RANKING · 2025 ESTIMATES · 46 SHOWN OF 46

Most population lost, South Carolina counties

South Carolina counties that lost the most residents from the 2020 census to 2025, by raw count of people rather than percentage. 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 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Williamsburg County, SCSC29,662-1,364−439%

02Marlboro County, SCSC25,488-1,179+117%

03Orangeburg County, SCSC83,177-1,046−115%

04Marion County, SCSC28,242-941−160%

05Dillon County, SCSC27,458-834−152%

06Lee County, SCSC15,730-801−148%

07Allendale County, SCSC7,355-684+34%

08Fairfield County, SCSC20,340-608−152%

09Bamberg County, SCSC12,796-515+111%

10Sumter County, SCSC105,067-489−124%

11Union County, SCSC26,799-445−2%

12Hampton County, SCSC18,174-387−112%

13Clarendon County, SCSC31,043-101−102%

14Darlington County, SCSC62,888-17−100%

15Barnwell County, SCSC20,653+64−98%

16Calhoun County, SCSC14,188+69−97%

17Abbeville County, SCSC24,836+541−77%

18McCormick County, SCSC10,215+689−37%

19Chester County, SCSC33,001+707−63%

20Colleton County, SCSC39,382+778−80%

21Saluda County, SCSC19,680+818−71%

22Greenwood County, SCSC70,379+1,028−85%

23Florence County, SCSC138,504+1,445−87%

24Chesterfield County, SCSC44,740+1,467−65%

25Newberry County, SCSC39,561+1,842−37%

26Cherokee County, SCSC58,275+2,059−74%

27Georgetown County, SCSC65,912+2,508−74%

28Edgefield County, SCSC29,808+4,151−33%

29Laurens County, SCSC71,848+4,309−62%

30Oconee County, SCSC83,775+5,168−41%

31Kershaw County, SCSC73,166+7,763−14%

32Pickens County, SCSC139,198+7,794−54%

33Jasper County, SCSC38,533+9,742+88%

34Aiken County, SCSC181,515+12,707−41%

35Anderson County, SCSC219,930+16,212−21%

36Dorchester County, SCSC178,397+16,857+26%

37Beaufort County, SCSC204,433+17,316−50%

38Lancaster County, SCSC114,296+18,280+167%

39Richland County, SCSC434,956+18,809−46%

40Lexington County, SCSC317,588+23,597−51%

41York County, SCSC306,887+24,797−25%

42Charleston County, SCSC436,200+27,965+87%

43Berkeley County, SCSC274,666+44,805+223%

44Spartanburg County, SCSC380,857+52,860+96%

45Greenville County, SCSC583,125+57,591−3%

46Horry County, SCSC427,551+76,522+46%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES