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

Jasper County had the highest uninsured rate, under 65 (US model-based estimate) of 46 counties in 2015, at 19.2%. York County had the lowest, at 10.4%. The median was 13.1% and the figure for South Carolina was 13%. Source: the U.S. Census Bureau.

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Highest19.2Jasper County
Lowest10.4York County
Median13.146 counties
South Carolina13History

Map of counties, 2015

Abbeville County: 13.1 %Aiken County: 12.1 %Allendale County: 12.7 %Anderson County: 12.8 %Bamberg County: 13.6 %Barnwell County: 12.6 %Beaufort County: 15.9 %Berkeley County: 12.9 %Calhoun County: 13.4 %Charleston County: 12.6 %Cherokee County: 13.3 %Chester County: 11.8 %Chesterfield County: 14.8 %Clarendon County: 14.1 %Colleton County: 16 %Darlington County: 13.1 %Dillon County: 16.5 %Dorchester County: 10.9 %Edgefield County: 12.5 %Fairfield County: 13 %Florence County: 11.6 %Georgetown County: 13.8 %Greenville County: 13.6 %Greenwood County: 15.3 %Hampton County: 12.4 %Horry County: 17.4 %Jasper County: 19.2 %Kershaw County: 12.8 %Lancaster County: 12.8 %Laurens County: 14.7 %Lee County: 12.6 %Lexington County: 11.1 %McCormick County: 12.3 %Marion County: 13 %Marlboro County: 14.4 %Newberry County: 14.4 %Oconee County: 13.6 %Orangeburg County: 13.4 %Pickens County: 14.3 %Richland County: 10.6 %Saluda County: 18.8 %Spartanburg County: 13 %Sumter County: 13.2 %Union County: 11.7 %Williamsburg County: 12.9 %York County: 10.4 %
  • Under 12
  • 12 to 13
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  • 15 and over
%, 2015. 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, 2015

Jasper County: 19.2 %Jasper County19.2Saluda County: 18.8 %Saluda County18.8Horry County: 17.4 %Horry County17.4Dillon County: 16.5 %Dillon County16.5Colleton County: 16 %Colleton County16Beaufort County: 15.9 %Beaufort County15.9Greenwood County: 15.3 %Greenwood County15.3Chesterfield County: 14.8 %Chesterfield County14.8Laurens County: 14.7 %Laurens County14.7Marlboro County: 14.4 %Marlboro County14.4Newberry County: 14.4 %Newberry County14.4Pickens County: 14.3 %Pickens County14.3Clarendon County: 14.1 %Clarendon County14.1Georgetown County: 13.8 %Georgetown County13.8Bamberg County: 13.6 %Bamberg County13.6Greenville County: 13.6 %Greenville County13.6Oconee County: 13.6 %Oconee County13.6Calhoun County: 13.4 %Calhoun County13.4Orangeburg County: 13.4 %Orangeburg County13.4Cherokee County: 13.3 %Cherokee County13.3Sumter County: 13.2 %Sumter County13.2Abbeville County: 13.1 %Abbeville County13.1Darlington County: 13.1 %Darlington County13.1Fairfield County: 13 %Fairfield County13Marion County: 13 %Marion County13Spartanburg County: 13 %Spartanburg County13Berkeley County: 12.9 %Berkeley County12.9Williamsburg County: 12.9 %Williamsburg County12.9Anderson County: 12.8 %Anderson County12.8Kershaw County: 12.8 %Kershaw County12.8Lancaster County: 12.8 %Lancaster County12.8Allendale County: 12.7 %Allendale County12.7Barnwell County: 12.6 %Barnwell County12.6Charleston County: 12.6 %Charleston County12.6Lee County: 12.6 %Lee County12.6Edgefield County: 12.5 %Edgefield County12.5Hampton County: 12.4 %Hampton County12.4McCormick County: 12.3 %McCormick County12.3Aiken County: 12.1 %Aiken County12.1Chester County: 11.8 %Chester County11.8Union County: 11.7 %Union County11.7Florence County: 11.6 %Florence County11.6Lexington County: 11.1 %Lexington County11.1Dorchester County: 10.9 %Dorchester County10.9Richland County: 10.6 %Richland County10.6York County: 10.4 %York County10.4Jasper County: 19.2 %Jasper County19.2Saluda County: 18.8 %Saluda County18.8Horry County: 17.4 %Horry County17.4Dillon County: 16.5 %Dillon County16.5Colleton County: 16 %Colleton County16Beaufort County: 15.9 %Beaufort County15.9Greenwood County: 15.3 %Greenwood County15.3Chesterfield County: 14.8 %Chesterfield County14.8Laurens County: 14.7 %Laurens County14.7Marlboro County: 14.4 %Marlboro County14.4Newberry County: 14.4 %Newberry County14.4Pickens County: 14.3 %Pickens County14.3Clarendon County: 14.1 %Clarendon County14.1Georgetown County: 13.8 %Georgetown County13.8Bamberg County: 13.6 %Bamberg County13.6Greenville County: 13.6 %Greenville County13.6Oconee County: 13.6 %Oconee County13.6Calhoun County: 13.4 %Calhoun County13.4Orangeburg County: 13.4 %Orangeburg County13.4Cherokee County: 13.3 %Cherokee County13.3Sumter County: 13.2 %Sumter County13.2Abbeville County: 13.1 %Abbeville County13.1Darlington County: 13.1 %Darlington County13.1Fairfield County: 13 %Fairfield County13Marion County: 13 %Marion County13Spartanburg County: 13 %Spartanburg County13Berkeley County: 12.9 %Berkeley County12.9Williamsburg County: 12.9 %Williamsburg County12.9Anderson County: 12.8 %Anderson County12.8Kershaw County: 12.8 %Kershaw County12.8Lancaster County: 12.8 %Lancaster County12.8Allendale County: 12.7 %Allendale County12.7Barnwell County: 12.6 %Barnwell County12.6Charleston County: 12.6 %Charleston County12.6Lee County: 12.6 %Lee County12.6Edgefield County: 12.5 %Edgefield County12.5Hampton County: 12.4 %Hampton County12.4McCormick County: 12.3 %McCormick County12.3Aiken County: 12.1 %Aiken County12.1Chester County: 11.8 %Chester County11.8Union County: 11.7 %Union County11.7Florence County: 11.6 %Florence County11.6Lexington County: 11.1 %Lexington County11.1Dorchester County: 10.9 %Dorchester County10.9Richland County: 10.6 %Richland County10.6York County: 10.4 %York County10.4
%. 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

