RANKING · 2000 CENSUS · 65 SHOWN OF 65

Youngest by median age, South Dakota counties · 2000

South Dakota counties with the youngest median age (2023 ACS). This list covers the 65 counties in South Dakota that qualify, ranked against each other statewide.

Flip the list · Oldest by median age, US counties →

South DakotaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Todd County, SDSD8,86321.7+0%

02Buffalo County, SDSD1,80223.4+0%

03Ziebach County, SDSD2,38923.8+0%

04Clay County, SDSD15,03124.9+0%

05Dewey County, SDSD5,41926.5+0%

06Brookings County, SDSD37,63526.6+0%

07Corson County, SDSD3,78128.3+0%

08Bennett County, SDSD3,30729.2+0%

09Jackson County, SDSD2,66630.6+0%

10Mellette County, SDSD2,13732.1+0%

11Meade County, SDSD30,71133.4+0%

12Minnehaha County, SDSD212,69133.5+0%

13Lincoln County, SDSD77,14534.0+0%

14Lyman County, SDSD3,69434.5+0%

15Pennington County, SDSD116,79235.0+0%

16Codington County, SDSD29,56235.3+0%

17Charles Mix County, SDSD9,30335.7+0%

18Davison County, SDSD20,06936.0+0%

19Hanson County, SDSD3,45636.0+0%

20Lake County, SDSD10,99336.5+0%

21Brule County, SDSD5,27836.9+0%

22Union County, SDSD17,40236.9+0%

23Moody County, SDSD6,63237.0+0%

24Yankton County, SDSD23,63537.0+0%

25Roberts County, SDSD10,25537.1+0%

26Brown County, SDSD37,56137.2+0%

27Lawrence County, SDSD29,45937.2+0%

28Hughes County, SDSD17,57037.5+0%

29Harding County, SDSD1,33137.6+0%

30Stanley County, SDSD3,01837.6+0%

31Hamlin County, SDSD6,90038.0+0%

32Butte County, SDSD10,85638.0+0%

33McCook County, SDSD5,96438.6+0%

34Tripp County, SDSD5,70839.5+0%

35Spink County, SDSD6,15539.9+0%

36Sully County, SDSD1,47940.0+0%

37Beadle County, SDSD19,62440.1+0%

38Bon Homme County, SDSD7,24440.3+0%

39Grant County, SDSD7,53440.3+0%

40Turner County, SDSD9,31440.5+0%

41Aurora County, SDSD2,80140.6+0%

42Deuel County, SDSD4,40840.8+0%

43Sanborn County, SDSD2,38840.8+0%

44Jones County, SDSD91341.1+0%

45Haakon County, SDSD1,80241.3+0%

46Faulk County, SDSD2,17841.5+0%

47Clark County, SDSD4,03141.6+0%

48Edmunds County, SDSD4,02241.6+0%

49Marshall County, SDSD4,42641.6+0%

50Douglas County, SDSD2,88841.8+0%

51Campbell County, SDSD1,37741.9+0%

52Hyde County, SDSD1,19142.2+0%

53Miner County, SDSD2,28142.5+0%

54Kingsbury County, SDSD5,28442.7+0%

55Walworth County, SDSD5,21742.8+0%

56Day County, SDSD5,48442.9+0%

57Hutchinson County, SDSD7,41343.1+0%

58Perkins County, SDSD2,85343.1+0%

59Custer County, SDSD9,43143.2+0%

60Hand County, SDSD3,12143.6+0%

61Gregory County, SDSD4,03744.3+0%

62Fall River County, SDSD7,46745.5+0%

63Potter County, SDSD2,37745.8+0%

64Jerauld County, SDSD1,65446.3+0%

65McPherson County, SDSD2,34747.6+0%

SHOWING 1–65 OF 65

Download CSV (full list, 65 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES