RANKING · 2010 CENSUS · 46 SHOWN OF 46

Most sparsely populated, South Carolina counties · 2010

South Carolina counties with the fewest residents per square mile (2023). 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 growing Fastest shrinking Most densely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Allendale County, SCSC7,35526−7%

02McCormick County, SCSC10,21529+3%

03Fairfield County, SCSC20,34035+2%

04Colleton County, SCSC39,38237+2%

05Williamsburg County, SCSC29,66237−8%

06Hampton County, SCSC18,17438−1%

07Jasper County, SCSC38,53338+20%

08Calhoun County, SCSC14,18840−0%

09Bamberg County, SCSC12,79641−4%

10Barnwell County, SCSC20,65341−4%

11Saluda County, SCSC19,68044+4%

12Lee County, SCSC15,73047−4%

13Abbeville County, SCSC24,83652−3%

14Edgefield County, SCSC29,80854+10%

15Union County, SCSC26,79956−3%

16Chester County, SCSC33,00157−3%

17Clarendon County, SCSC31,04358+8%

18Chesterfield County, SCSC44,74058+9%

19Newberry County, SCSC39,56160+4%

20Marlboro County, SCSC25,48860+0%

21Marion County, SCSC28,24268−7%

22Georgetown County, SCSC65,91274+8%

23Dillon County, SCSC27,45879+4%

24Orangeburg County, SCSC83,17784+1%

25Kershaw County, SCSC73,16685+17%

26Laurens County, SCSC71,84893−4%

27Oconee County, SCSC83,775119+12%

28Darlington County, SCSC62,888123+2%

29Lancaster County, SCSC114,296140+25%

30Cherokee County, SCSC58,275141+5%

31Aiken County, SCSC181,515150+12%

32Greenwood County, SCSC70,379153+5%

33Berkeley County, SCSC274,666161+25%

34Sumter County, SCSC105,067162+3%

35Florence County, SCSC138,504171+9%

36Horry County, SCSC427,551238+37%

37Pickens County, SCSC139,198240+8%

38Dorchester County, SCSC178,397240+42%

39Anderson County, SCSC219,930262+13%

40Beaufort County, SCSC204,433282+34%

41York County, SCSC306,887332+37%

42Spartanburg County, SCSC380,857352+12%

43Lexington County, SCSC317,588375+21%

44Charleston County, SCSC436,200381+13%

45Richland County, SCSC434,956508+20%

46Greenville County, SCSC583,125574+19%

SHOWING 1–46 OF 46

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