RANKING · 2020 CENSUS · 19 SHOWN OF 19

Youngest by median age, South Dakota cities · 2020

South Dakota cities with the youngest median age (2023 ACS). This list covers the 19 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, SDSD11,72023.0−4%

02Brookings, SDSD25,35526.3+12%

03Box Elder, SDSD13,93627.8+6%

04Harrisburg, SDSD10,40529.1−3%

05Tea, SDSD8,01929.7+5%

06Madison, SDSD6,06534.5+4%

07Huron, SDSD14,60734.9−13%

08Sioux Falls, SDSD213,74835.3+7%

09Brandon, SDSD11,30635.4+13%

10Aberdeen, SDSD27,96136.4−0%

11Spearfish, SDSD14,15436.7+16%

12Rapid City, SDSD80,58937.4+7%

13Rapid Valley, SDSD6,97537.4+23%

14Watertown, SDSD23,73638.1+9%

15Mitchell, SDSD15,75638.5+8%

16Pierre, SDSD13,84838.5+2%

17Belle Fourche, SDSD5,79138.6+2%

18Yankton, SDSD15,81640.6+8%

19Sturgis, SDSD6,92242.5+7%

SHOWING 1–19 OF 19

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