RANKING · 2020 CENSUS · 19 SHOWN OF 19

Most densely populated, South Dakota cities · 2020

South Dakota cities ranked by residents per square mile (2020). This list covers the 19 cities in South Dakota that qualify, ranked against each other statewide. The median across all 19 is 1,359.

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South DakotaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Vermillion, SDSD11,7202,509+20%

02Sioux Falls, SDSD213,7482,329+55%

03Brandon, SDSD11,3061,931+94%

04Yankton, SDSD15,8161,772+14%

05Aberdeen, SDSD27,9611,725+16%

06Brookings, SDSD25,3551,675+26%

07Tea, SDSD8,0191,478+221%

08Huron, SDSD14,6071,468+20%

09Harrisburg, SDSD10,4051,412+603%

10Mitchell, SDSD15,7561,359+8%

11Rapid City, SDSD80,5891,357+25%

12Madison, SDSD6,0651,341−5%

13Rapid Valley, SDSD6,9751,252+15%

14Watertown, SDSD23,7361,229+12%

15Sturgis, SDSD6,9221,093+9%

16Pierre, SDSD13,8481,082+2%

17Box Elder, SDSD13,936796+313%

18Spearfish, SDSD14,154707+42%

19Belle Fourche, SDSD5,791634+23%

SHOWING 1–19 OF 19

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS