RANKING · 1990 CENSUS · 46 SHOWN OF 46

Largest by population, South Carolina counties · 1990

The most populous South Carolina counties as of the 1990 population estimates. This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide. The median across all 46 is 44,506.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS –

01Greenville County, SCSC320,167–

02Charleston County, SCSC295,039–

03Richland County, SCSC285,720–

04Spartanburg County, SCSC226,800–

05Lexington County, SCSC167,611–

06Anderson County, SCSC145,196–

07Horry County, SCSC144,053–

08York County, SCSC131,497–

09Berkeley County, SCSC128,776–

10Aiken County, SCSC120,940–

11Florence County, SCSC114,344–

12Sumter County, SCSC102,637–

13Pickens County, SCSC93,894–

14Beaufort County, SCSC86,425–

15Orangeburg County, SCSC84,803–

16Dorchester County, SCSC83,060–

17Darlington County, SCSC61,851–

18Greenwood County, SCSC59,567–

19Laurens County, SCSC58,092–

20Oconee County, SCSC57,494–

21Lancaster County, SCSC54,516–

22Georgetown County, SCSC46,302–

23Cherokee County, SCSC44,506–

24Kershaw County, SCSC43,599–

25Chesterfield County, SCSC38,577–

26Williamsburg County, SCSC36,815–

27Colleton County, SCSC34,377–

28Marion County, SCSC33,899–

29Newberry County, SCSC33,172–

30Chester County, SCSC32,170–

31Union County, SCSC30,337–

32Marlboro County, SCSC29,361–

33Dillon County, SCSC29,114–

34Clarendon County, SCSC28,450–

35Abbeville County, SCSC23,862–

36Fairfield County, SCSC22,295–

37Barnwell County, SCSC20,293–

38Lee County, SCSC18,437–

39Edgefield County, SCSC18,375–

40Hampton County, SCSC18,191–

41Bamberg County, SCSC16,902–

42Saluda County, SCSC16,357–

43Jasper County, SCSC15,487–

44Calhoun County, SCSC12,753–

45Allendale County, SCSC11,722–

46McCormick County, SCSC8,868–

SHOWING 1–46 OF 46

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