RANKING · 2020 CENSUS · 66 SHOWN OF 66

Largest households, South Dakota counties · 2020

South Dakota counties ranked by average household size (2023 ACS). This list covers the 66 counties in South Dakota that qualify, ranked against each other statewide.

South DakotaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

01Oglala Lakota County, SDSD13,3384.97–

02Jackson County, SDSD2,6663.87–

03Todd County, SDSD8,8633.82–

04Buffalo County, SDSD1,8023.71–

05Ziebach County, SDSD2,3893.57–

06Corson County, SDSD3,7813.41–

07Dewey County, SDSD5,4193.34–

08Hanson County, SDSD3,4563.29–

09Bennett County, SDSD3,3073.27–

10Mellette County, SDSD2,1373.00–

11Lincoln County, SDSD77,1452.87–

12Charles Mix County, SDSD9,3032.86–

13Lyman County, SDSD3,6942.68–

14Hamlin County, SDSD6,9002.64–

15Roberts County, SDSD10,2552.60–

16Lake County, SDSD10,9932.59–

17Marshall County, SDSD4,4262.53–

18Haakon County, SDSD1,8022.50–

19Pennington County, SDSD116,7922.47–

20Meade County, SDSD30,7112.45–

21Edmunds County, SDSD4,0222.44–

22Butte County, SDSD10,8562.43–

23Spink County, SDSD6,1552.42–

24Deuel County, SDSD4,4082.40–

25McCook County, SDSD5,9642.40–

26Moody County, SDSD6,6322.40–

27Hutchinson County, SDSD7,4132.39–

28Tripp County, SDSD5,7082.37–

29Minnehaha County, SDSD212,6912.36–

30Brookings County, SDSD37,6352.35–

31Sanborn County, SDSD2,3882.35–

32Douglas County, SDSD2,8882.34–

33Brown County, SDSD37,5612.32–

34Beadle County, SDSD19,6242.31–

35Clark County, SDSD4,0312.30–

36Turner County, SDSD9,3142.30–

37Aurora County, SDSD2,8012.29–

38Hyde County, SDSD1,1912.28–

39Codington County, SDSD29,5622.27–

40Union County, SDSD17,4022.27–

41Gregory County, SDSD4,0372.26–

42Miner County, SDSD2,2812.26–

43Kingsbury County, SDSD5,2842.23–

44Potter County, SDSD2,3772.23–

45Walworth County, SDSD5,2172.23–

46Clay County, SDSD15,0312.21–

47Grant County, SDSD7,5342.21–

48Brule County, SDSD5,2782.19–

49Hughes County, SDSD17,5702.19–

50Yankton County, SDSD23,6352.19–

51Custer County, SDSD9,4312.18–

52Davison County, SDSD20,0692.18–

53Faulk County, SDSD2,1782.18–

54McPherson County, SDSD2,3472.18–

55Lawrence County, SDSD29,4592.17–

56Perkins County, SDSD2,8532.17–

57Sully County, SDSD1,4792.15–

58Bon Homme County, SDSD7,2442.13–

59Harding County, SDSD1,3312.13–

60Stanley County, SDSD3,0182.12–

61Hand County, SDSD3,1212.11–

62Jerauld County, SDSD1,6542.09–

63Campbell County, SDSD1,3772.08–

64Jones County, SDSD9132.08–

65Day County, SDSD5,4842.07–

66Fall River County, SDSD7,4672.05–

SHOWING 1–66 OF 66

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