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%−148%

02Hyde County, SDSD1,191-5.6%+282%

03Jackson County, SDSD2,666-5.0%−218%

04Todd County, SDSD8,863-4.9%−159%

05Potter County, SDSD2,377-3.8%−75%

06Haakon County, SDSD1,802-3.7%−77%

07Spink County, SDSD6,155-3.2%−51%

08Corson County, SDSD3,781-3.1%+829%

09McPherson County, SDSD2,347-2.7%−74%

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

11Bennett County, SDSD3,307-2.2%−119%

12Brown County, SDSD37,561-1.9%+473%

13Walworth County, SDSD5,217-1.8%−1%

14Hughes County, SDSD17,570-1.1%−110%

15Ziebach County, SDSD2,389-1.0%−107%

16Hand County, SDSD3,121-0.8%−94%

17Charles Mix County, SDSD9,303-0.7%−131%

18Miner County, SDSD2,281-0.7%−94%

19Lyman County, SDSD3,694-0.6%−109%

20Lake County, SDSD10,993-0.6%−109%

21Jerauld County, SDSD1,654-0.5%−90%

22Jones County, SDSD913-0.4%−96%

23Grant County, SDSD7,534-0.3%−95%

24Roberts County, SDSD10,255-0.2%−124%

25Hutchinson County, SDSD7,413-0.2%−92%

26Hanson County, SDSD3,456-0.1%−103%

27Campbell County, SDSD1,3770.0%−100%

28Clay County, SDSD15,031+0.4%−84%

29Davison County, SDSD20,069+0.6%−92%

30Brule County, SDSD5,278+0.6%−127%

31Perkins County, SDSD2,853+0.6%−104%

32Day County, SDSD5,484+0.6%−106%

33Edmunds County, SDSD4,022+0.9%+258%

34Gregory County, SDSD4,037+1.1%−110%

35Stanley County, SDSD3,018+1.3%−90%

36Yankton County, SDSD23,635+1.4%−89%

37Tripp County, SDSD5,708+1.5%−121%

38Harding County, SDSD1,331+1.5%−108%

39Douglas County, SDSD2,888+1.9%−124%

40Kingsbury County, SDSD5,284+1.9%−201%

41Aurora County, SDSD2,801+2.0%−180%

42Sully County, SDSD1,479+2.3%−210%

43Beadle County, SDSD19,624+2.5%−137%

44Sanborn County, SDSD2,388+2.5%−145%

45Faulk County, SDSD2,178+2.5%−166%

46Deuel County, SDSD4,408+2.6%−596%

47Marshall County, SDSD4,426+2.8%−150%

48Meade County, SDSD30,711+2.9%−73%

49Dewey County, SDSD5,419+3.4%−58%

50Bon Homme County, SDSD7,244+3.4%+43%

51Union County, SDSD17,402+3.5%−85%

52Codington County, SDSD29,562+4.4%−69%

53Moody County, SDSD6,632+4.7%+245%

54McCook County, SDSD5,964+5.0%+96%

55Clark County, SDSD4,031+5.1%−186%

56Butte County, SDSD10,856+6.0%−60%

57Pennington County, SDSD116,792+6.9%−22%

58Fall River County, SDSD7,467+7.1%+421%

59Turner County, SDSD9,314+7.4%+132%

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

61Brookings County, SDSD37,635+9.5%−21%

62Mellette County, SDSD2,137+11.4%−552%

63Hamlin County, SDSD6,900+11.9%+5%

64Custer County, SDSD9,431+13.4%−25%

65Lawrence County, SDSD29,459+14.3%+158%

66Lincoln County, SDSD77,145+18.4%−67%

SHOWING 1–66 OF 66

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES