RANKING · 2010 CENSUS · 65 SHOWN OF 65

Largest by population, South Dakota counties · 2010

The most populous us counties as of the 2023 estimates. This list covers the 65 counties in South Dakota that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPTOTAL POPULATIONVS 2000

01Minnehaha County, SDSD212,691169,468+14%

02Pennington County, SDSD116,792100,948+14%

03Lincoln County, SDSD77,14544,828+86%

04Brown County, SDSD37,56136,531+3%

05Brookings County, SDSD37,63531,965+13%

06Codington County, SDSD29,56227,227+5%

07Meade County, SDSD30,71125,434+5%

08Lawrence County, SDSD29,45924,097+11%

09Yankton County, SDSD23,63522,438+4%

10Davison County, SDSD20,06919,504+4%

11Beadle County, SDSD19,62417,398+2%

12Hughes County, SDSD17,57017,022+3%

13Union County, SDSD17,40214,399+14%

14Clay County, SDSD15,03113,864+2%

15Lake County, SDSD10,99311,200−1%

16Roberts County, SDSD10,25510,149+1%

17Butte County, SDSD10,85610,110+11%

18Todd County, SDSD8,8639,612+6%

19Charles Mix County, SDSD9,3039,129−2%

20Turner County, SDSD9,3148,347−6%

21Custer County, SDSD9,4318,216+13%

22Grant County, SDSD7,5347,356−6%

23Hutchinson County, SDSD7,4137,343−9%

24Fall River County, SDSD7,4677,094−5%

25Bon Homme County, SDSD7,2447,070−3%

26Moody County, SDSD6,6326,486−2%

27Spink County, SDSD6,1556,415−14%

28Hamlin County, SDSD6,9005,903+7%

29Day County, SDSD5,4845,710−9%

30Tripp County, SDSD5,7085,644−12%

31McCook County, SDSD5,9645,618−4%

32Walworth County, SDSD5,2175,438−9%

33Dewey County, SDSD5,4195,301−11%

34Brule County, SDSD5,2785,255−2%

35Kingsbury County, SDSD5,2845,148−11%

36Marshall County, SDSD4,4264,656+2%

37Deuel County, SDSD4,4084,364−3%

38Gregory County, SDSD4,0374,271−11%

39Edmunds County, SDSD4,0224,071−7%

40Corson County, SDSD3,7814,050−3%

41Lyman County, SDSD3,6943,755−4%

42Clark County, SDSD4,0313,691−11%

43Bennett County, SDSD3,3073,431−4%

44Hand County, SDSD3,1213,431−8%

45Hanson County, SDSD3,4563,331+6%

46Jackson County, SDSD2,6663,031+3%

47Douglas County, SDSD2,8883,002−13%

48Perkins County, SDSD2,8532,982−11%

49Stanley County, SDSD3,0182,966+7%

50Ziebach County, SDSD2,3892,801+11%

51Aurora County, SDSD2,8012,710−11%

52McPherson County, SDSD2,3472,459−15%

53Miner County, SDSD2,2812,389−17%

54Faulk County, SDSD2,1782,364−10%

55Sanborn County, SDSD2,3882,355−12%

56Potter County, SDSD2,3772,329−14%

57Jerauld County, SDSD1,6542,071−10%

58Mellette County, SDSD2,1372,048−2%

59Haakon County, SDSD1,8021,937−12%

60Buffalo County, SDSD1,8021,912−6%

61Campbell County, SDSD1,3771,466−18%

62Hyde County, SDSD1,1911,420−15%

63Sully County, SDSD1,4791,373−12%

64Harding County, SDSD1,3311,255−7%

65Jones County, SDSD9131,006−16%

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