RANKING · 2024 ACS · 57 SHOWN OF 57

Largest Scotch-Irish population, South Dakota counties

South Dakota counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 57 counties in South Dakota that qualify, ranked against each other statewide.

Scotch-Irish Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010

01Pennington County, SDSD116,7921,038−50%

02Minnehaha County, SDSD212,691796−37%

03Lawrence County, SDSD29,459424+27%

04Clay County, SDSD15,031232−34%

05Lincoln County, SDSD77,145185−32%

06Brookings County, SDSD37,635183−54%

07Fall River County, SDSD7,467166+4%

08Davison County, SDSD20,069140+15%

09Meade County, SDSD30,711139−75%

10Butte County, SDSD10,856112−76%

11Union County, SDSD17,40290−47%

12Brown County, SDSD37,56183−78%

13Yankton County, SDSD23,63575−60%

14Hughes County, SDSD17,57063−74%

15Moody County, SDSD6,63261+5%

16Edmunds County, SDSD4,02260+94%

17Beadle County, SDSD19,62458−21%

18Codington County, SDSD29,56255−86%

19Day County, SDSD5,48454+6%

20Spink County, SDSD6,15554+315%

21Lake County, SDSD10,99353+179%

22Custer County, SDSD9,43149−73%

23Lyman County, SDSD3,69448−14%

24Perkins County, SDSD2,85347+2%

25Roberts County, SDSD10,25531−56%

26Dewey County, SDSD5,41930+1400%

27McCook County, SDSD5,96429−19%

28Hutchinson County, SDSD7,41328+8%

29Charles Mix County, SDSD9,30324−63%

30Bon Homme County, SDSD7,24422−61%

31Tripp County, SDSD5,70821−90%

32Kingsbury County, SDSD5,28419−76%

33Turner County, SDSD9,31419−80%

34Clark County, SDSD4,03115−63%

35Potter County, SDSD2,37715+67%

36Hamlin County, SDSD6,90014+27%

37Deuel County, SDSD4,40814−58%

38Ziebach County, SDSD2,38912+33%

39Brule County, SDSD5,27811−79%

40Faulk County, SDSD2,17810−82%

41Gregory County, SDSD4,0377−85%

42Aurora County, SDSD2,8016−68%

43Corson County, SDSD3,7816−75%

44McPherson County, SDSD2,3476–

45Mellette County, SDSD2,1376−40%

46Campbell County, SDSD1,3775–

47Hand County, SDSD3,1215−89%

48Jerauld County, SDSD1,6545−92%

49Walworth County, SDSD5,2175−92%

50Grant County, SDSD7,5344−95%

51Sanborn County, SDSD2,3884−89%

52Hanson County, SDSD3,4563−77%

53Harding County, SDSD1,3313−93%

54Douglas County, SDSD2,8881−96%

55Haakon County, SDSD1,8021−97%

56Miner County, SDSD2,2811−94%

57Todd County, SDSD8,8631−96%

SHOWING 1–57 OF 57

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