RANKING · 2020 CENSUS · 65 SHOWN OF 65

Most population gained, South Dakota counties · 2020

South Dakota counties that added the most residents from the 2010 census to 2020, by raw count of people rather than percentage. 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

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Minnehaha County, SDSD212,691+27,746+13%

02Lincoln County, SDSD77,145+20,333+134%

03Pennington County, SDSD116,792+8,274+15%

04Meade County, SDSD30,711+4,418+86%

05Union County, SDSD17,402+2,412+1%

06Brookings County, SDSD37,635+2,410−20%

07Brown County, SDSD37,561+1,770−1575%

08Beadle County, SDSD19,624+1,751−242%

09Lawrence County, SDSD29,459+1,671+46%

10Clay County, SDSD15,031+1,103+214%

11Codington County, SDSD29,562+1,098−66%

12Yankton County, SDSD23,635+872−64%

13Hughes County, SDSD17,570+743−55%

14Davison County, SDSD20,069+452−63%

15Turner County, SDSD9,314+326+19%

16Hamlin County, SDSD6,900+261−54%

17Charles Mix County, SDSD9,303+244+11%

18Grant County, SDSD7,534+200−138%

19Clark County, SDSD4,031+146−156%

20Potter County, SDSD2,377+143−129%

21Butte County, SDSD10,856+133−89%

22Roberts County, SDSD10,255+131+28%

23Hanson County, SDSD3,456+130−10%

24Custer County, SDSD9,431+102−91%

25Hutchinson County, SDSD7,413+84−145%

26Sully County, SDSD1,479+73−321%

27McCook County, SDSD5,964+64−56%

28Harding County, SDSD1,331+56−118%

29Kingsbury County, SDSD5,284+39−135%

30Aurora County, SDSD2,801+37−148%

31Buffalo County, SDSD1,802+36−87%

32Stanley County, SDSD3,018+14−96%

33Brule County, SDSD5,278-8−93%

34Tripp County, SDSD5,708-20−96%

35Sanborn County, SDSD2,388-25−84%

36Lyman County, SDSD3,694-37−114%

37McPherson County, SDSD2,347-48−85%

38Bennett County, SDSD3,307-50−114%

39Spink County, SDSD6,155-54−90%

40Dewey County, SDSD5,419-62−114%

41Haakon County, SDSD1,802-65−85%

42Bon Homme County, SDSD7,244-67−139%

43Deuel County, SDSD4,408-69+188%

44Edmunds County, SDSD4,022-85−873%

45Campbell County, SDSD1,377-89−51%

46Jones County, SDSD913-89−32%

47Miner County, SDSD2,281-91−77%

48Fall River County, SDSD7,467-121−221%

49Walworth County, SDSD5,217-123+9%

50Mellette County, SDSD2,137-130+141%

51Lake County, SDSD10,993-141−119%

52Perkins County, SDSD2,853-147−74%

53Corson County, SDSD3,781-148+957%

54Moody County, SDSD6,632-150−270%

55Hyde County, SDSD1,191-158+532%

56Douglas County, SDSD2,888-167−42%

57Jackson County, SDSD2,666-225−289%

58Faulk County, SDSD2,178-239+130%

59Day County, SDSD5,484-261−63%

60Gregory County, SDSD4,037-277−51%

61Hand County, SDSD3,121-286−46%

62Todd County, SDSD8,863-293−142%

63Marshall County, SDSD4,426-350+31%

64Ziebach County, SDSD2,389-388−230%

65Jerauld County, SDSD1,654-408+214%

SHOWING 1–65 OF 65

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