RANKING · 2020 CENSUS · 19 SHOWN OF 19

Largest households, South Dakota cities · 2020

South Dakota cities ranked by average household size (2020 ACS). This list covers the 19 cities in South Dakota that qualify, ranked against each other statewide.

South DakotaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Tea, SDSD8,0193.42+14%

02Harrisburg, SDSD10,4053.10+17%

03Box Elder, SDSD13,9362.74−2%

04Madison, SDSD6,0652.73+24%

05Brandon, SDSD11,3062.65−5%

06Rapid Valley, SDSD6,9752.60−4%

07Rapid City, SDSD80,5892.40+4%

08Sioux Falls, SDSD213,7482.37−1%

09Belle Fourche, SDSD5,7912.34−4%

10Huron, SDSD14,6072.30+6%

11Brookings, SDSD25,3552.29−5%

12Aberdeen, SDSD27,9612.23+1%

13Watertown, SDSD23,7362.22−3%

14Sturgis, SDSD6,9222.17−2%

15Vermillion, SDSD11,7202.15+1%

16Spearfish, SDSD14,1542.11+10%

17Yankton, SDSD15,8162.11−1%

18Pierre, SDSD13,8482.08−7%

19Mitchell, SDSD15,7562.05−5%

SHOWING 1–19 OF 19

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS