RANKING · 1990 CENSUS · 46 SHOWN OF 46

Youngest by median age, South Carolina counties · 1990

South Carolina counties with the youngest median age (1990 ACS). This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide. The median across all 46 is 32.7.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS –

01Berkeley County, SCSC274,66628.3–

02Sumter County, SCSC105,06729.5–

03Bamberg County, SCSC12,79629.7–

04Dorchester County, SCSC178,39729.8–

05Allendale County, SCSC7,35530.1–

06Charleston County, SCSC436,20030.2–

07Pickens County, SCSC139,19830.4–

08Richland County, SCSC434,95630.5–

09Beaufort County, SCSC204,43330.5–

10Jasper County, SCSC38,53330.7–

11Williamsburg County, SCSC29,66230.9–

12Lee County, SCSC15,73031.1–

13Orangeburg County, SCSC83,17731.2–

14Dillon County, SCSC27,45831.3–

15Hampton County, SCSC18,17431.6–

16Barnwell County, SCSC20,65331.6–

17Florence County, SCSC138,50432.1–

18Marlboro County, SCSC25,48832.2–

19Marion County, SCSC28,24232.2–

20York County, SCSC306,88732.3–

21Fairfield County, SCSC20,34032.4–

22McCormick County, SCSC10,21532.7–

23Georgetown County, SCSC65,91232.7–

24Aiken County, SCSC181,51532.7–

25Lexington County, SCSC317,58832.8–

26Edgefield County, SCSC29,80832.8–

27Clarendon County, SCSC31,04332.9–

28Colleton County, SCSC39,38232.9–

29Darlington County, SCSC62,88833.1–

30Chester County, SCSC33,00133.2–

31Chesterfield County, SCSC44,74033.3–

32Lancaster County, SCSC114,29633.4–

33Greenville County, SCSC583,12533.5–

34Greenwood County, SCSC70,37933.7–

35Cherokee County, SCSC58,27533.7–

36Horry County, SCSC427,55133.9–

37Spartanburg County, SCSC380,85734.1–

38Kershaw County, SCSC73,16634.1–

39Laurens County, SCSC71,84834.2–

40Calhoun County, SCSC14,18834.2–

41Abbeville County, SCSC24,83634.2–

42Newberry County, SCSC39,56134.3–

43Saluda County, SCSC19,68034.4–

44Anderson County, SCSC219,93035.1–

45Union County, SCSC26,79935.4–

46Oconee County, SCSC83,77535.6–

SHOWING 1–46 OF 46

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS