CensusEasy
RANKING · 1990 CENSUS · 46 SHOWN OF 46

Most racially diverse, South Carolina counties · 1990

South Carolina counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different 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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Most racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS –
01Marlboro County, SCSC25,48865–
02Richland County, SCSC434,95665–
03Dillon County, SCSC27,45865–
04Sumter County, SCSC105,06764–
05Colleton County, SCSC39,38263–
06Edgefield County, SCSC29,80863–
07Marion County, SCSC28,24263–
08Calhoun County, SCSC14,18863–
09Barnwell County, SCSC20,65363–
10Clarendon County, SCSC31,04362–
11Hampton County, SCSC18,17462–
12Georgetown County, SCSC65,91262–
13Jasper County, SCSC38,53362–
14Orangeburg County, SCSC83,17762–
15Chester County, SCSC33,00161–
16McCormick County, SCSC10,21561–
17Darlington County, SCSC62,88861–
18Fairfield County, SCSC20,34061–
19Charleston County, SCSC436,20060–
20Florence County, SCSC138,50460–
21Lee County, SCSC15,73060–
22Bamberg County, SCSC12,79660–
24Newberry County, SCSC39,56158–
25Beaufort County, SCSC204,43357–
27Saluda County, SCSC19,68056–
28Allendale County, SCSC7,35556–
29Abbeville County, SCSC24,83655–
30Greenwood County, SCSC70,37954–
31Union County, SCSC26,79953–
32Berkeley County, SCSC274,66653–
33Kershaw County, SCSC73,16652–
34Laurens County, SCSC71,84852–
35Dorchester County, SCSC178,39749–
36Lancaster County, SCSC114,29649–
37Aiken County, SCSC181,51548–
38Spartanburg County, SCSC380,85744–
39York County, SCSC306,88743–
40Cherokee County, SCSC58,27542–
41Greenville County, SCSC583,12540–
42Horry County, SCSC427,55139–
43Anderson County, SCSC219,93036–
44Lexington County, SCSC317,58828–
45Oconee County, SCSC83,77522–
46Pickens County, SCSC139,19821–
SHOWING 1–46 OF 46

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