Counties in South Carolina by uninsured rate, under 65 (US model-based estimate), 2024

Saluda County had the highest uninsured rate, under 65 (US model-based estimate) of 46 counties in 2024, at 16.2%. McCormick County had the lowest, at 8.9%. The median was 11.5% and the figure for South Carolina was 11.2%. Source: the U.S. Census Bureau.

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Highest16.2Saluda County
Median11.546 counties
South Carolina11.2History

Map of counties, 2024

Abbeville County: 11.5 %Aiken County: 10.4 %Allendale County: 11 %Anderson County: 11.4 %Bamberg County: 14.1 %Barnwell County: 12.6 %Beaufort County: 11.3 %Berkeley County: 10.1 %Calhoun County: 10.2 %Charleston County: 9.5 %Cherokee County: 12.1 %Chester County: 13.1 %Chesterfield County: 12.7 %Clarendon County: 12.7 %Colleton County: 14.2 %Darlington County: 11 %Dillon County: 11.2 %Dorchester County: 10 %Edgefield County: 13.9 %Fairfield County: 10.7 %Florence County: 10.1 %Georgetown County: 10.7 %Greenville County: 11.5 %Greenwood County: 10.7 %Hampton County: 14.3 %Horry County: 14.1 %Jasper County: 16 %Kershaw County: 10.1 %Lancaster County: 10.2 %Laurens County: 12.8 %Lee County: 12.6 %Lexington County: 10.8 %McCormick County: 8.9 %Marion County: 11.3 %Marlboro County: 10.9 %Newberry County: 12.7 %Oconee County: 14 %Orangeburg County: 11.8 %Pickens County: 12 %Richland County: 10.3 %Saluda County: 16.2 %Spartanburg County: 12.4 %Sumter County: 9.8 %Union County: 12.4 %Williamsburg County: 12.4 %York County: 9 %
  • Under 10
  • 10 to 11
  • 11 to 12
  • 12 to 14
  • 14 and over
%, 2024. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Saluda County: 16.2 %Saluda County16.2Jasper County: 16 %Jasper County16Hampton County: 14.3 %Hampton County14.3Colleton County: 14.2 %Colleton County14.2Bamberg County: 14.1 %Bamberg County14.1Horry County: 14.1 %Horry County14.1Oconee County: 14 %Oconee County14Edgefield County: 13.9 %Edgefield County13.9Chester County: 13.1 %Chester County13.1Laurens County: 12.8 %Laurens County12.8Chesterfield County: 12.7 %Chesterfield County12.7Clarendon County: 12.7 %Clarendon County12.7Newberry County: 12.7 %Newberry County12.7Barnwell County: 12.6 %Barnwell County12.6Lee County: 12.6 %Lee County12.6Spartanburg County: 12.4 %Spartanburg County12.4Union County: 12.4 %Union County12.4Williamsburg County: 12.4 %Williamsburg County12.4Cherokee County: 12.1 %Cherokee County12.1Pickens County: 12 %Pickens County12Orangeburg County: 11.8 %Orangeburg County11.8Abbeville County: 11.5 %Abbeville County11.5Greenville County: 11.5 %Greenville County11.5Anderson County: 11.4 %Anderson County11.4Beaufort County: 11.3 %Beaufort County11.3Marion County: 11.3 %Marion County11.3Dillon County: 11.2 %Dillon County11.2Allendale County: 11 %Allendale County11Darlington County: 11 %Darlington County11Marlboro County: 10.9 %Marlboro County10.9Lexington County: 10.8 %Lexington County10.8Fairfield County: 10.7 %Fairfield County10.7Georgetown County: 10.7 %Georgetown County10.7Greenwood County: 10.7 %Greenwood County10.7Aiken County: 10.4 %Aiken County10.4Richland County: 10.3 %Richland County10.3Calhoun County: 10.2 %Calhoun County10.2Lancaster County: 10.2 %Lancaster County10.2Berkeley County: 10.1 %Berkeley County10.1Florence County: 10.1 %Florence County10.1Kershaw County: 10.1 %Kershaw County10.1Dorchester County: 10 %Dorchester County10Sumter County: 9.8 %Sumter County9.8Charleston County: 9.5 %Charleston County9.5York County: 9 %York County9McCormick County: 8.9 %McCormick County8.9Saluda County: 16.2 %Saluda County16.2Jasper County: 16 %Jasper County16Hampton County: 14.3 %Hampton County14.3Colleton County: 14.2 %Colleton County14.2Bamberg County: 14.1 %Bamberg County14.1Horry County: 14.1 %Horry County14.1Oconee County: 14 %Oconee County14Edgefield County: 13.9 %Edgefield County13.9Chester County: 13.1 %Chester County13.1Laurens County: 12.8 %Laurens County12.8Chesterfield County: 12.7 %Chesterfield County12.7Clarendon County: 12.7 %Clarendon County12.7Newberry County: 12.7 %Newberry County12.7Barnwell County: 12.6 %Barnwell County12.6Lee County: 12.6 %Lee County12.6Spartanburg County: 12.4 %Spartanburg County12.4Union County: 12.4 %Union County12.4Williamsburg County: 12.4 %Williamsburg County12.4Cherokee County: 12.1 %Cherokee County12.1Pickens County: 12 %Pickens County12Orangeburg County: 11.8 %Orangeburg County11.8Abbeville County: 11.5 %Abbeville County11.5Greenville County: 11.5 %Greenville County11.5Anderson County: 11.4 %Anderson County11.4Beaufort County: 11.3 %Beaufort County11.3Marion County: 11.3 %Marion County11.3Dillon County: 11.2 %Dillon County11.2Allendale County: 11 %Allendale County11Darlington County: 11 %Darlington County11Marlboro County: 10.9 %Marlboro County10.9Lexington County: 10.8 %Lexington County10.8Fairfield County: 10.7 %Fairfield County10.7Georgetown County: 10.7 %Georgetown County10.7Greenwood County: 10.7 %Greenwood County10.7Aiken County: 10.4 %Aiken County10.4Richland County: 10.3 %Richland County10.3Calhoun County: 10.2 %Calhoun County10.2Lancaster County: 10.2 %Lancaster County10.2Berkeley County: 10.1 %Berkeley County10.1Florence County: 10.1 %Florence County10.1Kershaw County: 10.1 %Kershaw County10.1Dorchester County: 10 %Dorchester County10Sumter County: 9.8 %Sumter County9.8Charleston County: 9.5 %Charleston County9.5York County: 9 %York County9McCormick County: 8.9 %McCormick County8.9
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Saluda County16.2+0.4 pts
2Jasper County16+0.3 pts
3Hampton County14.3-0.8 pts
4Colleton County14.2+0.1 pts
5Bamberg County14.1+0.2 pts
5Horry County14.1+1.2 pts
7Oconee County14+1.2 pts
8Edgefield County13.9+0.4 pts
9Chester County13.1+1 pts
10Laurens County12.8-0.3 pts
11Chesterfield County12.7+0.4 pts
11Clarendon County12.7+0.5 pts
11Newberry County12.7+0.3 pts
14Barnwell County12.6-0.3 pts
14Lee County12.6-1.1 pts
16Spartanburg County12.4+0.6 pts
16Union County12.4+0.6 pts
16Williamsburg County12.4-0.3 pts
19Cherokee County12.1+0.4 pts
20Pickens County12-0.7 pts
21Orangeburg County11.8+0.3 pts
22Abbeville County11.5-0.6 pts
22Greenville County11.50 pts
24Anderson County11.4-0.2 pts
25Beaufort County11.3-0.2 pts
25Marion County11.3-0.3 pts
27Dillon County11.2-1.2 pts
28Allendale County11-0.5 pts
28Darlington County110 pts
30Marlboro County10.90 pts
31Lexington County10.8+1.3 pts
32Fairfield County10.7+0.2 pts
32Georgetown County10.7-1 pts
32Greenwood County10.7-1 pts
35Aiken County10.4-0.5 pts
36Richland County10.3+0.2 pts
37Calhoun County10.2-0.5 pts
37Lancaster County10.2-0.3 pts
39Berkeley County10.1+0.3 pts
39Florence County10.1-0.8 pts
39Kershaw County10.1-1.1 pts
42Dorchester County10-0.8 pts
43Sumter County9.8+0.1 pts
44Charleston County9.5-0.5 pts
45York County9+0.1 pts
46McCormick County8.9-0.8 pts

Other periods

About this ranking

People under 65 without health insurance coverage of any kind, as a percentage of all people under 65. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. People 65 and over are left out because nearly all of them have Medicare.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties (Counties in South Carolina by uninsured rate, under 65 (US model-based estimate), 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in South Carolina by uninsured rate, under 65 (US model-based estimate), 2024. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Counties in South Carolina by uninsured rate, under 65 (US model-based estimate), 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in South Carolina by uninsured rate, under 65 (US model-based estimate), 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_south_carolina_2024,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in South Carolina by uninsured rate, under 65 (US model-based estimate), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in South Carolina by uninsured rate, under 65 (US model-based estimate), 2024
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest uninsured rate, under 65 (US model-based estimate)?

Saluda County, with 16.2% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 65 (US model-based estimate)?

McCormick County, with 8.9% in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 65 (US model-based estimate): other rankings

Counties in South Carolina: more rankings