RANKING · 2020 CENSUS · 46 SHOWN OF 46

Fastest shrinking, South Carolina counties

South Carolina counties with the steepest population decline since the prior decennial census. 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

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Allendale County, SCSC7,355-22.8%+424%

02Bamberg County, SCSC12,796-16.7%+1059%

03Lee County, SCSC15,730-14.0%−253%

04Fairfield County, SCSC20,340-12.6%−342%

05Hampton County, SCSC18,174-12.0%−168%

06Dillon County, SCSC27,458-11.8%−313%

07Marion County, SCSC28,242-11.7%−354%

08Clarendon County, SCSC31,043-10.9%−177%

09Williamsburg County, SCSC29,662-9.9%−1004%

10Barnwell County, SCSC20,653-9.0%−157%

11Orangeburg County, SCSC83,177-8.9%−212%

12Darlington County, SCSC62,888-8.4%−194%

13Marlboro County, SCSC25,488-7.8%+323%

14Chesterfield County, SCSC44,740-7.4%−168%

15Calhoun County, SCSC14,188-7.0%−136%

16McCormick County, SCSC10,215-6.9%−156%

17Union County, SCSC26,799-5.9%+294%

18Saluda County, SCSC19,680-5.1%−130%

19Edgefield County, SCSC29,808-4.9%−115%

20Abbeville County, SCSC24,836-4.4%−146%

21Chester County, SCSC33,001-2.6%−143%

22Sumter County, SCSC105,067-1.8%−190%

23Colleton County, SCSC39,382-0.7%−107%

24Greenwood County, SCSC70,379-0.4%−104%

25Florence County, SCSC138,504+0.1%−99%

26Newberry County, SCSC39,561+0.6%−94%

27Laurens County, SCSC71,848+1.5%−92%

28Cherokee County, SCSC58,275+1.6%−91%

29Georgetown County, SCSC65,912+5.4%−74%

30Aiken County, SCSC181,515+5.4%−70%

31Oconee County, SCSC83,775+5.8%−62%

32Kershaw County, SCSC73,166+6.0%−71%

33Richland County, SCSC434,956+8.2%−33%

34Anderson County, SCSC219,930+8.9%−37%

35Pickens County, SCSC139,198+10.2%−43%

36Lexington County, SCSC317,588+12.0%−58%

37Beaufort County, SCSC204,433+15.3%−62%

38Spartanburg County, SCSC380,857+15.4%+29%

39Jasper County, SCSC38,533+16.2%−52%

40Greenville County, SCSC583,125+16.5%−11%

41Charleston County, SCSC436,200+16.6%+227%

42Dorchester County, SCSC178,397+18.3%+14%

43York County, SCSC306,887+24.8%−2%

44Lancaster County, SCSC114,296+25.3%+101%

45Berkeley County, SCSC274,666+29.2%+171%

46Horry County, SCSC427,551+30.4%−17%

SHOWING 1–46 OF 46

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES