 | 2,132 |
| Douglas County | 25 | 1.94% | 2,889 | 2,834 |
| Brule County | 26 | 1.53% | 5,321 | 5,241 |
| Yankton County | 27 | 1.44% | 23,622 | 23,286 |
| Kingsbury County | 28 | 1.42% | 5,273 | 5,199 |
| Edmunds County | 29 | 1.38% | 4,043 | 3,988 |
| Bon Homme County | 30 | 1.38% | 7,066 | 6,970 |
| Deuel County | 31 | 1.21% | 4,347 | 4,295 |
| Grant County | 32 | 1.09% | 7,620 | 7,538 |
| Lake County | 33 | 0.95% | 11,122 | 11,017 |
| Dewey County | 34 | 0.94% | 5,274 | 5,225 |
| Tripp County | 35 | 0.93% | 5,663 | 5,611 |
| Gregory County | 36 | 0.85% | 4,037 | 4,003 |
| Jerauld County | 37 | 0.61% | 1,658 | 1,648 |
| Perkins County | 38 | 0.6% | 2,859 | 2,842 |
| Roberts County | 39 | 0.22% | 10,273 | 10,250 |
| Hutchinson County | 40 | 0.15% | 7,437 | 7,426 |
| Haakon County | 41 | 0.11% | 1,868 | 1,866 |
| Harding County | 42 | 0.08% | 1,309 | 1,308 |
| Lyman County | 43 | 0.03% | 3,705 | 3,704 |
| Hanson County | 44 | 0% | 3,463 | 3,463 |
| Davison County | 45 | -0.1% | 19,937 | 19,956 |
| Day County | 46 | -0.31% | 5,427 | 5,444 |
| Walworth County | 47 | -0.79% | 5,252 | 5,294 |
| Hughes County | 48 | -0.98% | 17,567 | 17,740 |
| Hand County | 49 | -1.21% | 3,102 | 3,140 |
| Miner County | 50 | -1.26% | 2,275 | 2,304 |
| Charles Mix County | 51 | -1.28% | 9,248 | 9,368 |
| Buffalo County | 52 | -1.29% | 1,914 | 1,939 |
| Todd County | 53 | -1.69% | 9,165 | 9,323 |
| Brown County | 54 | -1.73% | 37,565 | 38,225 |
| Oglala Lakota County | 55 | -2.11% | 13,360 | 13,648 |
| Jackson County | 56 | -2.82% | 2,720 | 2,799 |
| Bennett County | 57 | -3.28% | 3,277 | 3,388 |
| Spink County | 58 | -3.72% | 6,104 | 6,340 |
| Potter County | 59 | -3.76% | 2,380 | 2,473 |
| Corson County | 60 | -3.8% | 3,747 | 3,895 |
| Campbell County | 61 | -3.85% | 1,325 | 1,378 |
| Mellette County | 62 | -4.74% | 1,829 | 1,920 |
| McPherson County | 63 | -5.41% | 2,272 | 2,402 |
| Ziebach County | 64 | -6.05% | 2,250 | 2,395 |
| Hyde County | 65 | -6.16% | 1,173 | 1,250 |
| Jones County | 66 | -9.83% | 835 | 926 |