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. The median across all 66 is 1,068. Biggest climber in the top 100 since 2020: Stanley County, SD, up 5 places to #42.

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SAME RANKING BYCities States Metros

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

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%

04▲1Lawrence County, SDSD29,4596,813+113%

05▼1Brown 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%

12▲1Union County, SDSD17,4023,328+96%

13▼1Hughes County, SDSD17,5703,188+42%

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

15▲1Lake County, SDSD10,9932,666+45%

16▼1Fall 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, SDSD9,3141,8040%

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

22▲1Charles Mix County, SDSD9,3031,759+9%

23▼1Hutchinson County, SDSD7,4131,613−24%

24▲2Spink County, SDSD6,1551,522+8%

25▼1Bon Homme County, SDSD7,2441,5140%

26▼1Day County, SDSD5,4841,449−2%

27▲3Tripp County, SDSD5,7081,380+9%

28▲1Moody County, SDSD6,6321,293+31%

29▼2Walworth County, SDSD5,2171,212−7%

30▼2Kingsbury County, SDSD5,2841,211−14%

31▲1Brule County, SDSD5,2781,110+23%

32▼1McCook County, SDSD5,9641,082−5%

33Gregory County, SDSD4,0371,068−10%

34▲1Oglala Lakota County, SDSD13,3381,013–

35▲1Marshall County, SDSD4,4261,009+4%

36▲1Deuel County, SDSD4,408956+3%

37▲1Edmunds County, SDSD4,022928−4%

38▲2Clark County, SDSD4,0319210%

39▼5Hamlin County, SDSD6,900911−14%

40▲4Perkins County, SDSD2,853806+1%

41▼2Hand County, SDSD3,121759−16%

42▲5Stanley County, SDSD3,018735+141%

43Potter County, SDSD2,377734+9%

44▼3Todd County, SDSD8,863726+39%

45McPherson County, SDSD2,347711−17%

46▼4Douglas County, SDSD2,888693−11%

47▲3Lyman County, SDSD3,694682+29%

48▲4Miner County, SDSD2,281596−14%

49Hanson County, SDSD3,456566+21%

50▲3Jerauld County, SDSD1,654545−7%

51▼3Aurora County, SDSD2,801520−21%

52▼6Dewey County, SDSD5,419518+5%

53▲1Bennett County, SDSD3,307512+29%

54▼3Faulk County, SDSD2,178512−15%

55Corson County, SDSD3,781501+14%

56▲1Haakon County, SDSD1,802501+27%

57▼1Sanborn County, SDSD2,388482−7%

58▲1Campbell County, SDSD1,377429+9%

59▲2Sully County, SDSD1,479353+30%

60▼2Jackson County, SDSD2,666348+2%

61▼1Hyde County, SDSD1,191337−10%

62Mellette County, SDSD2,137319+16%

63▲1Ziebach County, SDSD2,389279+48%

64▲1Jones County, SDSD913245+13%

65▼2Harding County, SDSD1,331238+31%

66Buffalo County, SDSD1,802166+25%

SHOWING 1–66 OF 66

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES