RANKING · 2010 CENSUS · 46 SHOWN OF 46

Highest Irish population share, South Carolina counties · 2010

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.

South CarolinaAll states All rankings

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, SCSC83,77514.0%–

02Anderson County, SCSC219,93013.6%–

03Beaufort County, SCSC204,43313.4%–

04Horry County, SCSC427,55113.3%–

05Pickens County, SCSC139,19812.9%–

06York County, SCSC306,88712.3%–

07Lexington County, SCSC317,58811.8%–

08Dorchester County, SCSC178,39711.1%–

09Abbeville County, SCSC24,83610.9%–

10Greenville County, SCSC583,12510.7%–

11Spartanburg County, SCSC380,85710.5%–

12Charleston County, SCSC436,20010.2%–

13Laurens County, SCSC71,8489.8%–

14Cherokee County, SCSC58,2759.7%–

15Berkeley County, SCSC274,6669.6%–

16Georgetown County, SCSC65,9129.0%–

17Aiken County, SCSC181,5158.6%–

18Calhoun County, SCSC14,1888.5%–

19Union County, SCSC26,7998.4%–

20Saluda County, SCSC19,6808.2%–

21Greenwood County, SCSC70,3798.2%–

22Lancaster County, SCSC114,2968.0%–

23Newberry County, SCSC39,5617.7%–

24Kershaw County, SCSC73,1667.7%–

25Richland County, SCSC434,9567.6%–

26Chester County, SCSC33,0017.5%–

27Jasper County, SCSC38,5337.1%–

28Clarendon County, SCSC31,0436.8%–

29Edgefield County, SCSC29,8086.7%–

30Florence County, SCSC138,5046.7%–

31Hampton County, SCSC18,1746.4%–

32McCormick County, SCSC10,2156.0%–

33Chesterfield County, SCSC44,7405.9%–

34Sumter County, SCSC105,0675.7%–

35Dillon County, SCSC27,4585.4%–

36Fairfield County, SCSC20,3405.4%–

37Darlington County, SCSC62,8885.3%–

38Colleton County, SCSC39,3825.2%–

39Marion County, SCSC28,2425.2%–

40Barnwell County, SCSC20,6534.7%–

41Marlboro County, SCSC25,4884.4%–

42Orangeburg County, SCSC83,1773.9%–

43Bamberg County, SCSC12,7962.7%–

44Lee County, SCSC15,7302.4%–

45Allendale County, SCSC7,3552.2%–

46Williamsburg County, SCSC29,6622.0%–

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