RANKING · 2020 CENSUS · 45 SHOWN OF 45

Largest Welsh population, South Carolina counties · 2020

South Carolina counties ranked by the number of residents who are Welsh 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 45 counties in South Carolina that qualify, ranked against each other statewide.

Welsh 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

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

01Greenville County, SCSC583,1254,330+74%

02Charleston County, SCSC436,2002,467+14%

03Horry County, SCSC427,5512,145+10%

04Lexington County, SCSC317,5881,989+55%

05York County, SCSC306,8871,940+52%

06Richland County, SCSC434,9561,375−14%

07Beaufort County, SCSC204,4331,288−10%

08Spartanburg County, SCSC380,8571,133+16%

09Berkeley County, SCSC274,6661,040−19%

10Aiken County, SCSC181,515928+3%

11Anderson County, SCSC219,930885−1%

12Dorchester County, SCSC178,397831+33%

13Darlington County, SCSC62,888637+237%

14Pickens County, SCSC139,198632−22%

15Lancaster County, SCSC114,296571+368%

16Florence County, SCSC138,504556−24%

17Oconee County, SCSC83,775440−23%

18Greenwood County, SCSC70,379429+136%

19Georgetown County, SCSC65,912329+21%

20Sumter County, SCSC105,067285−28%

21Chesterfield County, SCSC44,740253+86%

22Chester County, SCSC33,001248+64%

23Newberry County, SCSC39,561222+14%

24Clarendon County, SCSC31,043188+717%

25Laurens County, SCSC71,848180−34%

26Colleton County, SCSC39,382170+95%

27Kershaw County, SCSC73,166164−21%

28Edgefield County, SCSC29,808137+30%

29Cherokee County, SCSC58,275107−55%

30Lee County, SCSC15,73080+233%

31Abbeville County, SCSC24,83676−11%

32Jasper County, SCSC38,53375−46%

33Orangeburg County, SCSC83,17772+22%

34Marlboro County, SCSC25,48865−17%

35Union County, SCSC26,79960–

36Saluda County, SCSC19,68056+65%

37Fairfield County, SCSC20,34052+63%

38Dillon County, SCSC27,45847−45%

39Marion County, SCSC28,24246−48%

40McCormick County, SCSC10,21542−29%

41Williamsburg County, SCSC29,66235–

42Hampton County, SCSC18,17433–

43Calhoun County, SCSC14,18826−77%

44Allendale County, SCSC7,35511–

45Barnwell County, SCSC20,6532−86%

SHOWING 1–45 OF 45

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