63 cities
| City | Rank | Annual Change ↓ | 2026 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Harrisburg | 1 | 7.6% | 11,881 | 6,847 |
| Tea | 2 | 6.16% | 8,709 | 5,678 |
| Deadwood | 3 | 3.51% | 1,444 | 1,152 |
| Box Elder | 4 | 3.37% | 14,857 | 11,946 |
| Spearfish | 5 | 2.78% | 14,592 | 12,225 |
| Volga | 6 | 2.78% | 2,516 | 2,108 |
| Aurora | 7 | 2.19% | 1,211 | 1,055 |
| Parker | 8 | 2.03% | 1,360 | 1,198 |
| Sioux Falls | 9 | 1.86% | 217,209 | 193,448 |
| Hartford | 10 | 1.64% | 3,720 | 3,359 |
| Rapid City | 11 | 1.53% | 82,369 | 74,943 |
| Baltic | 12 | 1.48% | 1,370 | 1,253 |
| Hot Springs | 13 | 1.42% | 3,712 | 3,399 |
| Brookings | 14 | 1.19% | 25,147 | 23,371 |
| Lennox | 15 | 1.13% | 2,596 | 2,425 |
| Belle Fourche | 16 | 0.88% | 5,958 | 5,648 |
| Watertown | 17 | 0.85% | 23,896 | 22,683 |
| Gregory | 18 | 0.78% | 1,289 | 1,231 |
| Tyndall | 19 | 0.64% | 1,096 | 1,053 |
| Fort Pierre | 20 | 0.51% | 2,179 | 2,115 |
| Winner | 21 | 0.5% | 2,992 | 2,901 |
| Lead | 22 | 0.49% | 3,067 | 2,979 |
| Huron | 23 | 0.43% | 14,641 | 14,262 |
| Eagle Butte | 24 | 0.39% | 1,280 | 1,249 |
| Yankton | 25 | 0.39% | 15,792 | 15,426 |
| Clark | 26 | 0.34% | 1,175 | 1,151 |
| Vermillion | 27 | 0.32% | 11,953 | 11,725 |
| Summerset | 28 | 0.3% | 3,031 | 2,977 |
| North Sioux City | 29 | 0.13% | 3,066 | 3,045 |
| Milbank | 30 | 0.08% | 3,550 | 3,534 |
| Springfield | 31 | 0.05% | 1,913 | 1,910 |
| Crooks | 32 | 0% | 1,369 | 1,369 |
| Flandreau | 33 | 0% | 2,371 | 2,374 |
| Mitchell | 34 | -0.08% | 15,594 | 15,675 |
| Mobridge | 35 | -0.19% | 3,206 | 3,244 |
| Chamberlain | 36 | -0.2% | 2,443 | 2,472 |
| Salem | 37 | -0.23% | 1,308 | 1,328 |
| Britton | 38 | -0.25% | 1,192 | 1,212 |
| Parkston | 39 | -0.26% | 1,534 | 1,557 |
| Lemmon | 40 | -0.26% | 1,135 | 1,153 |
| Sturgis | 41 | -0.3% | 6,972 | 7,098 |
| Madison | 42 | -0.31% | 6,048 | 6,161 |
| Clear Lake | 43 | -0.33% | 1,192 | 1,219 |
| Mission | 44 | -0.35% | 1,126 | 1,153 |
| Sisseton | 45 | -0.41% | 2,411 | 2,473 |
| Freeman | 46 | -0.46% | 1,296 | 1,331 |
| Aberdeen | 47 | -0.46% | 27,660 | 28,437 |
| Brandon | 48 | -0.48% | 10,732 | 11,046 |
| Pierre | 49 | -0.51% | 13,648 | 14,067 |
| Groton | 50 | -0.68% | 1,324 | 1,381 |
| Miller | 51 | -0.69% | 1,288 | 1,344 |
| De Smet | 52 | -0.78% | 1,021 | 1,068 |
| Elk Point | 53 | -0.83% | 2,039 | 2,144 |
| Webster | 54 | -0.85% | 1,638 | 1,721 |
| Canton | 55 | -0.85% | 2,923 | 3,075 |
| Platte | 56 | -0.89% | 1,226 | 1,295 |
| Wagner | 57 | -0.92% | 1,402 | 1,483 |
| Gettysburg | 58 | -1.05% | 1,040 | 1,105 |
| Dell Rapids | 59 | -1.06% | 3,745 | 3,984 |
| Beresford | 60 | -1.11% | 2,041 | 2,179 |
| Redfield | 61 | -1.2% | 2,050 | 2,203 |
| Garretson | 62 | -1.21% | 1,140 | 1,226 |
| Custer | 63 | -1.55% | 1,773 | 1,940 |
South Dakota's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Harrisburg leads with 7.6% annualized growth, followed by Tea (6.16%) and Deadwood (3.51%). The largest population centers are Sioux Falls (217,209), Rapid City (82,369), and Aberdeen (27,660). Of the 63 cities over 1,000 population, 33 are growing while 30 experienced population decline. Overall, cities averaged 0.46% annualized growth, with total urban population growing by 8.39% annually.