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. The median across all 66 is +1.1%. Biggest climber in the top 100 since 2020: Potter County, SD, up 51 places to #5.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01▲41Buffalo County, SDSD1,802-7.5%−23.0 pts

02▲1Hyde County, SDSD1,191-5.6%−4.2 pts

03▲5Jackson County, SDSD2,666-5.0%−9.2 pts

04▲14Todd County, SDSD8,863-4.9%−13.3 pts

05▲51Potter County, SDSD2,377-3.8%+11.7 pts

06▲11Haakon County, SDSD1,802-3.7%+12.6 pts

07▲24Spink County, SDSD6,155-3.2%+3.4 pts

08▲8Corson County, SDSD3,781-3.1%−2.8 pts

09▲13McPherson County, SDSD2,347-2.7%+7.4 pts

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

11▲14Bennett County, SDSD3,307-2.2%−13.7 pts

12▲42Brown County, SDSD37,561-1.9%−1.6 pts

13▲7Walworth County, SDSD5,217-1.8%0.0 pts

14▲37Hughes County, SDSD17,570-1.1%−12.3 pts

15▼13Ziebach County, SDSD2,389-1.0%−14.5 pts

16▼10Hand County, SDSD3,121-0.8%+11.7 pts

17▲27Charles Mix County, SDSD9,303-0.7%−3.1 pts

18▼3Miner County, SDSD2,281-0.7%+11.1 pts

19▲10Lyman County, SDSD3,694-0.6%−7.7 pts

20▲6Lake County, SDSD10,993-0.6%−7.5 pts

21▼20Jerauld County, SDSD1,654-0.5%+4.8 pts

22▼17Jones County, SDSD913-0.4%+9.5 pts

23▲22Grant County, SDSD7,534-0.3%+6.0 pts

24▲15Roberts County, SDSD10,255-0.2%−1.3 pts

25▲12Hutchinson County, SDSD7,413-0.2%+2.1 pts

26▲21Hanson County, SDSD3,456-0.1%−5.0 pts

27▼16Campbell County, SDSD1,3770.0%+9.3 pts

28▲31Clay County, SDSD15,031+0.4%−2.2 pts

29▲14Davison County, SDSD20,069+0.6%−6.5 pts

30▲3Brule County, SDSD5,278+0.6%+2.8 pts

31▼18Perkins County, SDSD2,853+0.6%+15.1 pts

32▼18Day County, SDSD5,484+0.6%+10.8 pts

33▼12Edmunds County, SDSD4,022+0.9%+0.7 pts

34▼25Gregory County, SDSD4,037+1.1%+11.7 pts

35▼1Stanley County, SDSD3,018+1.3%−11.7 pts

36▲10Yankton County, SDSD23,635+1.4%−11.1 pts

37▼5Tripp County, SDSD5,708+1.5%+8.6 pts

38▲15Harding County, SDSD1,331+1.5%+20.5 pts

39▼27Douglas County, SDSD2,888+1.9%+9.6 pts

40▼5Kingsbury County, SDSD5,284+1.9%+3.7 pts

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

42▲13Sully County, SDSD1,479+2.3%+4.4 pts

43▲18Beadle County, SDSD19,624+2.5%+9.2 pts

44▼16Sanborn County, SDSD2,388+2.5%+8.1 pts

45▼41Faulk County, SDSD2,178+2.5%+6.3 pts

46▼22Deuel County, SDSD4,408+2.6%+3.2 pts

47▼40Marshall County, SDSD4,426+2.8%+8.3 pts

48▲16Meade County, SDSD30,711+2.9%−8.0 pts

49▼22Dewey County, SDSD5,419+3.4%−4.7 pts

50▼20Bon Homme County, SDSD7,244+3.4%+1.0 pts

51▲12Union County, SDSD17,402+3.5%−20.0 pts

52▼2Codington County, SDSD29,562+4.4%−9.7 pts

53▼34Moody County, SDSD6,632+4.7%+3.3 pts

54▼18McCook County, SDSD5,964+5.0%+2.4 pts

55▼6Clark County, SDSD4,031+5.1%+11.0 pts

56▼16Butte County, SDSD10,856+6.0%−8.9 pts

57▲3Pennington County, SDSD116,792+6.9%−1.9 pts

58▼35Fall River County, SDSD7,467+7.1%+5.7 pts

59▼11Turner County, SDSD9,314+7.4%+4.2 pts

60▲2Minnehaha County, SDSD212,691+7.8%−11.9 pts

61▼3Brookings County, SDSD37,635+9.5%−2.5 pts

62▼52Mellette County, SDSD2,137+11.4%+13.9 pts

63▼11Hamlin County, SDSD6,900+11.9%+0.6 pts

64▼26Custer County, SDSD9,431+13.4%−4.4 pts

65▼8Lawrence County, SDSD29,459+14.3%+8.8 pts

66▼1Lincoln County, SDSD77,145+18.4%−38.0 pts

SHOWING 1–66 OF 66

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES