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

Saluda County had the highest uninsured rate, all ages (US) of 46 counties in 2022, at 16.1%. McCormick County had the lowest, at 5.5%. The median was 10.5% and the figure for South Carolina was 10.2%. Source: the U.S. Census Bureau.

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Highest16.1Saluda County
Median10.546 counties
South Carolina10.2History

Map of counties, 2022

Abbeville County: 10.5 %Aiken County: 9 %Allendale County: 11.8 %Anderson County: 10.4 %Bamberg County: 14.8 %Barnwell County: 11.5 %Beaufort County: 8.8 %Berkeley County: 10.2 %Calhoun County: 9.3 %Charleston County: 9 %Cherokee County: 11 %Chester County: 11.8 %Chesterfield County: 12.4 %Clarendon County: 10.1 %Colleton County: 15.8 %Darlington County: 8.9 %Dillon County: 15 %Dorchester County: 10.5 %Edgefield County: 10.5 %Fairfield County: 7.5 %Florence County: 10.5 %Georgetown County: 10 %Greenville County: 10.2 %Greenwood County: 8.3 %Hampton County: 12.1 %Horry County: 13.6 %Jasper County: 13.5 %Kershaw County: 8.7 %Lancaster County: 7.9 %Laurens County: 13.7 %Lee County: 10.4 %Lexington County: 9.3 %McCormick County: 5.5 %Marion County: 13.7 %Marlboro County: 13.7 %Newberry County: 9.3 %Oconee County: 10.6 %Orangeburg County: 10.1 %Pickens County: 8.8 %Richland County: 9 %Saluda County: 16.1 %Spartanburg County: 10.8 %Sumter County: 10.8 %Union County: 11.5 %Williamsburg County: 11.4 %York County: 8.1 %
  • Under 8.8
  • 8.8 to 10
  • 10 to 11
  • 11 to 14
  • 14 and over
%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

Saluda County: 16.1 %Saluda County16.1Colleton County: 15.8 %Colleton County15.8Dillon County: 15 %Dillon County15Bamberg County: 14.8 %Bamberg County14.8Laurens County: 13.7 %Laurens County13.7Marion County: 13.7 %Marion County13.7Marlboro County: 13.7 %Marlboro County13.7Horry County: 13.6 %Horry County13.6Jasper County: 13.5 %Jasper County13.5Chesterfield County: 12.4 %Chesterfield County12.4Hampton County: 12.1 %Hampton County12.1Allendale County: 11.8 %Allendale County11.8Chester County: 11.8 %Chester County11.8Barnwell County: 11.5 %Barnwell County11.5Union County: 11.5 %Union County11.5Williamsburg County: 11.4 %Williamsburg County11.4Cherokee County: 11 %Cherokee County11Sumter County: 10.8 %Sumter County10.8Spartanburg County: 10.8 %Spartanburg County10.8Oconee County: 10.6 %Oconee County10.6Edgefield County: 10.5 %Edgefield County10.5Abbeville County: 10.5 %Abbeville County10.5Dorchester County: 10.5 %Dorchester County10.5Florence County: 10.5 %Florence County10.5Lee County: 10.4 %Lee County10.4Anderson County: 10.4 %Anderson County10.4Greenville County: 10.2 %Greenville County10.2Berkeley County: 10.2 %Berkeley County10.2Orangeburg County: 10.1 %Orangeburg County10.1Clarendon County: 10.1 %Clarendon County10.1Georgetown County: 10 %Georgetown County10Newberry County: 9.3 %Newberry County9.3Calhoun County: 9.3 %Calhoun County9.3Lexington County: 9.3 %Lexington County9.3Aiken County: 9 %Aiken County9Richland County: 9 %Richland County9Charleston County: 9 %Charleston County9Darlington County: 8.9 %Darlington County8.9Pickens County: 8.8 %Pickens County8.8Beaufort County: 8.8 %Beaufort County8.8Kershaw County: 8.7 %Kershaw County8.7Greenwood County: 8.3 %Greenwood County8.3York County: 8.1 %York County8.1Lancaster County: 7.9 %Lancaster County7.9Fairfield County: 7.5 %Fairfield County7.5McCormick County: 5.5 %McCormick County5.5Saluda County: 16.1 %Saluda County16.1Colleton County: 15.8 %Colleton County15.8Dillon County: 15 %Dillon County15Bamberg County: 14.8 %Bamberg County14.8Laurens County: 13.7 %Laurens County13.7Marion County: 13.7 %Marion County13.7Marlboro County: 13.7 %Marlboro County13.7Horry County: 13.6 %Horry County13.6Jasper County: 13.5 %Jasper County13.5Chesterfield County: 12.4 %Chesterfield County12.4Hampton County: 12.1 %Hampton County12.1Allendale County: 11.8 %Allendale County11.8Chester County: 11.8 %Chester County11.8Barnwell County: 11.5 %Barnwell County11.5Union County: 11.5 %Union County11.5Williamsburg County: 11.4 %Williamsburg County11.4Cherokee County: 11 %Cherokee County11Sumter County: 10.8 %Sumter County10.8Spartanburg County: 10.8 %Spartanburg County10.8Oconee County: 10.6 %Oconee County10.6Edgefield County: 10.5 %Edgefield County10.5Abbeville County: 10.5 %Abbeville County10.5Dorchester County: 10.5 %Dorchester County10.5Florence County: 10.5 %Florence County10.5Lee County: 10.4 %Lee County10.4Anderson County: 10.4 %Anderson County10.4Greenville County: 10.2 %Greenville County10.2Berkeley County: 10.2 %Berkeley County10.2Orangeburg County: 10.1 %Orangeburg County10.1Clarendon County: 10.1 %Clarendon County10.1Georgetown County: 10 %Georgetown County10Newberry County: 9.3 %Newberry County9.3Calhoun County: 9.3 %Calhoun County9.3Lexington County: 9.3 %Lexington County9.3Aiken County: 9 %Aiken County9Richland County: 9 %Richland County9Charleston County: 9 %Charleston County9Darlington County: 8.9 %Darlington County8.9Pickens County: 8.8 %Pickens County8.8Beaufort County: 8.8 %Beaufort County8.8Kershaw County: 8.7 %Kershaw County8.7Greenwood County: 8.3 %Greenwood County8.3York County: 8.1 %York County8.1Lancaster County: 7.9 %Lancaster County7.9Fairfield County: 7.5 %Fairfield County7.5McCormick County: 5.5 %McCormick County5.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1Saluda County16.1-1.4 pts
2Colleton County15.8+1.8 pts
3Dillon County15+1.5 pts
4Bamberg County14.8+0.1 pts
5Laurens County13.7+0.1 pts
6Marion County13.7-0.3 pts
7Marlboro County13.7+0.5 pts
8Horry County13.6-0.6 pts
9Jasper County13.5-0.4 pts
10Chesterfield County12.4+0.3 pts
11Hampton County12.1+1.8 pts
12Allendale County11.8+0.4 pts
13Chester County11.8+0.5 pts
14Barnwell County11.5-1.5 pts
15Union County11.5+0.3 pts
16Williamsburg County11.4+1.6 pts
17Cherokee County11-1.1 pts
18Sumter County10.8-0.5 pts
19Spartanburg County10.8+0.6 pts
20Oconee County10.6+0.2 pts
21Edgefield County10.5+1.5 pts
22Abbeville County10.5-1.1 pts
22Dorchester County10.5-0.6 pts
24Florence County10.5+0.2 pts
25Lee County10.4-0.8 pts
26Anderson County10.4-0.4 pts
27Greenville County10.2-0.1 pts
28Berkeley County10.2-0.3 pts
29Orangeburg County10.1-0.5 pts
30Clarendon County10.1-0.3 pts
31Georgetown County10-0.8 pts
32Newberry County9.3-0.1 pts
33Calhoun County9.3-0.1 pts
34Lexington County9.3-0.4 pts
35Aiken County9-0.6 pts
36Richland County9-0.2 pts
37Charleston County9-0.9 pts
38Darlington County8.9+0.1 pts
39Pickens County8.8-0.2 pts
40Beaufort County8.8-0.8 pts
41Kershaw County8.7-1.4 pts
42Greenwood County8.3-0.5 pts
43York County8.1-0.4 pts
44Lancaster County7.9-0.6 pts
45Fairfield County7.5-0.1 pts
46McCormick County5.5+0.1 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/2022/table-based-SF/data/5YRData/acsdt5y2022-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), 2022) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-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), 2022. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties?period=2022. 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), 2022. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties?period=2022.

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), 2022 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate/south-carolina-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_south_carolina_2022,
  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), 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties?period=2022. 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/2022/table-based-SF/data/5YRData/acsdt5y2022-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), 2022
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate/south-carolina-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/south-carolina-counties?period=2022.
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/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Retrieved 2026-10-12.
ER  - 
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Rank Counties in South Carolina by uninsured rate, all ages (US) using official data, and cite the source.
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Questions

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

Saluda County, with 16.1% in 2022, according to the U.S. Census Bureau.

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

McCormick County, with 5.5% in 2022.

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