Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / Counties in Pennsylvania

Counties in Pennsylvania by uninsured rate, ages 18 to 64 (US model-based estimate)

Forest County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 67 counties in 2023, at 13.5%. Butler County had the lowest, at 4.5%. The median was 7.2% and the figure for Pennsylvania was 7.1%. Source: the U.S. Census Bureau.

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Highest13.5Forest County
Lowest4.5Butler County
Median7.267 counties
Pennsylvania7.1History

Map of counties, 2023

Adams County: 7.5 %Allegheny County: 5.3 %Armstrong County: 5.9 %Beaver County: 5.6 %Bedford County: 8.2 %Berks County: 9.5 %Blair County: 6.9 %Bradford County: 7.5 %Bucks County: 5.1 %Butler County: 4.5 %Cambria County: 5.8 %Cameron County: 7.1 %Carbon County: 7.4 %Centre County: 6.6 %Chester County: 5.4 %Clarion County: 6.8 %Clearfield County: 7.1 %Clinton County: 7.7 %Columbia County: 6.4 %Crawford County: 9 %Cumberland County: 6.6 %Dauphin County: 7.8 %Delaware County: 6.1 %Elk County: 6.2 %Erie County: 6.4 %Fayette County: 6.4 %Forest County: 13.5 %Franklin County: 9.1 %Fulton County: 6.4 %Greene County: 6.6 %Huntingdon County: 7.2 %Indiana County: 8.8 %Jefferson County: 9 %Juniata County: 11.7 %Lackawanna County: 7.4 %Lancaster County: 10.8 %Lawrence County: 6.1 %Lebanon County: 9.1 %Lehigh County: 8.3 %Luzerne County: 9.2 %Lycoming County: 6.7 %McKean County: 6.8 %Mercer County: 8.2 %Mifflin County: 10.9 %Monroe County: 8.1 %Montgomery County: 5.5 %Montour County: 5.1 %Northampton County: 6.6 %Northumberland County: 7.2 %Perry County: 8.4 %Philadelphia County: 9.1 %Pike County: 7.1 %Potter County: 7.4 %Schuylkill County: 7.4 %Snyder County: 9.6 %Somerset County: 7.4 %Sullivan County: 8.3 %Susquehanna County: 7.7 %Tioga County: 7.8 %Union County: 9.5 %Venango County: 7.1 %Warren County: 5.9 %Washington County: 5.5 %Wayne County: 7.9 %Westmoreland County: 4.9 %Wyoming County: 6.1 %York County: 6.4 %
  • Under 5.9
  • 5.9 to 6.6
  • 6.6 to 7.2
  • 7.2 to 7.8
  • 7.8 to 9
  • 9 and over
%, 2023. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2023

Forest County: 13.5 %Forest County13.5Juniata County: 11.7 %Juniata County11.7Mifflin County: 10.9 %Mifflin County10.9Lancaster County: 10.8 %Lancaster County10.8Snyder County: 9.6 %Snyder County9.6Berks County: 9.5 %Berks County9.5Union County: 9.5 %Union County9.5Luzerne County: 9.2 %Luzerne County9.2Franklin County: 9.1 %Franklin County9.1Lebanon County: 9.1 %Lebanon County9.1Philadelphia County: 9.1 %Philadelphia County9.1Crawford County: 9 %Crawford County9Jefferson County: 9 %Jefferson County9Indiana County: 8.8 %Indiana County8.8Perry County: 8.4 %Perry County8.4Lehigh County: 8.3 %Lehigh County8.3Sullivan County: 8.3 %Sullivan County8.3Bedford County: 8.2 %Bedford County8.2Mercer County: 8.2 %Mercer County8.2Monroe County: 8.1 %Monroe County8.1Wayne County: 7.9 %Wayne County7.9Dauphin County: 7.8 %Dauphin County7.8Tioga County: 7.8 %Tioga County7.8Clinton County: 7.7 %Clinton County7.7Susquehanna County: 7.7 %Susquehanna County7.7Adams County: 7.5 %Adams County7.5Bradford County: 7.5 %Bradford County7.5Carbon County: 7.4 %Carbon County7.4Lackawanna County: 7.4 %Lackawanna County7.4Potter County: 7.4 %Potter County7.4Schuylkill County: 7.4 %Schuylkill County7.4Somerset County: 7.4 %Somerset County7.4Huntingdon County: 7.2 %Huntingdon County7.2Northumberland County: 7.2 %Northumberland County7.2Cameron County: 7.1 %Cameron County7.1Clearfield County: 7.1 %Clearfield County7.1Pike County: 7.1 %Pike County7.1Venango County: 7.1 %Venango County7.1Blair County: 6.9 %Blair County6.9Clarion County: 6.8 %Clarion County6.8Forest County: 13.5 %Forest County13.5Juniata County: 11.7 %Juniata County11.7Mifflin County: 10.9 %Mifflin County10.9Lancaster County: 10.8 %Lancaster County10.8Snyder County: 9.6 %Snyder County9.6Berks County: 9.5 %Berks County9.5Union County: 9.5 %Union County9.5Luzerne County: 9.2 %Luzerne County9.2Franklin County: 9.1 %Franklin County9.1Lebanon County: 9.1 %Lebanon County9.1Philadelphia County: 9.1 %Philadelphia County9.1Crawford County: 9 %Crawford County9Jefferson County: 9 %Jefferson County9Indiana County: 8.8 %Indiana County8.8Perry County: 8.4 %Perry County8.4Lehigh County: 8.3 %Lehigh County8.3Sullivan County: 8.3 %Sullivan County8.3Bedford County: 8.2 %Bedford County8.2Mercer County: 8.2 %Mercer County8.2Monroe County: 8.1 %Monroe County8.1Wayne County: 7.9 %Wayne County7.9Dauphin County: 7.8 %Dauphin County7.8Tioga County: 7.8 %Tioga County7.8Clinton County: 7.7 %Clinton County7.7Susquehanna County: 7.7 %Susquehanna County7.7Adams County: 7.5 %Adams County7.5Bradford County: 7.5 %Bradford County7.5Carbon County: 7.4 %Carbon County7.4Lackawanna County: 7.4 %Lackawanna County7.4Potter County: 7.4 %Potter County7.4Schuylkill County: 7.4 %Schuylkill County7.4Somerset County: 7.4 %Somerset County7.4Huntingdon County: 7.2 %Huntingdon County7.2Northumberland County: 7.2 %Northumberland County7.2Cameron County: 7.1 %Cameron County7.1Clearfield County: 7.1 %Clearfield County7.1Pike County: 7.1 %Pike County7.1Venango County: 7.1 %Venango County7.1Blair County: 6.9 %Blair County6.9Clarion County: 6.8 %Clarion County6.8
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Forest County13.5+4.7 pts
2Juniata County11.7-0.3 pts
3Mifflin County10.9-0.6 pts
4Lancaster County10.8-0.6 pts
5Snyder County9.6-0.3 pts
6Berks County9.5+1.1 pts
6Union County9.5+1.1 pts
8Luzerne County9.2+1.7 pts
9Franklin County9.1+0.3 pts
9Lebanon County9.1-0.6 pts
9Philadelphia County9.1+0.3 pts
12Crawford County9-1.4 pts
12Jefferson County9+0.1 pts
14Indiana County8.8+0.6 pts
15Perry County8.4-1.6 pts
16Lehigh County8.30 pts
16Sullivan County8.3-0.1 pts
18Bedford County8.2+0.5 pts
18Mercer County8.2+1 pts
20Monroe County8.1+0.7 pts
21Wayne County7.9-0.2 pts
22Dauphin County7.8+0.6 pts
22Tioga County7.8-0.8 pts
24Clinton County7.7-1.3 pts
24Susquehanna County7.7-2.1 pts
26Adams County7.5+0.2 pts
26Bradford County7.5-0.6 pts
28Carbon County7.40 pts
28Lackawanna County7.4+0.8 pts
28Potter County7.4-0.2 pts
28Schuylkill County7.4-0.5 pts
28Somerset County7.4-0.6 pts
33Huntingdon County7.2+0.9 pts
33Northumberland County7.2+0.2 pts
35Cameron County7.1-0.7 pts
35Clearfield County7.1+0.1 pts
35Pike County7.1-0.4 pts
35Venango County7.10 pts
39Blair County6.9+0.1 pts
40Clarion County6.8-1.7 pts
40McKean County6.8+0.3 pts
42Lycoming County6.7-0.5 pts
43Centre County6.6+0.3 pts
43Cumberland County6.6+0.9 pts
43Greene County6.6-0.3 pts
43Northampton County6.6+0.3 pts
47Columbia County6.4+0.1 pts
47Erie County6.4-0.4 pts
47Fayette County6.4-0.7 pts
47Fulton County6.4+0.1 pts
47York County6.4+0.2 pts
52Elk County6.2-0.3 pts
53Delaware County6.1+0.1 pts
53Lawrence County6.1-1.4 pts
53Wyoming County6.1+0.6 pts
56Armstrong County5.9-0.1 pts
56Warren County5.9-0.5 pts
58Cambria County5.8+0.1 pts
59Beaver County5.6+0.3 pts
60Montgomery County5.5+0.6 pts
60Washington County5.5-0.4 pts
62Chester County5.4-0.4 pts
63Allegheny County5.30 pts
64Bucks County5.1-1 pts
64Montour County5.1+0.3 pts
66Westmoreland County4.9-0.2 pts
67Butler County4.5-0.2 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. 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. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

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, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-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, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in Pennsylvania by uninsured rate, ages 18 to 64 (US model-based estimate), 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Pennsylvania by uninsured rate, ages 18 to 64 (US model-based estimate), 2023. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/pennsylvania-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Counties in Pennsylvania by uninsured rate, ages 18 to 64 (US model-based estimate), 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/pennsylvania-counties?period=2023.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Pennsylvania by uninsured rate, ages 18 to 64 (US model-based estimate), 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/pennsylvania-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_pennsylvania_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Pennsylvania by uninsured rate, ages 18 to 64 (US model-based estimate), 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/pennsylvania-counties?period=2023. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Pennsylvania by uninsured rate, ages 18 to 64 (US model-based estimate), 2023
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-2023-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/pennsylvania-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/pennsylvania-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Forest County, with 13.5% in 2023, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

Butler County, with 4.5% in 2023.

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, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

Counties in Pennsylvania: more rankings