RankCounties2015 (%)Change on 2014
1Jasper County19.2-3.7 pts
2Saluda County18.8-2 pts
3Horry County17.4-3.7 pts
4Dillon County16.5-2.5 pts
5Colleton County16-2.9 pts
6Beaufort County15.9-1.4 pts
7Greenwood County15.3-2 pts
8Chesterfield County14.8-3.5 pts
9Laurens County14.7-2.6 pts
10Marlboro County14.4-3.2 pts
10Newberry County14.4-3.3 pts
12Pickens County14.3-1.9 pts
13Clarendon County14.1-3.9 pts
14Georgetown County13.8-5.1 pts
15Bamberg County13.6-2.2 pts
15Greenville County13.6-1.9 pts
15Oconee County13.6-3.7 pts
18Calhoun County13.4-3.5 pts
18Orangeburg County13.4-3.7 pts
20Cherokee County13.3-3.4 pts
21Sumter County13.2-3.6 pts
22Abbeville County13.1-3.7 pts
22Darlington County13.1-3.7 pts
24Fairfield County13-3.2 pts
24Marion County13-3.7 pts
24Spartanburg County13-3.3 pts
27Berkeley County12.9-2.2 pts
27Williamsburg County12.9-3.3 pts
29Anderson County12.8-3 pts
29Kershaw County12.8-2.2 pts
29Lancaster County12.8-3.7 pts
32Allendale County12.7-4.2 pts
33Barnwell County12.6-3.5 pts
33Charleston County12.6-2.9 pts
33Lee County12.6-5 pts
36Edgefield County12.5-3.9 pts
37Hampton County12.4-4.3 pts
38McCormick County12.3-3.2 pts
39Aiken County12.1-4 pts
40Chester County11.8-4.6 pts
41Union County11.7-3.3 pts
42Florence County11.6-3.1 pts
43Lexington County11.1-4.8 pts
44Dorchester County10.9-2.9 pts
45Richland County10.6-2.5 pts
46York County10.4-3.6 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-2015-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), 2015) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-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), 2015. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties?period=2015. 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), 2015. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties?period=2015.

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), 2015 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties?period=2015 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_south_carolina_2015,
  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), 2015}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties?period=2015. 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-2015-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), 2015
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-2015-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties?period=2015
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/south-carolina-counties?period=2015.
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-2015-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)?

Jasper County, with 19.2% in 2015, according to the U.S. Census Bureau.

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

York County, with 10.4% in 2015.

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