RANKING · 2020 CENSUS · 46 SHOWN OF 46

Highest Medicaid coverage, South Carolina counties · 2020

South Carolina counties ranked by the share of people covered by Medicaid or other means-tested public insurance, alone or in combination with other coverage (2020 ACS). This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide.

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

RANKPLACESTATEPOPMEDICAIDVS –

01Lee County, SCSC15,73035.1%–

02Williamsburg County, SCSC29,66233.8%–

03Dillon County, SCSC27,45833.6%–

04Marlboro County, SCSC25,48833.1%–

05Marion County, SCSC28,24232.7%–

06Allendale County, SCSC7,35532.3%–

07Clarendon County, SCSC31,04331.4%–

08Orangeburg County, SCSC83,17731.3%–

09Barnwell County, SCSC20,65330.4%–

10Darlington County, SCSC62,88828.8%–

11Sumter County, SCSC105,06727.4%–

12Union County, SCSC26,79926.5%–

13Calhoun County, SCSC14,18826.0%–

14McCormick County, SCSC10,21525.6%–

15Chesterfield County, SCSC44,74025.0%–

16Jasper County, SCSC38,53325.0%–

17Cherokee County, SCSC58,27524.7%–

18Colleton County, SCSC39,38224.7%–

19Hampton County, SCSC18,17424.6%–

20Laurens County, SCSC71,84824.6%–

21Bamberg County, SCSC12,79624.4%–

22Greenwood County, SCSC70,37923.7%–

23Saluda County, SCSC19,68023.7%–

24Florence County, SCSC138,50423.5%–

25Chester County, SCSC33,00123.3%–

26Fairfield County, SCSC20,34022.8%–

27Georgetown County, SCSC65,91222.3%–

28Abbeville County, SCSC24,83622.1%–

29Oconee County, SCSC83,77520.9%–

30Newberry County, SCSC39,56120.7%–

31Kershaw County, SCSC73,16620.7%–

32Horry County, SCSC427,55120.2%–

33Spartanburg County, SCSC380,85720.0%–

34Aiken County, SCSC181,51519.9%–

35Anderson County, SCSC219,93019.2%–

36Berkeley County, SCSC274,66618.8%–

37Richland County, SCSC434,95618.2%–

38Edgefield County, SCSC29,80817.9%–

39Dorchester County, SCSC178,39717.9%–

40Lancaster County, SCSC114,29616.7%–

41Lexington County, SCSC317,58816.3%–

42Pickens County, SCSC139,19816.3%–

43Greenville County, SCSC583,12515.6%–

44York County, SCSC306,88713.7%–

45Beaufort County, SCSC204,43313.4%–

46Charleston County, SCSC436,20013.1%–

SHOWING 1–46 OF 46

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS