RANKING · 1990 CENSUS · 18 SHOWN OF 18

Youngest by median age, South Dakota cities · 1990

South Dakota cities with the youngest median age (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

RELATEDOldest 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

01Vermillion, SDSD11,72022.5−6%

02Brookings, SDSD25,35523.8+1%

03Box Elder, SDSD13,93624.0−9%

04Tea, SDSD8,01927.1−4%

05Harrisburg, SDSD10,40527.5−9%

06Rapid Valley, SDSD6,97527.7−9%

07Spearfish, SDSD14,15430.7−3%

08Rapid City, SDSD80,58930.9−11%

09Sioux Falls, SDSD213,74831.3−5%

10Aberdeen, SDSD27,96132.5−11%

11Watertown, SDSD23,73632.8−6%

12Pierre, SDSD13,84833.0−12%

13Mitchell, SDSD15,75633.7−6%

14Yankton, SDSD15,81633.9−10%

15Madison, SDSD6,06533.9+2%

16Belle Fourche, SDSD5,79134.4−9%

17Huron, SDSD14,60736.0−11%

18Sturgis, SDSD6,92237.9−5%

SHOWING 1–18 OF 18

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