Fastest Growing Cities in South Dakota (2025)

63 cities

City
Rank
Annual Change
2025 Pop.
2020 Pop.
Harrisburg18.22%11,0426,847
Tea26.56%8,2045,678
Deadwood33.56%1,3951,152
Box Elder43.49%14,37211,946
Volga52.86%2,4482,108
Spearfish62.85%14,19712,225
Aurora72.24%1,1851,055
Parker82.07%1,3331,198
Sioux Falls91.89%213,249193,448
Hartford101.67%3,6603,359
Rapid City111.55%81,13174,943
Hot Springs121.44%3,6603,399
Baltic131.43%1,3501,253
Brookings141.21%24,85123,371
Lennox151.1%2,5672,425
Belle Fourche160.87%5,9065,648
Watertown170.86%23,69422,683
Gregory180.71%1,2791,231
Tyndall190.65%1,0891,053
Winner200.51%2,9772,901
Fort Pierre210.46%2,1682,115
Lead220.46%3,0522,979
Huron230.43%14,57814,262
Eagle Butte240.39%1,2751,249
Yankton250.39%15,73115,426
Clark260.34%1,1711,151
Vermillion270.32%11,91511,725
Summerset280.3%3,0222,977
North Sioux City290.1%3,0623,045
Milbank300.06%3,5473,534
Crooks310%1,3691,369
Springfield320%1,9121,910
Flandreau33-0.04%2,3712,374
Mitchell34-0.09%15,60715,675
Chamberlain35-0.2%2,4482,472
Mobridge36-0.22%3,2123,244
Parkston37-0.26%1,5381,557
Lemmon38-0.26%1,1381,153
Sturgis39-0.3%6,9937,098
Salem40-0.3%1,3111,328
Madison41-0.31%6,0676,161
Britton42-0.33%1,1951,212
Clear Lake43-0.42%1,1961,219
Mission44-0.44%1,1301,153
Sisseton45-0.45%2,4212,473
Freeman46-0.46%1,3021,331
Aberdeen47-0.47%27,78928,437
Brandon48-0.49%10,78411,046
Pierre49-0.51%13,71814,067
Groton50-0.74%1,3331,381
Miller51-0.77%1,2971,344
De Smet52-0.77%1,0291,068
Webster53-0.84%1,6521,721
Elk Point54-0.87%2,0562,144
Canton55-0.87%2,9483,075
Platte56-0.96%1,2371,295
Wagner57-0.98%1,4151,483
Gettysburg58-1.04%1,0511,105
Dell Rapids59-1.05%3,7853,984
Beresford60-1.1%2,0642,179
Redfield61-1.24%2,0752,203
Garretson62-1.28%1,1541,226
Custer63-1.53%1,8011,940

South Dakota Growth Overview

South Dakota's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Harrisburg leads with 8.22% annualized growth, followed by Tea (6.56%) and Deadwood (3.56%). The largest population centers are Sioux Falls (213,249), Rapid City (81,131), and Aberdeen (27,789). Of the 63 cities over 1,000 population, 32 are growing while 31 experienced population decline. Overall, cities averaged 0.47% annualized growth, with total urban population growing by 6.99% annually.