RANKING · 2024 ACS · 46 SHOWN OF 46

Highest Irish population share, South Carolina counties

South Carolina counties ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPIRISH SHAREVS 2000

01Oconee County, SCSC83,77513.9%–

02Pickens County, SCSC139,19812.8%–

03Beaufort County, SCSC204,43312.2%–

04Horry County, SCSC427,55112.0%–

05York County, SCSC306,88711.5%–

06Anderson County, SCSC219,93011.2%–

07Charleston County, SCSC436,20010.6%–

08Lexington County, SCSC317,58810.4%–

09Greenville County, SCSC583,12510.1%–

10Lancaster County, SCSC114,29610.0%–

11Georgetown County, SCSC65,9129.8%–

12Berkeley County, SCSC274,6669.7%–

13McCormick County, SCSC10,2159.1%–

14Spartanburg County, SCSC380,8578.9%–

15Aiken County, SCSC181,5158.7%–

16Laurens County, SCSC71,8488.4%–

17Dorchester County, SCSC178,3978.4%–

18Colleton County, SCSC39,3828.3%–

19Jasper County, SCSC38,5338.1%–

20Cherokee County, SCSC58,2758.0%–

21Union County, SCSC26,7997.9%–

22Kershaw County, SCSC73,1667.7%–

23Edgefield County, SCSC29,8086.9%–

24Abbeville County, SCSC24,8366.8%–

25Greenwood County, SCSC70,3796.3%–

26Saluda County, SCSC19,6806.1%–

27Chester County, SCSC33,0016.0%–

28Darlington County, SCSC62,8885.9%–

29Newberry County, SCSC39,5615.9%–

30Chesterfield County, SCSC44,7405.8%–

31Richland County, SCSC434,9565.8%–

32Sumter County, SCSC105,0675.6%–

33Florence County, SCSC138,5045.3%–

34Clarendon County, SCSC31,0435.2%–

35Hampton County, SCSC18,1744.8%–

36Fairfield County, SCSC20,3404.4%–

37Allendale County, SCSC7,3553.7%–

38Williamsburg County, SCSC29,6623.2%–

39Orangeburg County, SCSC83,1773.2%–

40Calhoun County, SCSC14,1883.1%–

41Barnwell County, SCSC20,6533.0%–

42Lee County, SCSC15,7302.8%–

43Marion County, SCSC28,2422.6%–

44Marlboro County, SCSC25,4882.4%–

45Dillon County, SCSC27,4582.2%–

46Bamberg County, SCSC12,7962.1%–

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES