RANKING · 1990 CENSUS · 18 SHOWN OF 18

Most densely populated, South Dakota cities · 1990

South Dakota cities ranked by residents per square mile (1990). This list covers the 18 cities in South Dakota that qualify, ranked against each other statewide. The median across all 18 is 991.

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South DakotaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Vermillion, SDSD11,7202,153–

02Aberdeen, SDSD27,9611,509–

03Yankton, SDSD15,8161,460–

04Madison, SDSD6,0651,356–

05Huron, SDSD14,6071,281–

06Sioux Falls, SDSD213,7481,219–

07Mitchell, SDSD15,7561,197–

08Brookings, SDSD25,3551,166–

09Pierre, SDSD13,848991–

10Rapid City, SDSD80,589990–

11Watertown, SDSD23,736954–

12Rapid Valley, SDSD6,975923–

13Sturgis, SDSD6,922830–

14Belle Fourche, SDSD5,791490–

15Spearfish, SDSD14,154404–

16Tea, SDSD8,019209–

17Box Elder, SDSD13,936182–

18Harrisburg, SDSD10,405151–

SHOWING 1–18 OF 18

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