RANKING · 2000 CENSUS · 65 SHOWN OF 65

Oldest by median age, South Dakota counties · 2000

South Dakota counties ranked by median age of residents (2000 ACS). 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

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 1990

01McPherson County, SDSD2,34747.6+2%

02Jerauld County, SDSD1,65446.3+12%

03Potter County, SDSD2,37745.8+17%

04Fall River County, SDSD7,46745.5+9%

05Gregory County, SDSD4,03744.3+16%

06Hand County, SDSD3,12143.6+13%

07Custer County, SDSD9,43143.2+17%

08Hutchinson County, SDSD7,41343.1+4%

09Perkins County, SDSD2,85343.1+10%

10Day County, SDSD5,48442.9+9%

11Walworth County, SDSD5,21742.8+7%

12Kingsbury County, SDSD5,28442.7+7%

13Miner County, SDSD2,28142.5+9%

14Hyde County, SDSD1,19142.2+9%

15Campbell County, SDSD1,37741.9+7%

16Douglas County, SDSD2,88841.8+13%

17Clark County, SDSD4,03141.6+7%

18Edmunds County, SDSD4,02241.6+3%

19Marshall County, SDSD4,42641.6+7%

20Faulk County, SDSD2,17841.5+6%

21Haakon County, SDSD1,80241.3+30%

22Jones County, SDSD91341.1+12%

23Deuel County, SDSD4,40840.8+6%

24Sanborn County, SDSD2,38840.8+14%

25Aurora County, SDSD2,80140.6+6%

26Turner County, SDSD9,31440.5+3%

27Bon Homme County, SDSD7,24440.3+8%

28Grant County, SDSD7,53440.3+16%

29Beadle County, SDSD19,62440.1+13%

30Sully County, SDSD1,47940.0+13%

31Spink County, SDSD6,15539.9+11%

32Tripp County, SDSD5,70839.5+15%

33McCook County, SDSD5,96438.6+1%

34Hamlin County, SDSD6,90038.0+1%

35Butte County, SDSD10,85638.0+10%

36Harding County, SDSD1,33137.6+16%

37Stanley County, SDSD3,01837.6+15%

38Hughes County, SDSD17,57037.5+13%

39Brown County, SDSD37,56137.2+12%

40Lawrence County, SDSD29,45937.2+14%

41Roberts County, SDSD10,25537.1+5%

42Moody County, SDSD6,63237.0+8%

43Yankton County, SDSD23,63537.0+10%

44Brule County, SDSD5,27836.9+12%

45Union County, SDSD17,40236.9+5%

46Lake County, SDSD10,99336.5+8%

47Davison County, SDSD20,06936.0+7%

48Hanson County, SDSD3,45636.0−2%

49Charles Mix County, SDSD9,30335.7+6%

50Codington County, SDSD29,56235.3+7%

51Pennington County, SDSD116,79235.0+16%

52Lyman County, SDSD3,69434.5+10%

53Lincoln County, SDSD77,14534.0+2%

54Minnehaha County, SDSD212,69133.5+6%

55Meade County, SDSD30,71133.4+11%

56Mellette County, SDSD2,13732.1+5%

57Jackson County, SDSD2,66630.6+3%

58Bennett County, SDSD3,30729.2−2%

59Corson County, SDSD3,78128.3−1%

60Brookings County, SDSD37,63526.6+1%

61Dewey County, SDSD5,41926.5+2%

62Clay County, SDSD15,03124.9+4%

63Ziebach County, SDSD2,38923.8−4%

64Buffalo County, SDSD1,80223.4+5%

65Todd County, SDSD8,86321.7+5%

SHOWING 1–65 OF 65

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS