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)

Philadelphia County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 67 counties in 2015, at 13.6%. Montour County had the lowest, at 5.6%. The median was 8.5% and the figure for Pennsylvania was 8.9%. Source: the U.S. Census Bureau.

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Highest13.6Philadelphia County
Lowest5.6Montour County
Median8.567 counties
Pennsylvania8.9History

Map of counties, 2015

Adams County: 8.8 %Allegheny County: 7 %Armstrong County: 8 %Beaver County: 6.3 %Bedford County: 9.6 %Berks County: 9.9 %Blair County: 7.2 %Bradford County: 9.3 %Bucks County: 6.7 %Butler County: 5.7 %Cambria County: 7.6 %Cameron County: 8.1 %Carbon County: 8.1 %Centre County: 8.5 %Chester County: 7.3 %Clarion County: 9 %Clearfield County: 8.3 %Clinton County: 8.5 %Columbia County: 7.6 %Crawford County: 11 %Cumberland County: 7.5 %Dauphin County: 8.6 %Delaware County: 7.9 %Elk County: 6.4 %Erie County: 8.2 %Fayette County: 8.8 %Forest County: 8.5 %Franklin County: 10.6 %Fulton County: 8.6 %Greene County: 7.3 %Huntingdon County: 7.9 %Indiana County: 9.5 %Jefferson County: 9.6 %Juniata County: 11.4 %Lackawanna County: 9.2 %Lancaster County: 11.6 %Lawrence County: 8.1 %Lebanon County: 9.9 %Lehigh County: 10.2 %Luzerne County: 9.1 %Lycoming County: 8.3 %McKean County: 8.1 %Mercer County: 9.2 %Mifflin County: 12.5 %Monroe County: 9.7 %Montgomery County: 6.1 %Montour County: 5.6 %Northampton County: 8 %Northumberland County: 8.3 %Perry County: 10.2 %Philadelphia County: 13.6 %Pike County: 9.5 %Potter County: 8.4 %Schuylkill County: 8.9 %Snyder County: 11.8 %Somerset County: 9.9 %Sullivan County: 9.4 %Susquehanna County: 10.4 %Tioga County: 9.9 %Union County: 10 %Venango County: 8.3 %Warren County: 8 %Washington County: 6.6 %Wayne County: 9 %Westmoreland County: 6.9 %Wyoming County: 7.7 %York County: 8.4 %
  • Under 7.3
  • 7.3 to 8.1
  • 8.1 to 8.5
  • 8.5 to 9.2
  • 9.2 to 9.9
  • 9.9 and over
%, 2015. 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, 2015

Philadelphia County: 13.6 %Philadelphia County13.6Mifflin County: 12.5 %Mifflin County12.5Snyder County: 11.8 %Snyder County11.8Lancaster County: 11.6 %Lancaster County11.6Juniata County: 11.4 %Juniata County11.4Crawford County: 11 %Crawford County11Franklin County: 10.6 %Franklin County10.6Susquehanna County: 10.4 %Susquehanna County10.4Lehigh County: 10.2 %Lehigh County10.2Perry County: 10.2 %Perry County10.2Union County: 10 %Union County10Berks County: 9.9 %Berks County9.9Lebanon County: 9.9 %Lebanon County9.9Somerset County: 9.9 %Somerset County9.9Tioga County: 9.9 %Tioga County9.9Monroe County: 9.7 %Monroe County9.7Bedford County: 9.6 %Bedford County9.6Jefferson County: 9.6 %Jefferson County9.6Indiana County: 9.5 %Indiana County9.5Pike County: 9.5 %Pike County9.5Sullivan County: 9.4 %Sullivan County9.4Bradford County: 9.3 %Bradford County9.3Lackawanna County: 9.2 %Lackawanna County9.2Mercer County: 9.2 %Mercer County9.2Luzerne County: 9.1 %Luzerne County9.1Clarion County: 9 %Clarion County9Wayne County: 9 %Wayne County9Schuylkill County: 8.9 %Schuylkill County8.9Adams County: 8.8 %Adams County8.8Fayette County: 8.8 %Fayette County8.8Dauphin County: 8.6 %Dauphin County8.6Fulton County: 8.6 %Fulton County8.6Centre County: 8.5 %Centre County8.5Clinton County: 8.5 %Clinton County8.5Forest County: 8.5 %Forest County8.5Potter County: 8.4 %Potter County8.4York County: 8.4 %York County8.4Clearfield County: 8.3 %Clearfield County8.3Lycoming County: 8.3 %Lycoming County8.3Northumberland County: 8.3 %Northumberland County8.3Philadelphia County: 13.6 %Philadelphia County13.6Mifflin County: 12.5 %Mifflin County12.5Snyder County: 11.8 %Snyder County11.8Lancaster County: 11.6 %Lancaster County11.6Juniata County: 11.4 %Juniata County11.4Crawford County: 11 %Crawford County11Franklin County: 10.6 %Franklin County10.6Susquehanna County: 10.4 %Susquehanna County10.4Lehigh County: 10.2 %Lehigh County10.2Perry County: 10.2 %Perry County10.2Union County: 10 %Union County10Berks County: 9.9 %Berks County9.9Lebanon County: 9.9 %Lebanon County9.9Somerset County: 9.9 %Somerset County9.9Tioga County: 9.9 %Tioga County9.9Monroe County: 9.7 %Monroe County9.7Bedford County: 9.6 %Bedford County9.6Jefferson County: 9.6 %Jefferson County9.6Indiana County: 9.5 %Indiana County9.5Pike County: 9.5 %Pike County9.5Sullivan County: 9.4 %Sullivan County9.4Bradford County: 9.3 %Bradford County9.3Lackawanna County: 9.2 %Lackawanna County9.2Mercer County: 9.2 %Mercer County9.2Luzerne County: 9.1 %Luzerne County9.1Clarion County: 9 %Clarion County9Wayne County: 9 %Wayne County9Schuylkill County: 8.9 %Schuylkill County8.9Adams County: 8.8 %Adams County8.8Fayette County: 8.8 %Fayette County8.8Dauphin County: 8.6 %Dauphin County8.6Fulton County: 8.6 %Fulton County8.6Centre County: 8.5 %Centre County8.5Clinton County: 8.5 %Clinton County8.5Forest County: 8.5 %Forest County8.5Potter County: 8.4 %Potter County8.4York County: 8.4 %York County8.4Clearfield County: 8.3 %Clearfield County8.3Lycoming County: 8.3 %Lycoming County8.3Northumberland County: 8.3 %Northumberland County8.3
%. 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

RankCounties2015 (%)Change on 2014
1Philadelphia County13.6-4.2 pts
2Mifflin County12.5-3 pts
3Snyder County11.8-4 pts
4Lancaster County11.6-3 pts
5Juniata County11.4-3.2 pts
6Crawford County11-3.7 pts
7Franklin County10.6-4 pts
8Susquehanna County10.4-3.1 pts
9Lehigh County10.2-3.5 pts
9Perry County10.2-2.9 pts
11Union County10-2.4 pts
12Berks County9.9-3.8 pts
12Lebanon County9.9-3 pts
12Somerset County9.9-2.6 pts
12Tioga County9.9-3.3 pts
16Monroe County9.7-3.8 pts
17Bedford County9.6-3.8 pts
17Jefferson County9.6-2 pts
19Indiana County9.5-3.7 pts
19Pike County9.5-3.2 pts
21Sullivan County9.4-5 pts
22Bradford County9.3-3.5 pts
23Lackawanna County9.2-2.5 pts
23Mercer County9.2-2.4 pts
25Luzerne County9.1-3.4 pts
26Clarion County9-3.8 pts
26Wayne County9-3.1 pts
28Schuylkill County8.9-3.4 pts
29Adams County8.8-2.7 pts
29Fayette County8.8-3.7 pts
31Dauphin County8.6-3.1 pts
31Fulton County8.6-3.1 pts
33Centre County8.5-1.8 pts
33Clinton County8.5-4.3 pts
33Forest County8.5-4.4 pts
36Potter County8.4-3.6 pts
36York County8.4-1.6 pts
38Clearfield County8.3-3.8 pts
38Lycoming County8.3-4.7 pts
38Northumberland County8.3-5.6 pts
38Venango County8.3-4.1 pts
42Erie County8.2-4.7 pts
43Cameron County8.1-3.6 pts
43Carbon County8.1-4 pts
43Lawrence County8.1-2.8 pts
43McKean County8.1-4.1 pts
47Armstrong County8-3 pts
47Northampton County8-3.2 pts
47Warren County8-3.1 pts
50Delaware County7.9-3.1 pts
50Huntingdon County7.9-4.3 pts
52Wyoming County7.7-3.6 pts
53Cambria County7.6-2.8 pts
53Columbia County7.6-3.5 pts
55Cumberland County7.5-2.4 pts
56Chester County7.3-2.4 pts
56Greene County7.3-3 pts
58Blair County7.2-4 pts
59Allegheny County7-2.4 pts
60Westmoreland County6.9-2.6 pts
61Bucks County6.7-1.3 pts
62Washington County6.6-3 pts
63Elk County6.4-3.3 pts
64Beaver County6.3-3.9 pts
65Montgomery County6.1-1.4 pts
66Butler County5.7-2.7 pts
67Montour County5.6-3.2 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-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, 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), 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, 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), 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-ages-18-64/pennsylvania-counties?period=2015. 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), 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-ages-18-64/pennsylvania-counties?period=2015.

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), 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-ages-18-64/pennsylvania-counties?period=2015 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_pennsylvania_by_2015,
  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), 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-ages-18-64/pennsylvania-counties?period=2015. 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-2015-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), 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-ages-18-64/pennsylvania-counties?period=2015
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/pennsylvania-counties?period=2015.
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-2015-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)?

Philadelphia County, with 13.6% in 2015, according to the U.S. Census Bureau.

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

Montour County, with 5.6% 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, 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