RANKING · 2020 CENSUS · 66 SHOWN OF 66

Largest senior population, South Dakota counties · 2020

South Dakota counties home to the most residents aged 65 and over as of 2020. Ranked by number of people, not the senior share. This list covers the 66 counties in South Dakota that qualify, ranked against each other statewide.

South DakotaAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Minnehaha County, SDSD212,69128,750+76%

02Pennington County, SDSD116,79220,332+95%

03Lincoln County, SDSD77,1458,568+241%

04Brown County, SDSD37,5616,940+21%

05Lawrence County, SDSD29,4595,995+88%

06Codington County, SDSD29,5625,242+43%

07Meade County, SDSD30,7114,828+91%

08Yankton County, SDSD23,6354,745+50%

09Brookings County, SDSD37,6354,603+50%

10Davison County, SDSD20,0693,902+28%

11Beadle County, SDSD19,6243,414+4%

12Hughes County, SDSD17,5703,189+42%

13Union County, SDSD17,4023,157+85%

14Custer County, SDSD9,4312,716+133%

15Fall River County, SDSD7,4672,258+35%

16Lake County, SDSD10,9932,180+18%

17Butte County, SDSD10,8562,169+57%

18Roberts County, SDSD10,2552,146+26%

19Clay County, SDSD15,0311,966+44%

20Turner County, SDSD9,3141,840+2%

21Grant County, SDSD7,5341,787+19%

22Hutchinson County, SDSD7,4131,739−18%

23Charles Mix County, SDSD9,3031,704+5%

24Bon Homme County, SDSD7,2441,507−0%

25Day County, SDSD5,4841,433−3%

26Spink County, SDSD6,1551,400−1%

27Walworth County, SDSD5,2171,316+0%

28Kingsbury County, SDSD5,2841,262−10%

29Moody County, SDSD6,6321,248+27%

30Tripp County, SDSD5,7081,234−2%

31McCook County, SDSD5,9641,144+1%

32Brule County, SDSD5,2781,126+24%

33Gregory County, SDSD4,0371,105−7%

34Hamlin County, SDSD6,9001,098+3%

35Oglala Lakota County, SDSD13,3381,029–

36Marshall County, SDSD4,4261,006+3%

37Deuel County, SDSD4,408929−0%

38Edmunds County, SDSD4,022917−6%

39Hand County, SDSD3,121824−9%

40Clark County, SDSD4,031813−12%

41Todd County, SDSD8,863769+48%

42Douglas County, SDSD2,888760−3%

43Potter County, SDSD2,377759+13%

44Perkins County, SDSD2,853751−6%

45McPherson County, SDSD2,347703−18%

46Dewey County, SDSD5,419631+28%

47Stanley County, SDSD3,018621+104%

48Aurora County, SDSD2,801613−7%

49Hanson County, SDSD3,456605+30%

50Lyman County, SDSD3,694597+13%

51Faulk County, SDSD2,178575−5%

52Miner County, SDSD2,281565−18%

53Jerauld County, SDSD1,654501−15%

54Bennett County, SDSD3,307490+23%

55Sanborn County, SDSD2,388487−7%

56Corson County, SDSD3,781487+11%

57Haakon County, SDSD1,802442+12%

58Jackson County, SDSD2,666418+23%

59Campbell County, SDSD1,377382−3%

60Hyde County, SDSD1,191325−13%

61Sully County, SDSD1,479321+18%

62Mellette County, SDSD2,137316+15%

63Harding County, SDSD1,331252+39%

64Ziebach County, SDSD2,389250+33%

65Jones County, SDSD913213−2%

66Buffalo County, SDSD1,802197+48%

SHOWING 1–66 OF 66

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