RANKING · 2025 ESTIMATES · 46 SHOWN OF 46

Fastest shrinking, South Carolina counties

South Carolina counties with the steepest population decline from the 2020 census to 2025. This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide. The median across all 46 is +4.0%. Biggest climber in the top 100 since 2020: Marlboro County, SC, up 10 places to #3.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Allendale County, SCSC7,355-8.5%−4.1 pts

02▲1Lee County, SCSC15,730-4.8%−14.0 pts

03▲10Marlboro County, SCSC25,488-4.4%−2.6 pts

04▲5Williamsburg County, SCSC29,662-4.4%−5.5 pts

05▼3Bamberg County, SCSC12,796-3.9%−2.4 pts

06▲1Marion County, SCSC28,242-3.2%−7.8 pts

07▼1Dillon County, SCSC27,458-2.9%−8.5 pts

08▼4Fairfield County, SCSC20,340-2.9%−8.1 pts

09▼4Hampton County, SCSC18,174-2.1%−19.6 pts

10▲7Union County, SCSC26,799-1.6%−0.1 pts

11Orangeburg County, SCSC83,177-1.2%−9.2 pts

12▲10Sumter County, SCSC105,067-0.5%−2.4 pts

13▼5Clarendon County, SCSC31,043-0.3%−14.6 pts

14▼2Darlington County, SCSC62,888-0.0%−9.0 pts

15▼5Barnwell County, SCSC20,653+0.3%−15.4 pts

16▼1Calhoun County, SCSC14,188+0.5%−18.6 pts

17▲8Florence County, SCSC138,504+1.1%−8.9 pts

18▲6Greenwood County, SCSC70,379+1.5%−9.8 pts

19▲4Colleton County, SCSC39,382+2.0%−9.3 pts

20▲1Chester County, SCSC33,001+2.2%−3.7 pts

21▼1Abbeville County, SCSC24,836+2.2%−7.4 pts

22▼8Chesterfield County, SCSC44,740+3.4%−7.5 pts

23▲5Cherokee County, SCSC58,275+3.7%−14.4 pts

24▲5Georgetown County, SCSC65,912+4.0%−16.6 pts

25▼7Saluda County, SCSC19,680+4.3%−12.9 pts

26▲7Richland County, SCSC434,956+4.5%−7.7 pts

27▼1Newberry County, SCSC39,561+4.9%−4.0 pts

28▲7Pickens County, SCSC139,198+5.9%−12.0 pts

29▼2Laurens County, SCSC71,848+6.4%−13.4 pts

30▲1Oconee County, SCSC83,775+6.6%−8.6 pts

31▲10Charleston County, SCSC436,200+6.9%+1.8 pts

32▼16McCormick County, SCSC10,215+7.2%−5.1 pts

33▼3Aiken County, SCSC181,515+7.5%−10.3 pts

34Anderson County, SCSC219,930+8.0%−6.2 pts

35▲1Lexington County, SCSC317,588+8.0%−20.9 pts

36▲7York County, SCSC306,887+8.8%−16.4 pts

37Beaufort County, SCSC204,433+9.3%−30.7 pts

38▲4Dorchester County, SCSC178,397+10.4%−5.6 pts

39▲1Greenville County, SCSC583,125+11.0%−7.6 pts

40▼8Kershaw County, SCSC73,166+11.9%−8.9 pts

41▼3Spartanburg County, SCSC380,857+16.1%+4.2 pts

42▼23Edgefield County, SCSC29,808+16.2%−17.7 pts

43▲1Lancaster County, SCSC114,296+19.0%+6.5 pts

44▲1Berkeley County, SCSC274,666+19.5%+8.7 pts

45▲1Horry County, SCSC427,551+21.8%−14.7 pts

46▼7Jasper County, SCSC38,533+33.8%+0.3 pts

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES