RANKING · 1990 CENSUS · 46 SHOWN OF 46

Least racially diverse, South Carolina counties · 1990

South Carolina counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (1990 ACS). This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide. The median across all 46 is 58.

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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

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Pickens County, SCSC139,19821–

02Oconee County, SCSC83,77522–

03Lexington County, SCSC317,58828–

04Anderson County, SCSC219,93036–

05Horry County, SCSC427,55139–

06Greenville County, SCSC583,12540–

07Cherokee County, SCSC58,27542–

08York County, SCSC306,88743–

09Spartanburg County, SCSC380,85744–

10Aiken County, SCSC181,51548–

11Lancaster County, SCSC114,29649–

12Dorchester County, SCSC178,39749–

13Laurens County, SCSC71,84852–

14Kershaw County, SCSC73,16652–

15Berkeley County, SCSC274,66653–

16Union County, SCSC26,79953–

17Greenwood County, SCSC70,37954–

18Abbeville County, SCSC24,83655–

19Allendale County, SCSC7,35556–

20Saluda County, SCSC19,68056–

21Chesterfield County, SCSC44,74057–

22Beaufort County, SCSC204,43357–

23Newberry County, SCSC39,56158–

24Williamsburg County, SCSC29,66258–

25Bamberg County, SCSC12,79660–

26Lee County, SCSC15,73060–

27Florence County, SCSC138,50460–

28Charleston County, SCSC436,20060–

29Fairfield County, SCSC20,34061–

30Darlington County, SCSC62,88861–

31McCormick County, SCSC10,21561–

32Chester County, SCSC33,00161–

33Orangeburg County, SCSC83,17762–

34Jasper County, SCSC38,53362–

35Georgetown County, SCSC65,91262–

36Hampton County, SCSC18,17462–

37Clarendon County, SCSC31,04362–

38Barnwell County, SCSC20,65363–

39Calhoun County, SCSC14,18863–

40Marion County, SCSC28,24263–

41Edgefield County, SCSC29,80863–

42Colleton County, SCSC39,38263–

43Sumter County, SCSC105,06764–

44Dillon County, SCSC27,45865–

45Richland County, SCSC434,95665–

46Marlboro County, SCSC25,48865–

SHOWING 1–46 OF 46

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