RANKING · 2020 CENSUS · 46 SHOWN OF 46

Fastest growing, South Carolina counties · 2020

South Carolina counties ranked by population growth from the 2010 census to 2020. 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

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Horry County, SCSC427,551+30.4%−17%

02Berkeley County, SCSC274,666+29.2%+171%

03Lancaster County, SCSC114,296+25.3%+101%

04York County, SCSC306,887+24.8%−2%

05Dorchester County, SCSC178,397+18.3%+14%

06Charleston County, SCSC436,200+16.6%+227%

07Greenville County, SCSC583,125+16.5%−11%

08Jasper County, SCSC38,533+16.2%−52%

09Spartanburg County, SCSC380,857+15.4%+29%

10Beaufort County, SCSC204,433+15.3%−62%

11Lexington County, SCSC317,588+12.0%−58%

12Pickens County, SCSC139,198+10.2%−43%

13Anderson County, SCSC219,930+8.9%−37%

14Richland County, SCSC434,956+8.2%−33%

15Kershaw County, SCSC73,166+6.0%−71%

16Oconee County, SCSC83,775+5.8%−62%

17Aiken County, SCSC181,515+5.4%−70%

18Georgetown County, SCSC65,912+5.4%−74%

19Cherokee County, SCSC58,275+1.6%−91%

20Laurens County, SCSC71,848+1.5%−92%

21Newberry County, SCSC39,561+0.6%−94%

22Florence County, SCSC138,504+0.1%−99%

23Greenwood County, SCSC70,379-0.4%−104%

24Colleton County, SCSC39,382-0.7%−107%

25Sumter County, SCSC105,067-1.8%−190%

26Chester County, SCSC33,001-2.6%−143%

27Abbeville County, SCSC24,836-4.4%−146%

28Edgefield County, SCSC29,808-4.9%−115%

29Saluda County, SCSC19,680-5.1%−130%

30Union County, SCSC26,799-5.9%+294%

31McCormick County, SCSC10,215-6.9%−156%

32Calhoun County, SCSC14,188-7.0%−136%

33Chesterfield County, SCSC44,740-7.4%−168%

34Marlboro County, SCSC25,488-7.8%+323%

35Darlington County, SCSC62,888-8.4%−194%

36Orangeburg County, SCSC83,177-8.9%−212%

37Barnwell County, SCSC20,653-9.0%−157%

38Williamsburg County, SCSC29,662-9.9%−1004%

39Clarendon County, SCSC31,043-10.9%−177%

40Marion County, SCSC28,242-11.7%−354%

41Dillon County, SCSC27,458-11.8%−313%

42Hampton County, SCSC18,174-12.0%−168%

43Fairfield County, SCSC20,340-12.6%−342%

44Lee County, SCSC15,730-14.0%−253%

45Bamberg County, SCSC12,796-16.7%+1059%

46Allendale County, SCSC7,355-22.8%+424%

SHOWING 1–46 OF 46

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