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 (2024 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. The median across all 46 is 6.9%. Biggest climber in the top 100 since 2020: Colleton County, SC, up 16 places to #18.

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South CarolinaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2010

01Oconee County, SCSC83,77513.9%−0.1 pts

02▲2Pickens County, SCSC139,19812.8%−0.1 pts

03▼1Beaufort County, SCSC204,43312.2%−1.2 pts

04▼1Horry County, SCSC427,55112.0%−1.4 pts

05▲1York County, SCSC306,88711.5%−0.8 pts

06▲3Anderson County, SCSC219,93011.2%−2.4 pts

07▲6Charleston County, SCSC436,20010.6%+0.4 pts

08Lexington County, SCSC317,58810.4%−1.4 pts

09▲2Greenville County, SCSC583,12510.1%−0.6 pts

10▼3Lancaster County, SCSC114,29610.0%+2.1 pts

11▼6Georgetown County, SCSC65,9129.8%+0.8 pts

12▲3Berkeley County, SCSC274,6669.7%+0.1 pts

13▲1McCormick County, SCSC10,2159.1%+3.2 pts

14▲2Spartanburg County, SCSC380,8578.9%−1.5 pts

15▼3Aiken County, SCSC181,5158.7%0.0 pts

16▲3Laurens County, SCSC71,8488.4%−1.4 pts

17▼7Dorchester County, SCSC178,3978.4%−2.7 pts

18▲16Colleton County, SCSC39,3828.3%+3.1 pts

19▲2Jasper County, SCSC38,5338.1%+1.0 pts

20▲2Cherokee County, SCSC58,2758.0%−1.7 pts

21▼4Union County, SCSC26,7997.9%−0.5 pts

22▼4Kershaw County, SCSC73,1667.7%0.0 pts

23▲6Edgefield County, SCSC29,8086.9%+0.2 pts

24▼4Abbeville County, SCSC24,8366.8%−4.1 pts

25Greenwood County, SCSC70,3796.3%−1.9 pts

26Saluda County, SCSC19,6806.1%−2.1 pts

27▲6Chester County, SCSC33,0016.0%−1.5 pts

28▼5Darlington County, SCSC62,8885.9%+0.7 pts

29▼5Newberry County, SCSC39,5615.9%−1.8 pts

30▼2Chesterfield County, SCSC44,7405.8%−0.1 pts

31▲1Richland County, SCSC434,9565.8%−1.8 pts

32▼1Sumter County, SCSC105,0675.6%−0.1 pts

33▼6Florence County, SCSC138,5045.3%−1.5 pts

34▼4Clarendon County, SCSC31,0435.2%−1.6 pts

35▲8Hampton County, SCSC18,1744.8%−1.6 pts

36▲2Fairfield County, SCSC20,3404.4%−1.0 pts

37▲8Allendale County, SCSC7,3553.7%+1.5 pts

38▲2Williamsburg County, SCSC29,6623.2%+1.2 pts

39Orangeburg County, SCSC83,1773.2%−0.7 pts

40▼5Calhoun County, SCSC14,1883.1%−5.3 pts

41▲3Barnwell County, SCSC20,6533.0%−1.7 pts

42Lee County, SCSC15,7302.8%+0.4 pts

43▼2Marion County, SCSC28,2422.6%−2.6 pts

44▼8Marlboro County, SCSC25,4882.4%−2.0 pts

45▼8Dillon County, SCSC27,4582.2%−3.2 pts

46Bamberg County, SCSC12,7962.1%−0.7 pts

SHOWING 1–46 OF 46

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES