RANKING · 2024 ACS · 46 SHOWN OF 46

Youngest by median age, South Carolina counties

South Carolina counties with the youngest median age (2024 ACS). This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide. The median across all 46 is 41.9. Biggest climber in the top 100 since 2020: Dillon County, SC, up 7 places to #7.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Richland County, SCSC434,95634.4+6%

02Pickens County, SCSC139,19836.2+11%

03Berkeley County, SCSC274,66636.9+15%

04▲3Spartanburg County, SCSC380,85737.8+5%

05▲3Sumter County, SCSC105,06738.0+14%

06▼2Dorchester County, SCSC178,39738.0+10%

07▲7Dillon County, SCSC27,45838.2+12%

08▼2Greenville County, SCSC583,12538.4+8%

09▼4Charleston County, SCSC436,20039.2+14%

10▲2Florence County, SCSC138,50439.4+11%

11▼2York County, SCSC306,88739.7+14%

12▼2Lexington County, SCSC317,58839.8+11%

13▼2Greenwood County, SCSC70,37940.1+14%

14▲6Barnwell County, SCSC20,65340.4+14%

15▼2Cherokee County, SCSC58,27540.4+14%

16▲1Kershaw County, SCSC73,16640.4+8%

17▼2Anderson County, SCSC219,93040.6+9%

18▲1Orangeburg County, SCSC83,17740.7+15%

19▲5Hampton County, SCSC18,17440.9+18%

20▼4Laurens County, SCSC71,84840.9+13%

21▲2Darlington County, SCSC62,88841.3+15%

22▲7Edgefield County, SCSC29,80841.6+17%

23▼2Marlboro County, SCSC25,48841.7+18%

24▲3Newberry County, SCSC39,56141.9+13%

25▼3Chesterfield County, SCSC44,74042.0+18%

26▲7Colleton County, SCSC39,38242.0+15%

27▼9Aiken County, SCSC181,51542.0+15%

28▲4Bamberg County, SCSC12,79642.3+20%

29▼1Chester County, SCSC33,00142.4+18%

30▲6Lee County, SCSC15,73042.4+19%

31▼6Lancaster County, SCSC114,29642.5+18%

32▼2Marion County, SCSC28,24242.6+21%

33▼2Saluda County, SCSC19,68042.6+15%

34▲3Williamsburg County, SCSC29,66243.2+22%

35▼1Abbeville County, SCSC24,83644.0+19%

36▼1Union County, SCSC26,79944.5+15%

37▲3Allendale County, SCSC7,35544.7+27%

38▼12Jasper County, SCSC38,53345.3+34%

39▼1Clarendon County, SCSC31,04345.9+24%

40▲2Calhoun County, SCSC14,18847.0+21%

41▼2Oconee County, SCSC83,77547.3+20%

42▲2Fairfield County, SCSC20,34047.4+28%

43▼2Beaufort County, SCSC204,43348.1+34%

44▼1Horry County, SCSC427,55148.7+27%

45Georgetown County, SCSC65,91252.2+34%

46McCormick County, SCSC10,21559.5+45%

SHOWING 1–46 OF 46

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES