RANKING · 2020 CENSUS · 46 SHOWN OF 46

Most population lost, South Carolina counties · 2020

South Carolina counties that lost the most residents from the 2010 census to 2020, 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

01Orangeburg County, SCSC83,177-8,278−222%

02Darlington County, SCSC62,888-5,776−204%

03Marion County, SCSC28,242-3,879−348%

04Clarendon County, SCSC31,043-3,827−194%

05Dillon County, SCSC27,458-3,770−334%

06Chesterfield County, SCSC44,740-3,461−183%

07Williamsburg County, SCSC29,662-3,397−945%

08Fairfield County, SCSC20,340-3,008−360%

09Lee County, SCSC15,730-2,689−260%

10Bamberg County, SCSC12,796-2,676+997%

11Hampton County, SCSC18,174-2,529−179%

12Allendale County, SCSC7,355-2,380+366%

13Marlboro County, SCSC25,488-2,266+317%

14Barnwell County, SCSC20,653-2,032−164%

15Sumter County, SCSC105,067-1,900−195%

16Union County, SCSC26,799-1,717+277%

17Edgefield County, SCSC29,808-1,328−121%

18Abbeville County, SCSC24,836-1,122−149%

19Calhoun County, SCSC14,188-1,056−143%

20Saluda County, SCSC19,680-1,013−136%

21Chester County, SCSC33,001-846−145%

22McCormick County, SCSC10,215-707−165%

23Greenwood County, SCSC70,379-310−105%

24Colleton County, SCSC39,382-288−107%

25Florence County, SCSC138,504+174−98%

26Newberry County, SCSC39,561+211−93%

27Cherokee County, SCSC58,275+874−89%

28Laurens County, SCSC71,848+1,002−91%

29Georgetown County, SCSC65,912+3,246−66%

30Kershaw County, SCSC73,166+3,706−59%

31Jasper County, SCSC38,533+4,014−23%

32Oconee County, SCSC83,775+4,334−50%

33Aiken County, SCSC181,515+8,709−60%

34Pickens County, SCSC139,198+12,180−28%

35Anderson County, SCSC219,930+16,592−19%

36Lancaster County, SCSC114,296+19,364+183%

37Beaufort County, SCSC204,433+24,884−28%

38Dorchester County, SCSC178,397+24,985+87%

39Lexington County, SCSC317,588+31,600−35%

40Richland County, SCSC434,956+31,643−9%

41Spartanburg County, SCSC380,857+43,690+62%

42Berkeley County, SCSC274,666+52,018+275%

43York County, SCSC306,887+56,017+69%

44Charleston County, SCSC436,200+58,026+289%

45Greenville County, SCSC583,125+74,309+25%

46Horry County, SCSC427,551+81,738+55%

SHOWING 1–46 OF 46

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