RANKING · 2020 CENSUS · 46 SHOWN OF 46

Largest Scotch-Irish population, South Carolina counties · 2020

South Carolina 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 46 counties in South Carolina 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

01Greenville County, SCSC583,12515,750−1%

02York County, SCSC306,88711,566−10%

03Horry County, SCSC427,5517,991+3%

04Spartanburg County, SCSC380,8577,977−26%

05Lexington County, SCSC317,5887,837−15%

06Richland County, SCSC434,9567,686−36%

07Charleston County, SCSC436,2006,766−39%

08Anderson County, SCSC219,9305,987−23%

09Florence County, SCSC138,5043,538−39%

10Berkeley County, SCSC274,6663,448−21%

11Pickens County, SCSC139,1983,258−42%

12Beaufort County, SCSC204,4332,933−28%

13Lancaster County, SCSC114,2962,593−17%

14Aiken County, SCSC181,5152,462−32%

15Dorchester County, SCSC178,3972,181−31%

16Oconee County, SCSC83,7752,052−29%

17Greenwood County, SCSC70,3792,015−29%

18Darlington County, SCSC62,8881,952+9%

19Laurens County, SCSC71,8481,816−26%

20Kershaw County, SCSC73,1661,570−7%

21Sumter County, SCSC105,0671,420−37%

22Georgetown County, SCSC65,9121,141−47%

23Cherokee County, SCSC58,2751,054−34%

24Chester County, SCSC33,001979−22%

25Clarendon County, SCSC31,043918+25%

26Chesterfield County, SCSC44,740795−58%

27Fairfield County, SCSC20,340650−34%

28Abbeville County, SCSC24,836642−56%

29Dillon County, SCSC27,458639−49%

30Marlboro County, SCSC25,488590−31%

31Union County, SCSC26,799519−30%

32Marion County, SCSC28,242481−50%

33Newberry County, SCSC39,561415−56%

34Lee County, SCSC15,730369+125%

35Williamsburg County, SCSC29,662331−65%

36Orangeburg County, SCSC83,177322−61%

37Colleton County, SCSC39,382226−65%

38Barnwell County, SCSC20,653224−11%

39Edgefield County, SCSC29,808215−77%

40Saluda County, SCSC19,680203−53%

41Calhoun County, SCSC14,188145−40%

42Hampton County, SCSC18,174111−15%

43Allendale County, SCSC7,355100−6%

44McCormick County, SCSC10,21590−60%

45Jasper County, SCSC38,53379−90%

46Bamberg County, SCSC12,79612−94%

SHOWING 1–46 OF 46

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