RANKING · 2024 ACS · 46 SHOWN OF 46

Oldest by median age, South Carolina counties

South Carolina counties ranked by median age of residents (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: Jasper County, SC, up 11 places to #9.

Flip the list · Youngest by median age, US counties →

South CarolinaAll states All rankings

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

01McCormick County, SCSC10,21559.5+45%

02Georgetown County, SCSC65,91252.2+34%

03▲2Horry County, SCSC427,55148.7+27%

04▲2Beaufort County, SCSC204,43348.1+34%

05▼2Fairfield County, SCSC20,34047.4+28%

06▲3Oconee County, SCSC83,77547.3+20%

07▼3Calhoun County, SCSC14,18847.0+21%

08Clarendon County, SCSC31,04345.9+24%

09▲11Jasper County, SCSC38,53345.3+34%

10▼3Allendale County, SCSC7,35544.7+27%

11▲1Union County, SCSC26,79944.5+15%

12▲1Abbeville County, SCSC24,83644.0+19%

13▼2Williamsburg County, SCSC29,66243.2+22%

14▲4Marion County, SCSC28,24242.6+21%

15▲1Saluda County, SCSC19,68042.6+15%

16▲7Lancaster County, SCSC114,29642.5+18%

17▲2Chester County, SCSC33,00142.4+18%

18▼8Lee County, SCSC15,73042.4+19%

19▼4Bamberg County, SCSC12,79642.3+20%

20▲4Chesterfield County, SCSC44,74042.0+18%

21▼7Colleton County, SCSC39,38242.0+15%

22▲7Aiken County, SCSC181,51542.0+15%

23▼2Newberry County, SCSC39,56141.9+13%

24▲2Marlboro County, SCSC25,48841.7+18%

25▼8Edgefield County, SCSC29,80841.6+17%

26▼1Darlington County, SCSC62,88841.3+15%

27▼5Hampton County, SCSC18,17440.9+18%

28▲3Laurens County, SCSC71,84840.9+13%

29▲1Orangeburg County, SCSC83,17740.7+15%

30▲2Anderson County, SCSC219,93040.6+9%

31▼4Barnwell County, SCSC20,65340.4+14%

32▲2Cherokee County, SCSC58,27540.4+14%

33▼5Kershaw County, SCSC73,16640.4+8%

34▲2Greenwood County, SCSC70,37940.1+14%

35▲2Lexington County, SCSC317,58839.8+11%

36▲2York County, SCSC306,88739.7+14%

37▼2Florence County, SCSC138,50439.4+11%

38▲4Charleston County, SCSC436,20039.2+14%

39▲2Greenville County, SCSC583,12538.4+8%

40▼7Dillon County, SCSC27,45838.2+12%

41▼2Sumter County, SCSC105,06738.0+14%

42▲1Dorchester County, SCSC178,39738.0+10%

43▼3Spartanburg County, SCSC380,85737.8+5%

44Berkeley County, SCSC274,66636.9+15%

45Pickens County, SCSC139,19836.2+11%

46Richland County, SCSC434,95634.4+6%

SHOWING 1–46 OF 46

Download CSV (full list, 46 rows)

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