RANKING · 2010 CENSUS · 46 SHOWN OF 46

Largest Irish population, South Carolina counties · 2010

South Carolina counties ranked by the number of residents who are Irish ancestry, from the 2010 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. The median across all 46 is 3,627.

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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 POPULATIONVS –

01Greenville County, SCSC583,12546,750–

02Charleston County, SCSC436,20034,851–

03Horry County, SCSC427,55134,399–

04Lexington County, SCSC317,58829,928–

05Spartanburg County, SCSC380,85729,088–

06Richland County, SCSC434,95628,198–

07York County, SCSC306,88726,398–

08Anderson County, SCSC219,93024,931–

09Beaufort County, SCSC204,43320,891–

10Berkeley County, SCSC274,66616,387–

11Pickens County, SCSC139,19815,152–

12Dorchester County, SCSC178,39714,443–

13Aiken County, SCSC181,51513,543–

14Oconee County, SCSC83,77510,252–

15Florence County, SCSC138,5049,049–

16Laurens County, SCSC71,8486,579–

17Sumter County, SCSC105,0676,090–

18Lancaster County, SCSC114,2965,766–

19Greenwood County, SCSC70,3795,628–

20Georgetown County, SCSC65,9125,393–

21Cherokee County, SCSC58,2755,305–

22Kershaw County, SCSC73,1664,622–

23Darlington County, SCSC62,8883,627–

24Orangeburg County, SCSC83,1773,621–

25Newberry County, SCSC39,5612,863–

26Abbeville County, SCSC24,8362,804–

27Chesterfield County, SCSC44,7402,716–

28Chester County, SCSC33,0012,486–

29Union County, SCSC26,7992,447–

30Clarendon County, SCSC31,0432,357–

31Colleton County, SCSC39,3822,038–

32Edgefield County, SCSC29,8081,795–

33Marion County, SCSC28,2421,746–

34Dillon County, SCSC27,4581,710–

35Jasper County, SCSC38,5331,689–

36Saluda County, SCSC19,6801,611–

37Hampton County, SCSC18,1741,357–

38Fairfield County, SCSC20,3401,291–

39Calhoun County, SCSC14,1881,286–

40Marlboro County, SCSC25,4881,277–

41Barnwell County, SCSC20,6531,079–

42Williamsburg County, SCSC29,662710–

43McCormick County, SCSC10,215608–

44Lee County, SCSC15,730468–

45Bamberg County, SCSC12,796443–

46Allendale County, SCSC7,355237–

SHOWING 1–46 OF 46

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS