Fastest Growing Cities in South Dakota (2025)

76 cities

City
Rank
Annual Change
2025 Pop.
2020 Pop.
Harrisburg18.22%11,0426,847
Dakota Dunes27.14%4,9963,231
Tea36.56%8,2045,678
Deadwood43.56%1,3951,152
Box Elder53.49%14,37211,946
Ashland Heights62.94%1,3301,082
Volga72.86%2,4482,108
Spearfish82.85%14,19712,225
Green Valley92.46%1,4591,252
Aurora102.24%1,1851,055
Rosebud112.09%2,2972,073
Parker122.07%1,3331,198
Sioux Falls131.89%213,249193,448
Hartford141.67%3,6603,359
Rapid City151.55%81,13174,943
Hot Springs161.44%3,6603,399
Baltic171.43%1,3501,253
Brookings181.21%24,85123,371
Lennox191.1%2,5672,425
Oglala200.89%1,4781,816
Belle Fourche210.87%5,9065,648
Watertown220.86%23,69422,683
Gregory230.71%1,2791,231
Tyndall240.65%1,0891,053
Winner250.51%2,9772,901
Fort Pierre260.46%2,1682,115
Lead270.46%3,0522,979
Huron280.43%14,57814,262
Eagle Butte290.39%1,2751,249
Yankton300.39%15,73115,426
Clark310.34%1,1711,151
Vermillion320.32%11,91511,725
Summerset330.3%3,0222,977
Blackhawk340.1%2,9393,029
North Sioux City350.1%3,0623,045
Milbank360.06%3,5473,534
Crooks370%1,3691,369
Springfield380%1,9121,910
Flandreau39-0.04%2,3712,374
Mitchell40-0.09%15,60715,675
Chamberlain41-0.2%2,4482,472
Mobridge42-0.22%3,2123,244
Parkston43-0.26%1,5381,557
Lemmon44-0.26%1,1381,153
Porcupine45-0.3%1,0111,381
Sturgis46-0.3%6,9937,098
Salem47-0.3%1,3111,328
Madison48-0.31%6,0676,161
Britton49-0.33%1,1951,212
Clear Lake50-0.42%1,1961,219
Mission51-0.44%1,1301,153
Sisseton52-0.45%2,4212,473
Freeman53-0.46%1,3021,331
Aberdeen54-0.47%27,78928,437
Brandon55-0.49%10,78411,046
Pierre56-0.51%13,71814,067
Colonial Pine Hills57-0.56%2,3092,720
Groton58-0.74%1,3331,381
Miller59-0.77%1,2971,344
De Smet60-0.77%1,0291,068
Webster61-0.84%1,6521,721
Elk Point62-0.87%2,0562,144
Canton63-0.87%2,9483,075
Fort Thompson64-0.88%1,1261,275
Platte65-0.96%1,2371,295
Wagner66-0.98%1,4151,483
Gettysburg67-1.04%1,0511,105
Dell Rapids68-1.05%3,7853,984
Rapid Valley69-1.09%7,0908,553
Beresford70-1.1%2,0642,179
Pine Ridge71-1.12%2,8242,984
Redfield72-1.24%2,0752,203
Garretson73-1.28%1,1541,226
North Eagle Butte74-1.48%1,5941,838
Custer75-1.53%1,8011,940
North Spearfish76-2.04%1,6842,251

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 Dakota Dunes (7.14%) and Tea (6.56%). The largest population centers are Sioux Falls (213,249), Rapid City (81,131), and Aberdeen (27,789). Of the 76 cities over 1,000 population, 38 are growing while 38 experienced population decline. Overall, cities averaged 0.49% annualized growth, with total urban population growing by 6.38% annually.