RANKING · 2024 ACS · 66 SHOWN OF 66

Largest senior population, South Dakota counties

South Dakota counties home to the most residents aged 65 and over as of 2024. 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, SDSD212,69128,306+74%

02Pennington County, SDSD116,79222,870+119%

03Lincoln County, SDSD77,14510,366+312%

04Lawrence County, SDSD29,4596,813+113%

05Brown County, SDSD37,5616,731+17%

06Codington County, SDSD29,5625,625+54%

07Meade County, SDSD30,7115,104+102%

08Yankton County, SDSD23,6355,005+58%

09Brookings County, SDSD37,6354,736+55%

10Davison County, SDSD20,0694,156+37%

11Beadle County, SDSD19,6243,561+8%

12Union County, SDSD17,4023,328+96%

13Hughes County, SDSD17,5703,188+42%

14Custer County, SDSD9,4312,997+157%

15Lake County, SDSD10,9932,666+45%

16Fall River County, SDSD7,4672,382+42%

17Butte County, SDSD10,8562,149+56%

18Roberts County, SDSD10,2552,137+25%

19Clay County, SDSD15,0311,856+36%

20Turner County, SDSD9,3141,804−0%

21Grant County, SDSD7,5341,767+18%

22Charles Mix County, SDSD9,3031,759+9%

23Hutchinson County, SDSD7,4131,613−24%

24Spink County, SDSD6,1551,522+8%

25Bon Homme County, SDSD7,2441,514+0%

26Day County, SDSD5,4841,449−2%

27Tripp County, SDSD5,7081,380+9%

28Moody County, SDSD6,6321,293+31%

29Walworth County, SDSD5,2171,212−7%

30Kingsbury County, SDSD5,2841,211−14%

31Brule County, SDSD5,2781,110+23%

32McCook County, SDSD5,9641,082−5%

33Gregory County, SDSD4,0371,068−10%

34Oglala Lakota County, SDSD13,3381,013–

35Marshall County, SDSD4,4261,009+4%

36Deuel County, SDSD4,408956+3%

37Edmunds County, SDSD4,022928−4%

38Clark County, SDSD4,031921+0%

39Hamlin County, SDSD6,900911−14%

40Perkins County, SDSD2,853806+1%

41Hand County, SDSD3,121759−16%

42Stanley County, SDSD3,018735+141%

43Potter County, SDSD2,377734+9%

44Todd County, SDSD8,863726+39%

45McPherson County, SDSD2,347711−17%

46Douglas County, SDSD2,888693−11%

47Lyman County, SDSD3,694682+29%

48Miner County, SDSD2,281596−14%

49Hanson County, SDSD3,456566+21%

50Jerauld County, SDSD1,654545−7%

51Aurora County, SDSD2,801520−21%

52Dewey County, SDSD5,419518+5%

53Bennett County, SDSD3,307512+29%

54Faulk County, SDSD2,178512−15%

55Corson County, SDSD3,781501+14%

56Haakon County, SDSD1,802501+27%

57Sanborn County, SDSD2,388482−7%

58Campbell County, SDSD1,377429+9%

59Sully County, SDSD1,479353+30%

60Jackson County, SDSD2,666348+2%

61Hyde County, SDSD1,191337−10%

62Mellette County, SDSD2,137319+16%

63Ziebach County, SDSD2,389279+48%

64Jones County, SDSD913245+13%

65Harding County, SDSD1,331238+31%

66Buffalo County, SDSD1,802166+25%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES