Data / Rankings / Uninsured rate, all ages (US) / Counties in South Carolina

Counties in South Carolina by uninsured rate, all ages (US), 2024

Saluda County had the highest uninsured rate, all ages (US) of 46 counties in 2024, at 17.9%. McCormick County had the lowest, at 3.5%. The median was 10.1% and the figure for South Carolina was 9.6%. Source: the U.S. Census Bureau.

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Highest17.9Saluda County
Lowest3.5McCormick County
Median10.146 counties
South Carolina9.6History

Map of counties, 2024

Abbeville County: 10.1 %Aiken County: 8.8 %Allendale County: 12.1 %Anderson County: 10.2 %Bamberg County: 12.4 %Barnwell County: 12.2 %Beaufort County: 8.5 %Berkeley County: 9.2 %Calhoun County: 8.1 %Charleston County: 8.3 %Cherokee County: 10.5 %Chester County: 11.7 %Chesterfield County: 11.6 %Clarendon County: 9 %Colleton County: 15 %Darlington County: 9 %Dillon County: 12.5 %Dorchester County: 10.2 %Edgefield County: 9 %Fairfield County: 7 %Florence County: 9.3 %Georgetown County: 9.8 %Greenville County: 10 %Greenwood County: 7.4 %Hampton County: 10.1 %Horry County: 11.7 %Jasper County: 14.5 %Kershaw County: 8.6 %Lancaster County: 7.9 %Laurens County: 12.4 %Lee County: 10.3 %Lexington County: 8.7 %McCormick County: 3.5 %Marion County: 13.7 %Marlboro County: 12.6 %Newberry County: 8.8 %Oconee County: 10.9 %Orangeburg County: 9.7 %Pickens County: 8.6 %Richland County: 8.7 %Saluda County: 17.9 %Spartanburg County: 10.7 %Sumter County: 10.5 %Union County: 10.5 %Williamsburg County: 10.9 %York County: 7.6 %
  • Under 8.6
  • 8.6 to 9
  • 9 to 10
  • 10 to 11
  • 11 to 12
  • 12 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Saluda County: 17.9 %Saluda County17.9Colleton County: 15 %Colleton County15Jasper County: 14.5 %Jasper County14.5Marion County: 13.7 %Marion County13.7Marlboro County: 12.6 %Marlboro County12.6Dillon County: 12.5 %Dillon County12.5Bamberg County: 12.4 %Bamberg County12.4Laurens County: 12.4 %Laurens County12.4Barnwell County: 12.2 %Barnwell County12.2Allendale County: 12.1 %Allendale County12.1Chester County: 11.7 %Chester County11.7Horry County: 11.7 %Horry County11.7Chesterfield County: 11.6 %Chesterfield County11.6Oconee County: 10.9 %Oconee County10.9Williamsburg County: 10.9 %Williamsburg County10.9Spartanburg County: 10.7 %Spartanburg County10.7Sumter County: 10.5 %Sumter County10.5Cherokee County: 10.5 %Cherokee County10.5Union County: 10.5 %Union County10.5Lee County: 10.3 %Lee County10.3Dorchester County: 10.2 %Dorchester County10.2Anderson County: 10.2 %Anderson County10.2Abbeville County: 10.1 %Abbeville County10.1Hampton County: 10.1 %Hampton County10.1Greenville County: 10 %Greenville County10Georgetown County: 9.8 %Georgetown County9.8Orangeburg County: 9.7 %Orangeburg County9.7Florence County: 9.3 %Florence County9.3Berkeley County: 9.2 %Berkeley County9.2Edgefield County: 9 %Edgefield County9Darlington County: 9 %Darlington County9Clarendon County: 9 %Clarendon County9Newberry County: 8.8 %Newberry County8.8Aiken County: 8.8 %Aiken County8.8Lexington County: 8.7 %Lexington County8.7Richland County: 8.7 %Richland County8.7Pickens County: 8.6 %Pickens County8.6Kershaw County: 8.6 %Kershaw County8.6Beaufort County: 8.5 %Beaufort County8.5Charleston County: 8.3 %Charleston County8.3Calhoun County: 8.1 %Calhoun County8.1Lancaster County: 7.9 %Lancaster County7.9York County: 7.6 %York County7.6Greenwood County: 7.4 %Greenwood County7.4Fairfield County: 7 %Fairfield County7McCormick County: 3.5 %McCormick County3.5Saluda County: 17.9 %Saluda County17.9Colleton County: 15 %Colleton County15Jasper County: 14.5 %Jasper County14.5Marion County: 13.7 %Marion County13.7Marlboro County: 12.6 %Marlboro County12.6Dillon County: 12.5 %Dillon County12.5Bamberg County: 12.4 %Bamberg County12.4Laurens County: 12.4 %Laurens County12.4Barnwell County: 12.2 %Barnwell County12.2Allendale County: 12.1 %Allendale County12.1Chester County: 11.7 %Chester County11.7Horry County: 11.7 %Horry County11.7Chesterfield County: 11.6 %Chesterfield County11.6Oconee County: 10.9 %Oconee County10.9Williamsburg County: 10.9 %Williamsburg County10.9Spartanburg County: 10.7 %Spartanburg County10.7Sumter County: 10.5 %Sumter County10.5Cherokee County: 10.5 %Cherokee County10.5Union County: 10.5 %Union County10.5Lee County: 10.3 %Lee County10.3Dorchester County: 10.2 %Dorchester County10.2Anderson County: 10.2 %Anderson County10.2Abbeville County: 10.1 %Abbeville County10.1Hampton County: 10.1 %Hampton County10.1Greenville County: 10 %Greenville County10Georgetown County: 9.8 %Georgetown County9.8Orangeburg County: 9.7 %Orangeburg County9.7Florence County: 9.3 %Florence County9.3Berkeley County: 9.2 %Berkeley County9.2Edgefield County: 9 %Edgefield County9Darlington County: 9 %Darlington County9Clarendon County: 9 %Clarendon County9Newberry County: 8.8 %Newberry County8.8Aiken County: 8.8 %Aiken County8.8Lexington County: 8.7 %Lexington County8.7Richland County: 8.7 %Richland County8.7Pickens County: 8.6 %Pickens County8.6Kershaw County: 8.6 %Kershaw County8.6Beaufort County: 8.5 %Beaufort County8.5Charleston County: 8.3 %Charleston County8.3Calhoun County: 8.1 %Calhoun County8.1Lancaster County: 7.9 %Lancaster County7.9York County: 7.6 %York County7.6Greenwood County: 7.4 %Greenwood County7.4Fairfield County: 7 %Fairfield County7McCormick County: 3.5 %McCormick County3.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Saluda County17.9+1.7 pts
2Colleton County15-0.5 pts
3Jasper County14.5+1.7 pts
4Marion County13.7-0.1 pts
5Marlboro County12.6-1.5 pts
6Dillon County12.5-2.1 pts
7Bamberg County12.4-1.9 pts
8Laurens County12.4-0.3 pts
9Barnwell County12.2+0.4 pts
10Allendale County12.1-0.1 pts
11Chester County11.7-0 pts
12Horry County11.7-0.8 pts
13Chesterfield County11.6-0.5 pts
14Oconee County10.9+0.5 pts
15Williamsburg County10.9+0.1 pts
16Spartanburg County10.7-0.2 pts
17Sumter County10.5-0 pts
18Cherokee County10.5+0.3 pts
19Union County10.5-1.2 pts
20Lee County10.3-0.1 pts
21Dorchester County10.2-1.1 pts
22Anderson County10.2-0.2 pts
23Abbeville County10.1-0.5 pts
24Hampton County10.1-2.5 pts
25Greenville County10-0.1 pts
26Georgetown County9.8-0.3 pts
27Orangeburg County9.7-0.1 pts
28Florence County9.3-0.8 pts
29Berkeley County9.2-0.7 pts
30Edgefield County9-1.7 pts
31Darlington County9-0 pts
32Clarendon County9-0.8 pts
33Newberry County8.8+0.3 pts
34Aiken County8.8-0 pts
35Lexington County8.7-0.3 pts
35Richland County8.7-0.1 pts
37Pickens County8.6-0.3 pts
38Kershaw County8.6-0.3 pts
39Beaufort County8.5+0.1 pts
40Charleston County8.3-0.7 pts
41Calhoun County8.1+0.2 pts
42Lancaster County7.9-0.5 pts
43York County7.6-0.6 pts
44Greenwood County7.4-0.5 pts
45Fairfield County7-1 pts
46McCormick County3.5-0.5 pts

Other periods

About this ranking

People without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

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. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. 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). American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs (Counties in South Carolina by uninsured rate, all ages (US), 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Counties in South Carolina by uninsured rate, all ages (US), 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Counties in South Carolina by uninsured rate, all ages (US), 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Counties in South Carolina by uninsured rate, all ages (US), 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate/south-carolina-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_south_carolina_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Counties in South Carolina by uninsured rate, all ages (US), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Counties in South Carolina by uninsured rate, all ages (US), 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate/south-carolina-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, all ages (US)?

Saluda County, with 17.9% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, all ages (US)?

McCormick County, with 3.5% 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, American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, all ages (US): other rankings

Counties in South Carolina: more rankings