RANKING · 2025 ESTIMATES · 66 SHOWN OF 66

Fastest growing, South Dakota counties

South Dakota counties ranked by population growth from the 2020 census to 2025. This list covers the 66 counties in South Dakota that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Lincoln County, SDSD77,145+18.4%−38.0 pts

02Lawrence County, SDSD29,459+14.3%+8.8 pts

03Custer County, SDSD9,431+13.4%−4.4 pts

04Hamlin County, SDSD6,900+11.9%+0.6 pts

05Mellette County, SDSD2,137+11.4%+13.9 pts

06Brookings County, SDSD37,635+9.5%−2.5 pts

07Minnehaha County, SDSD212,691+7.8%−11.9 pts

08Turner County, SDSD9,314+7.4%+4.2 pts

09Fall River County, SDSD7,467+7.1%+5.7 pts

10Pennington County, SDSD116,792+6.9%−1.9 pts

11Butte County, SDSD10,856+6.0%−8.9 pts

12Clark County, SDSD4,031+5.1%+11.0 pts

13McCook County, SDSD5,964+5.0%+2.4 pts

14Moody County, SDSD6,632+4.7%+3.3 pts

15Codington County, SDSD29,562+4.4%−9.7 pts

16Union County, SDSD17,402+3.5%−20.0 pts

17Bon Homme County, SDSD7,244+3.4%+1.0 pts

18Dewey County, SDSD5,419+3.4%−4.7 pts

19Meade County, SDSD30,711+2.9%−8.0 pts

20Marshall County, SDSD4,426+2.8%+8.3 pts

21Deuel County, SDSD4,408+2.6%+3.2 pts

22Faulk County, SDSD2,178+2.5%+6.3 pts

23Sanborn County, SDSD2,388+2.5%+8.1 pts

24Beadle County, SDSD19,624+2.5%+9.2 pts

25Sully County, SDSD1,479+2.3%+4.4 pts

26Aurora County, SDSD2,801+2.0%+4.4 pts

27Kingsbury County, SDSD5,284+1.9%+3.7 pts

28Douglas County, SDSD2,888+1.9%+9.6 pts

29Harding County, SDSD1,331+1.5%+20.5 pts

30Tripp County, SDSD5,708+1.5%+8.6 pts

31Yankton County, SDSD23,635+1.4%−11.1 pts

32Stanley County, SDSD3,018+1.3%−11.7 pts

33Gregory County, SDSD4,037+1.1%+11.7 pts

34Edmunds County, SDSD4,022+0.9%+0.7 pts

35Day County, SDSD5,484+0.6%+10.8 pts

36Perkins County, SDSD2,853+0.6%+15.1 pts

37Brule County, SDSD5,278+0.6%+2.8 pts

38Davison County, SDSD20,069+0.6%−6.5 pts

39Clay County, SDSD15,031+0.4%−2.2 pts

40Campbell County, SDSD1,3770.0%+9.3 pts

41Hanson County, SDSD3,456-0.1%−5.0 pts

42Hutchinson County, SDSD7,413-0.2%+2.1 pts

43Roberts County, SDSD10,255-0.2%−1.3 pts

44Grant County, SDSD7,534-0.3%+6.0 pts

45Jones County, SDSD913-0.4%+9.5 pts

46Jerauld County, SDSD1,654-0.5%+4.8 pts

47Lake County, SDSD10,993-0.6%−7.5 pts

48Lyman County, SDSD3,694-0.6%−7.7 pts

49Miner County, SDSD2,281-0.7%+11.1 pts

50Charles Mix County, SDSD9,303-0.7%−3.1 pts

51Hand County, SDSD3,121-0.8%+11.7 pts

52Ziebach County, SDSD2,389-1.0%−14.5 pts

53Hughes County, SDSD17,570-1.1%−12.3 pts

54Walworth County, SDSD5,217-1.8%+0.0 pts

55Brown County, SDSD37,561-1.9%−1.6 pts

56Bennett County, SDSD3,307-2.2%−13.7 pts

57Oglala Lakota County, SDSD13,338-2.4%–

58McPherson County, SDSD2,347-2.7%+7.4 pts

59Corson County, SDSD3,781-3.1%−2.8 pts

60Spink County, SDSD6,155-3.2%+3.4 pts

61Haakon County, SDSD1,802-3.7%+12.6 pts

62Potter County, SDSD2,377-3.8%+11.7 pts

63Todd County, SDSD8,863-4.9%−13.3 pts

64Jackson County, SDSD2,666-5.0%−9.2 pts

65Hyde County, SDSD1,191-5.6%−4.2 pts

66Buffalo County, SDSD1,802-7.5%−23.0 pts

SHOWING 1–66 OF 66

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU POPULATION ESTIMATES