RANKING · 2024 ACS · 19 SHOWN OF 19

Oldest by median age, South Dakota cities

South Dakota cities ranked by median age of residents (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

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

01Rapid Valley, SDSD6,97543.2+42%

02Yankton, SDSD15,81641.4+10%

03Sturgis, SDSD6,92240.3+1%

04Madison, SDSD6,06540.1+21%

05Spearfish, SDSD14,15440.0+26%

06Mitchell, SDSD15,75639.6+11%

07Watertown, SDSD23,73639.5+13%

08Pierre, SDSD13,84839.4+5%

09Rapid City, SDSD80,58939.1+12%

10Belle Fourche, SDSD5,79138.3+1%

11Brandon, SDSD11,30636.7+17%

12Aberdeen, SDSD27,96136.4−0%

13Huron, SDSD14,60736.1−10%

14Sioux Falls, SDSD213,74835.5+8%

15Harrisburg, SDSD10,40531.1+3%

16Tea, SDSD8,01930.6+9%

17Box Elder, SDSD13,93628.8+10%

18Brookings, SDSD25,35524.7+5%

19Vermillion, SDSD11,72023.1−3%

SHOWING 1–19 OF 19

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