RANKING · 1990 CENSUS · 46 SHOWN OF 46

Youngest by median age, South Carolina counties · 1990

South Carolina counties with the youngest median age (2023 ACS). 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 ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Berkeley County, SCSC274,66628.3−11%

02Sumter County, SCSC105,06729.5−12%

03Bamberg County, SCSC12,79629.7−16%

04Dorchester County, SCSC178,39729.8−14%

05Allendale County, SCSC7,35530.1−14%

06Charleston County, SCSC436,20030.2−13%

07Pickens County, SCSC139,19830.4−7%

08Richland County, SCSC434,95630.5−7%

09Beaufort County, SCSC204,43330.5−15%

10Jasper County, SCSC38,53330.7−9%

11Williamsburg County, SCSC29,66230.9−13%

12Lee County, SCSC15,73031.1−13%

13Orangeburg County, SCSC83,17731.2−12%

14Dillon County, SCSC27,45831.3−9%

15Hampton County, SCSC18,17431.6−9%

16Barnwell County, SCSC20,65331.6−11%

17Florence County, SCSC138,50432.1−9%

18Marlboro County, SCSC25,48832.2−9%

19Marion County, SCSC28,24232.2−8%

20York County, SCSC306,88732.3−8%

21Fairfield County, SCSC20,34032.4−12%

22McCormick County, SCSC10,21532.7−20%

23Georgetown County, SCSC65,91232.7−16%

24Aiken County, SCSC181,51532.7−10%

25Lexington County, SCSC317,58832.8−8%

26Edgefield County, SCSC29,80832.8−8%

27Clarendon County, SCSC31,04332.9−11%

28Colleton County, SCSC39,38232.9−10%

29Darlington County, SCSC62,88833.1−8%

30Chester County, SCSC33,00133.2−8%

31Chesterfield County, SCSC44,74033.3−7%

32Lancaster County, SCSC114,29633.4−7%

33Greenville County, SCSC583,12533.5−6%

34Greenwood County, SCSC70,37933.7−4%

35Cherokee County, SCSC58,27533.7−5%

36Horry County, SCSC427,55133.9−12%

37Spartanburg County, SCSC380,85734.1−6%

38Kershaw County, SCSC73,16634.1−9%

39Laurens County, SCSC71,84834.2−6%

40Calhoun County, SCSC14,18834.2−12%

41Abbeville County, SCSC24,83634.2−7%

42Newberry County, SCSC39,56134.3−8%

43Saluda County, SCSC19,68034.4−7%

44Anderson County, SCSC219,93035.1−6%

45Union County, SCSC26,79935.4−8%

46Oconee County, SCSC83,77535.6−10%

SHOWING 1–46 OF 46

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