RANKING · 2025 ACS · 18 SHOWN OF 18

Most densely populated, South Dakota cities

South Dakota cities ranked by residents per square mile (2023). This list covers the 18 cities in South Dakota that qualify, ranked against each other statewide.

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South DakotaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Sioux Falls, SDSD213,7482,586+72%

02Vermillion, SDSD11,7202,514+20%

03Harrisburg, SDSD10,4052,182+986%

04Tea, SDSD8,0192,118+360%

05Brandon, SDSD11,3061,976+99%

06Yankton, SDSD15,8161,818+17%

07Brookings, SDSD25,3551,817+37%

08Aberdeen, SDSD27,9611,693+13%

09Huron, SDSD14,6071,503+23%

10Rapid City, SDSD80,5891,463+35%

11Mitchell, SDSD15,7561,367+8%

12Madison, SDSD6,0651,314−7%

13Watertown, SDSD23,7361,287+17%

14Sturgis, SDSD6,9221,078+7%

15Pierre, SDSD13,8481,063−0%

16Box Elder, SDSD13,936945+391%

17Spearfish, SDSD14,154821+64%

18Belle Fourche, SDSD5,791654+27%

SHOWING 1–18 OF 18

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES