RANKING · 2010 CENSUS · 46 SHOWN OF 46

Largest by population, South Carolina counties · 2010

The most populous South Carolina counties as of the 2010 population estimates. 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 ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Greenville County, SCSC451,225+19%

02Richland County, SCSC384,504+20%

03Charleston County, SCSC350,209+13%

04Spartanburg County, SCSC284,307+12%

05Horry County, SCSC269,291+37%

06Lexington County, SCSC262,391+21%

07York County, SCSC226,073+37%

08Anderson County, SCSC187,126+13%

09Berkeley County, SCSC177,843+25%

10Beaufort County, SCSC162,233+34%

11Aiken County, SCSC160,099+12%

12Florence County, SCSC136,885+9%

13Dorchester County, SCSC136,555+42%

14Pickens County, SCSC119,224+8%

15Sumter County, SCSC107,456+3%

16Orangeburg County, SCSC92,501+1%

17Lancaster County, SCSC76,652+25%

18Oconee County, SCSC74,273+12%

19Greenwood County, SCSC69,661+5%

20Darlington County, SCSC68,681+2%

21Laurens County, SCSC66,537−4%

22Kershaw County, SCSC61,697+17%

23Georgetown County, SCSC60,158+8%

24Cherokee County, SCSC55,342+5%

25Chesterfield County, SCSC46,734+9%

26Colleton County, SCSC38,892+2%

27Newberry County, SCSC37,508+4%

28Clarendon County, SCSC34,971+8%

29Williamsburg County, SCSC34,423−8%

30Chester County, SCSC33,140−3%

31Marion County, SCSC33,062−7%

32Dillon County, SCSC32,062+4%

33Union County, SCSC28,961−3%

34Marlboro County, SCSC28,933+0%

35Edgefield County, SCSC26,985+10%

36Abbeville County, SCSC25,417−3%

37Jasper County, SCSC24,777+20%

38Fairfield County, SCSC23,956+2%

39Barnwell County, SCSC22,621−4%

40Hampton County, SCSC21,090−1%

41Saluda County, SCSC19,875+4%

42Lee County, SCSC19,220−4%

43Bamberg County, SCSC15,987−4%

44Calhoun County, SCSC15,175−0%

45Allendale County, SCSC10,419−7%

46McCormick County, SCSC10,233+3%

SHOWING 1–46 OF 46

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