RANKING · 1990 CENSUS · 18 SHOWN OF 18

Oldest by median age, South Dakota cities · 1990

South Dakota cities ranked by median age of residents (2023 ACS). This list covers the 18 cities in South Dakota that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros ZIP codes

RELATEDYoungest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Sturgis, SDSD6,92237.9−5%

02Huron, SDSD14,60736.0−11%

03Belle Fourche, SDSD5,79134.4−9%

04Madison, SDSD6,06533.9+2%

05Yankton, SDSD15,81633.9−10%

06Mitchell, SDSD15,75633.7−6%

07Pierre, SDSD13,84833.0−12%

08Watertown, SDSD23,73632.8−6%

09Aberdeen, SDSD27,96132.5−11%

10Sioux Falls, SDSD213,74831.3−5%

11Rapid City, SDSD80,58930.9−11%

12Spearfish, SDSD14,15430.7−3%

13Rapid Valley, SDSD6,97527.7−9%

14Harrisburg, SDSD10,40527.5−9%

15Tea, SDSD8,01927.1−4%

16Box Elder, SDSD13,93624.0−9%

17Brookings, SDSD25,35523.8+1%

18Vermillion, SDSD11,72022.5−6%

SHOWING 1–18 OF 18

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