RANKING · 2024 ACS · 19 SHOWN OF 19

Largest households, South Dakota cities

South Dakota cities ranked by average household size (2024 ACS). This list covers the 19 cities in South Dakota that qualify, ranked against each other statewide. The median across all 19 is 2.24. Biggest climber in the top 100 since 2020: Pierre, SD, up 7 places to #11.

South DakotaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Tea, SDSD8,0193.13+5%

02Harrisburg, SDSD10,4052.83+6%

03Box Elder, SDSD13,9362.68−4%

04▲1Brandon, SDSD11,3062.68−4%

05▲5Huron, SDSD14,6072.48+14%

06▲3Belle Fourche, SDSD5,7912.31−6%

07Rapid City, SDSD80,5892.300%

08Sioux Falls, SDSD213,7482.28−5%

09▲2Brookings, SDSD25,3552.26−6%

10▲4Sturgis, SDSD6,9222.24+1%

11▲7Pierre, SDSD13,8482.21−1%

12▲3Vermillion, SDSD11,7202.21+4%

13▼7Rapid Valley, SDSD6,9752.20−19%

14▼2Aberdeen, SDSD27,9612.18−1%

15▼11Madison, SDSD6,0652.17−2%

16▼3Watertown, SDSD23,7362.17−6%

17Yankton, SDSD15,8162.140%

18▼2Spearfish, SDSD14,1542.05+7%

19Mitchell, SDSD15,7562.04−5%

SHOWING 1–19 OF 19

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES