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South Carolina Counties by Uninsured Rate

The uninsured rate is the share of the population with no health insurance coverage — influenced heavily by Medicaid eligibility and employer coverage.

All 46 counties ranked by Uninsured Rate, from lowest to highest. Click the column header to reverse sort order. Data from the U.S. Census Bureau, ACS 5-Year Estimates, 2023.

States Counties Cities Metros ZIPs
# Counties Uninsured Rate
1 Florence County, South Carolina 0.0%
2 Jasper County, South Carolina 0.7%
3 McCormick County, South Carolina 2.2%
4 Fairfield County, South Carolina 3.0%
5 Abbeville County, South Carolina 3.8%
6 Marion County, South Carolina 4.2%
7 Marlboro County, South Carolina 4.8%
8 Aiken County, South Carolina 5.3%
9 Beaufort County, South Carolina 5.5%
10 Allendale County, South Carolina 5.9%
11 Dillon County, South Carolina 6.2%
12 Berkeley County, South Carolina 6.6%
13 Calhoun County, South Carolina 7.9%
14 Greenwood County, South Carolina 7.9%
15 Barnwell County, South Carolina 8.2%
16 York County, South Carolina 8.2%
17 Lancaster County, South Carolina 8.3%
18 Newberry County, South Carolina 8.5%
19 Richland County, South Carolina 8.8%
20 Pickens County, South Carolina 8.9%
21 Charleston County, South Carolina 8.9%
22 Darlington County, South Carolina 9.0%
23 Lexington County, South Carolina 9.0%
24 Clarendon County, South Carolina 9.8%
25 Orangeburg County, South Carolina 9.9%
26 Greenville County, South Carolina 10.1%
27 Georgetown County, South Carolina 10.1%
28 Cherokee County, South Carolina 10.2%
29 Lee County, South Carolina 10.3%
30 Anderson County, South Carolina 10.4%
31 Oconee County, South Carolina 10.4%
32 Sumter County, South Carolina 10.5%
33 Edgefield County, South Carolina 10.8%
34 Williamsburg County, South Carolina 10.8%
35 Spartanburg County, South Carolina 10.9%
36 Dorchester County, South Carolina 11.3%
37 Union County, South Carolina 11.7%
38 Chester County, South Carolina 11.7%
39 Chesterfield County, South Carolina 12.1%
40 Laurens County, South Carolina 12.7%
41 Hampton County, South Carolina 12.7%
42 Bamberg County, South Carolina 14.3%
43 Colleton County, South Carolina 15.5%
44 Saluda County, South Carolina 16.1%
45 Horry County, South Carolina 20.3%
46 Kershaw County, South Carolina 35.1%