RANKING · 2024 ACS · 66 SHOWN OF 66

Largest households, South Dakota counties

South Dakota counties ranked by average household size (2024 ACS). This list covers the 66 counties in South Dakota that qualify, ranked against each other statewide. The median across all 66 is 2.40. Biggest climber in the top 100 since 2020: Jones County, SD, up 51 places to #13.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Oglala Lakota County, SDSD13,3384.46–

02▲7Bennett County, SDSD3,3073.59+17%

03Todd County, SDSD8,8633.57−5%

04Buffalo County, SDSD1,8023.56−7%

05▲1Corson County, SDSD3,7813.37−7%

06▼4Jackson County, SDSD2,6663.33+8%

07▼2Ziebach County, SDSD2,3893.23−10%

08▲5Lyman County, SDSD3,6943.07+20%

09▼2Dewey County, SDSD5,4193.03−3%

10▼2Hanson County, SDSD3,4563.02+3%

11▼1Mellette County, SDSD2,1372.96−1%

12Charles Mix County, SDSD9,3032.95+7%

13▲51Jones County, SDSD9132.94+29%

14Hamlin County, SDSD6,9002.830%

15▲20Clark County, SDSD4,0312.82+6%

16▼1Roberts County, SDSD10,2552.76+5%

17Marshall County, SDSD4,4262.55−2%

18▲30Brule County, SDSD5,2782.52+11%

19▼8Lincoln County, SDSD77,1452.52−3%

20▲5McCook County, SDSD5,9642.51−1%

21▲13Beadle County, SDSD19,6242.48+10%

22▲9Sanborn County, SDSD2,3882.47+1%

23▼3Meade County, SDSD30,7112.46−2%

24▲2Moody County, SDSD6,6322.46−1%

25▼1Deuel County, SDSD4,4082.45+3%

26▲15Gregory County, SDSD4,0372.45+16%

27▼5Butte County, SDSD10,8562.44−2%

28▼10Haakon County, SDSD1,8022.43+11%

29▼8Edmunds County, SDSD4,0222.42−4%

30▲13Kingsbury County, SDSD5,2842.42+13%

31▲5Turner County, SDSD9,3142.420%

32▲5Aurora County, SDSD2,8012.40−7%

33▲9Miner County, SDSD2,2812.40+9%

34▲13Grant County, SDSD7,5342.39+7%

35▼8Hutchinson County, SDSD7,4132.39−1%

36▼13Spink County, SDSD6,1552.39+6%

37▲20Sully County, SDSD1,4792.39+6%

38▼10Tripp County, SDSD5,7082.39+7%

39▼20Pennington County, SDSD116,7922.370%

40▼8Douglas County, SDSD2,8882.36−1%

41▲19Stanley County, SDSD3,0182.34−6%

42▼12Brookings County, SDSD37,6352.33−5%

43▼14Minnehaha County, SDSD212,6912.33−5%

44▼4Union County, SDSD17,4022.32−3%

45▲4Hughes County, SDSD17,5702.300%

46Clay County, SDSD15,0312.29+3%

47▲11Bon Homme County, SDSD7,2442.28−4%

48▼10Hyde County, SDSD1,1912.27−8%

49▼16Brown County, SDSD37,5612.26−2%

50▼11Codington County, SDSD29,5622.25−4%

51▲2Faulk County, SDSD2,1782.25−13%

52▲13Day County, SDSD5,4842.24+3%

53▲3Perkins County, SDSD2,8532.23+5%

54▲5Harding County, SDSD1,3312.22−6%

55▼5Yankton County, SDSD23,6352.22−2%

56▲6Jerauld County, SDSD1,6542.21−2%

57▼41Lake County, SDSD10,9932.21−3%

58▲3Hand County, SDSD3,1212.180%

59▼4Lawrence County, SDSD29,4592.18+6%

60▼16Potter County, SDSD2,3772.18−6%

61▼9Davison County, SDSD20,0692.16−4%

62▼17Walworth County, SDSD5,2172.12−4%

63Campbell County, SDSD1,3772.11−10%

64▼10McPherson County, SDSD2,3471.99−16%

65▼14Custer County, SDSD9,4311.95−7%

66Fall River County, SDSD7,4671.920%

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