RANKING · 2024 ACS · 46 SHOWN OF 46

Highest Medicaid coverage, South Carolina counties

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 (2024 ACS). This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide. The median across all 46 is 22.0%. Biggest climber in the top 100 since 2020: Hampton County, SC, up 13 places to #6.

South CarolinaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2020 2024

RANKPLACESTATEPOPMEDICAIDVS 2020

01▲3Marlboro County, SCSC25,48836.7%+3.6 pts

02▲1Dillon County, SCSC27,45836.0%+2.4 pts

03▲2Marion County, SCSC28,24234.4%+1.7 pts

04▼3Lee County, SCSC15,73034.2%−0.9 pts

05▲3Orangeburg County, SCSC83,17734.2%+2.9 pts

06▲13Hampton County, SCSC18,17433.9%+9.3 pts

07▲2Barnwell County, SCSC20,65332.5%+2.1 pts

08▼1Clarendon County, SCSC31,04331.8%+0.4 pts

09▼7Williamsburg County, SCSC29,66231.4%−2.4 pts

10Darlington County, SCSC62,88830.3%+1.5 pts

11▲7Colleton County, SCSC39,38229.6%+4.9 pts

12▲9Bamberg County, SCSC12,79629.1%+4.7 pts

13▼2Sumter County, SCSC105,06728.1%+0.7 pts

14▼2Union County, SCSC26,79928.1%+1.6 pts

15▼9Allendale County, SCSC7,35527.2%−5.1 pts

16▲1Cherokee County, SCSC58,27526.8%+2.1 pts

17▼2Chesterfield County, SCSC44,74026.6%+1.6 pts

18▲2Laurens County, SCSC71,84825.1%+0.5 pts

19▲6Chester County, SCSC33,00125.0%+1.7 pts

20▲6Fairfield County, SCSC20,34024.9%+2.1 pts

21▲3Florence County, SCSC138,50424.2%+0.7 pts

22▲8Newberry County, SCSC39,56123.1%+2.4 pts

23▲6Oconee County, SCSC83,77522.0%+1.1 pts

24▼11Calhoun County, SCSC14,18821.7%−4.3 pts

25▲6Kershaw County, SCSC73,16621.7%+1.0 pts

26▲1Georgetown County, SCSC65,91221.3%−1.0 pts

27▼13McCormick County, SCSC10,21521.1%−4.5 pts

28▲5Spartanburg County, SCSC380,85721.1%+1.1 pts

29▼6Saluda County, SCSC19,68020.5%−3.2 pts

30▲7Richland County, SCSC434,95620.3%+2.1 pts

31▼9Greenwood County, SCSC70,37920.0%−3.7 pts

32▲3Anderson County, SCSC219,93019.8%+0.6 pts

33▼5Abbeville County, SCSC24,83619.5%−2.6 pts

34Aiken County, SCSC181,51519.2%−0.7 pts

35▼3Horry County, SCSC427,55119.0%−1.2 pts

36▲3Dorchester County, SCSC178,39718.9%+1.0 pts

37▼21Jasper County, SCSC38,53318.8%−6.2 pts

38Edgefield County, SCSC29,80818.5%+0.6 pts

39▲2Lexington County, SCSC317,58817.9%+1.6 pts

40▲2Pickens County, SCSC139,19817.5%+1.2 pts

41▼5Berkeley County, SCSC274,66617.4%−1.4 pts

42▼2Lancaster County, SCSC114,29616.2%−0.5 pts

43Greenville County, SCSC583,12515.8%+0.2 pts

44York County, SCSC306,88713.8%+0.1 pts

45▲1Charleston County, SCSC436,20013.5%+0.4 pts

46▼1Beaufort County, SCSC204,43313.2%−0.2 pts

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