RANKING · 2020 CENSUS · 62 SHOWN OF 62

Largest Scotch-Irish population, South Dakota counties · 2020

South Dakota counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 62 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, SDSD116,7921,102−47%

02Minnehaha County, SDSD212,6911,085−14%

03Lawrence County, SDSD29,459375+12%

04Lincoln County, SDSD77,145314+16%

05Davison County, SDSD20,069177+45%

06Brookings County, SDSD37,635174−56%

07Fall River County, SDSD7,467143−11%

08Butte County, SDSD10,856139−71%

09Meade County, SDSD30,711136−76%

10Codington County, SDSD29,562133−66%

11Clay County, SDSD15,031132−62%

12Brown County, SDSD37,561111−71%

13Hughes County, SDSD17,57091−63%

14Moody County, SDSD6,63285+47%

15Yankton County, SDSD23,63574−60%

16Beadle County, SDSD19,62469−5%

17Hamlin County, SDSD6,90060+445%

18Bennett County, SDSD3,30758+1350%

19Union County, SDSD17,40255−67%

20Clark County, SDSD4,03154+32%

21Kingsbury County, SDSD5,28454−31%

22Perkins County, SDSD2,85347+2%

23Custer County, SDSD9,43145−75%

24Lake County, SDSD10,99337+95%

25Stanley County, SDSD3,01833+74%

26Hutchinson County, SDSD7,41332+23%

27Bon Homme County, SDSD7,24430−46%

28Gregory County, SDSD4,03727−44%

29Hand County, SDSD3,12125−43%

30Walworth County, SDSD5,21724−62%

31Turner County, SDSD9,31422−76%

32Haakon County, SDSD1,80222−24%

33Day County, SDSD5,48421−59%

34Edmunds County, SDSD4,02221−32%

35Jones County, SDSD91318−5%

36McCook County, SDSD5,96415−58%

37Roberts County, SDSD10,25515−79%

38Charles Mix County, SDSD9,30314−78%

39Hanson County, SDSD3,45612−8%

40Lyman County, SDSD3,69412−79%

41Tripp County, SDSD5,70811−95%

42Jerauld County, SDSD1,65410−84%

43Grant County, SDSD7,5349−90%

44Deuel County, SDSD4,4088−76%

45Douglas County, SDSD2,8888−65%

46Aurora County, SDSD2,8017−63%

47Buffalo County, SDSD1,8027–

48Marshall County, SDSD4,4267−75%

49Faulk County, SDSD2,1786−89%

50Hyde County, SDSD1,1916−33%

51Spink County, SDSD6,1556−54%

52Brule County, SDSD5,2785−90%

53Sanborn County, SDSD2,3884−89%

54Harding County, SDSD1,3314−90%

55Potter County, SDSD2,3774−56%

56Corson County, SDSD3,7813−88%

57Sully County, SDSD1,4792−71%

58Dewey County, SDSD5,4192+0%

59McPherson County, SDSD2,3472–

60Ziebach County, SDSD2,3892−78%

61Campbell County, SDSD1,3771–

62Todd County, SDSD8,8631−96%

SHOWING 1–62 OF 62

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