RANKING · 2025 ESTIMATES · 66 SHOWN OF 66

Fastest shrinking, South Dakota counties

South Dakota counties with the steepest population decline 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 growing Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Buffalo County, SDSD1,802-7.5%−23.0 pts

02Hyde County, SDSD1,191-5.6%−4.2 pts

03Jackson County, SDSD2,666-5.0%−9.2 pts

04Todd County, SDSD8,863-4.9%−13.3 pts

05Potter County, SDSD2,377-3.8%+11.7 pts

06Haakon County, SDSD1,802-3.7%+12.6 pts

07Spink County, SDSD6,155-3.2%+3.4 pts

08Corson County, SDSD3,781-3.1%−2.8 pts

09McPherson County, SDSD2,347-2.7%+7.4 pts

10Oglala Lakota County, SDSD13,338-2.4%–

11Bennett County, SDSD3,307-2.2%−13.7 pts

12Brown County, SDSD37,561-1.9%−1.6 pts

13Walworth County, SDSD5,217-1.8%+0.0 pts

14Hughes County, SDSD17,570-1.1%−12.3 pts

15Ziebach County, SDSD2,389-1.0%−14.5 pts

16Hand County, SDSD3,121-0.8%+11.7 pts

17Charles Mix County, SDSD9,303-0.7%−3.1 pts

18Miner County, SDSD2,281-0.7%+11.1 pts

19Lyman County, SDSD3,694-0.6%−7.7 pts

20Lake County, SDSD10,993-0.6%−7.5 pts

21Jerauld County, SDSD1,654-0.5%+4.8 pts

22Jones County, SDSD913-0.4%+9.5 pts

23Grant County, SDSD7,534-0.3%+6.0 pts

24Roberts County, SDSD10,255-0.2%−1.3 pts

25Hutchinson County, SDSD7,413-0.2%+2.1 pts

26Hanson County, SDSD3,456-0.1%−5.0 pts

27Campbell County, SDSD1,3770.0%+9.3 pts

28Clay County, SDSD15,031+0.4%−2.2 pts

29Davison County, SDSD20,069+0.6%−6.5 pts

30Brule County, SDSD5,278+0.6%+2.8 pts

31Perkins County, SDSD2,853+0.6%+15.1 pts

32Day County, SDSD5,484+0.6%+10.8 pts

33Edmunds County, SDSD4,022+0.9%+0.7 pts

34Gregory County, SDSD4,037+1.1%+11.7 pts

35Stanley County, SDSD3,018+1.3%−11.7 pts

36Yankton County, SDSD23,635+1.4%−11.1 pts

37Tripp County, SDSD5,708+1.5%+8.6 pts

38Harding County, SDSD1,331+1.5%+20.5 pts

39Douglas County, SDSD2,888+1.9%+9.6 pts

40Kingsbury County, SDSD5,284+1.9%+3.7 pts

41Aurora County, SDSD2,801+2.0%+4.4 pts

42Sully County, SDSD1,479+2.3%+4.4 pts

43Beadle County, SDSD19,624+2.5%+9.2 pts

44Sanborn County, SDSD2,388+2.5%+8.1 pts

45Faulk County, SDSD2,178+2.5%+6.3 pts

46Deuel County, SDSD4,408+2.6%+3.2 pts

47Marshall County, SDSD4,426+2.8%+8.3 pts

48Meade County, SDSD30,711+2.9%−8.0 pts

49Dewey County, SDSD5,419+3.4%−4.7 pts

50Bon Homme County, SDSD7,244+3.4%+1.0 pts

51Union County, SDSD17,402+3.5%−20.0 pts

52Codington County, SDSD29,562+4.4%−9.7 pts

53Moody County, SDSD6,632+4.7%+3.3 pts

54McCook County, SDSD5,964+5.0%+2.4 pts

55Clark County, SDSD4,031+5.1%+11.0 pts

56Butte County, SDSD10,856+6.0%−8.9 pts

57Pennington County, SDSD116,792+6.9%−1.9 pts

58Fall River County, SDSD7,467+7.1%+5.7 pts

59Turner County, SDSD9,314+7.4%+4.2 pts

60Minnehaha County, SDSD212,691+7.8%−11.9 pts

61Brookings County, SDSD37,635+9.5%−2.5 pts

62Mellette County, SDSD2,137+11.4%+13.9 pts

63Hamlin County, SDSD6,900+11.9%+0.6 pts

64Custer County, SDSD9,431+13.4%−4.4 pts

65Lawrence County, SDSD29,459+14.3%+8.8 pts

66Lincoln County, SDSD77,145+18.4%−38.0 pts

SHOWING 1–66 OF 66

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