Data / Rankings / Population aged 65 and over / Counties in Pennsylvania

Counties in Pennsylvania by share of population aged 65 and over

Sullivan County had the highest share of population aged 65 and over of 67 counties in 2022, at 31.3%. Philadelphia County had the lowest, at 14.9%. The median was 22.3% and the figure for Pennsylvania was 20%. Source: the U.S. Census Bureau.

Highest31.3Sullivan County
Lowest14.9Philadelphia County
Median22.367 counties
Pennsylvania20History

Top 40 counties, 2022

CSVChart (SVG)

Sullivan CountySullivan County: 31.3 %31.3Cameron CountyCameron County: 28.8 %28.8Potter CountyPotter County: 26.6 %26.6Wayne CountyWayne County: 25.6 %25.6Venango CountyVenango County: 25.1 %25.1Susquehanna CountySusquehanna County: 25.1 %25.1Warren CountyWarren County: 24.9 %24.9Westmoreland CountyWestmoreland County: 24.9 %24.9Somerset CountySomerset County: 24.7 %24.7Cambria CountyCambria County: 24.6 %24.6Elk CountyElk County: 24.4 %24.4Bedford CountyBedford County: 24.4 %24.4Forest CountyForest County: 24.3 %24.3Armstrong CountyArmstrong County: 24.3 %24.3Tioga CountyTioga County: 23.8 %23.8Montour CountyMontour County: 23.7 %23.7Mercer CountyMercer County: 23.7 %23.7Lawrence CountyLawrence County: 23.7 %23.7Fayette CountyFayette County: 23.5 %23.5Pike CountyPike County: 23.4 %23.4Jefferson CountyJefferson County: 23.4 %23.4Beaver CountyBeaver County: 23.3 %23.3Clearfield CountyClearfield County: 23.2 %23.2Blair CountyBlair County: 23.2 %23.2Crawford CountyCrawford County: 23.1 %23.1Huntingdon CountyHuntingdon County: 22.9 %22.9Wyoming CountyWyoming County: 22.8 %22.8Carbon CountyCarbon County: 22.7 %22.7Washington CountyWashington County: 22.7 %22.7Fulton CountyFulton County: 22.6 %22.6Adams CountyAdams County: 22.6 %22.6Northumberland CountyNorthumberland County: 22.5 %22.5Mifflin CountyMifflin County: 22.5 %22.5Schuylkill CountySchuylkill County: 22.3 %22.3Bradford CountyBradford County: 22.3 %22.3Clarion CountyClarion County: 22.2 %22.2Greene CountyGreene County: 21.8 %21.8McKean CountyMcKean County: 21.7 %21.7Indiana CountyIndiana County: 21.6 %21.6Juniata CountyJuniata County: 21.6 %21.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2022 (%)Change on 2021
1Sullivan County31.3+1.4 pts
2Cameron County28.8+0.3 pts
3Potter County26.6+0.5 pts
4Wayne County25.6+0.6 pts
5Venango County25.1+0.6 pts
6Susquehanna County25.1+0.7 pts
7Warren County24.9+0.6 pts
8Westmoreland County24.9+0.6 pts
9Somerset County24.7+0.5 pts
10Cambria County24.6+0.6 pts
11Elk County24.4+0.8 pts
12Bedford County24.4+0.5 pts
13Forest County24.3+1.5 pts
14Armstrong County24.3+0.7 pts
15Tioga County23.8+0.5 pts
16Montour County23.7+0.6 pts
17Mercer County23.7+0.4 pts
18Lawrence County23.7+0.5 pts
19Fayette County23.5+0.5 pts
20Pike County23.4+0.6 pts
21Jefferson County23.4+0.6 pts
22Beaver County23.3+0.5 pts
23Clearfield County23.2+0.5 pts
24Blair County23.2+0.6 pts
25Crawford County23.1+0.7 pts
26Huntingdon County22.9+0.7 pts
27Wyoming County22.8+0.4 pts
28Carbon County22.7+0.5 pts
29Washington County22.7+0.6 pts
30Fulton County22.6+0.3 pts
31Adams County22.6+0.7 pts
32Northumberland County22.5+0.5 pts
33Mifflin County22.5+0.4 pts
34Schuylkill County22.3+0.3 pts
35Bradford County22.3+0.4 pts
36Clarion County22.2+0.5 pts
37Greene County21.8+0.7 pts
38McKean County21.7+0.5 pts
39Indiana County21.6+0.4 pts
40Juniata County21.6+0.3 pts
41Lebanon County21.5+0.4 pts
42Lycoming County21.4+0.5 pts
43Lackawanna County21.3+0.3 pts
44Clinton County21.3+0.7 pts
45Perry County21.3+0.6 pts
46Franklin County21.2+0.3 pts
47Bucks County21.1+0.7 pts
48Butler County21.1+0.7 pts
49Columbia County20.9+0.2 pts
50Luzerne County20.9+0.2 pts
51Northampton County20.7+0.5 pts
52Snyder County20.6+0.6 pts
53Allegheny County20.5+0.6 pts
54Lancaster County20.2+0.5 pts
55Erie County20+0.5 pts
56Cumberland County19.8+0.3 pts
57Montgomery County19.6+0.5 pts
58Union County19.6+0.3 pts
59Monroe County19.4+0.8 pts
60York County19.2+0.4 pts
61Berks County18.8+0.3 pts
62Lehigh County18.6+0.4 pts
63Dauphin County18.4+0.5 pts
64Chester County18.2+0.5 pts
65Delaware County18.2+0.5 pts
66Centre County16.1+0.5 pts
67Philadelphia County14.9+0.4 pts

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

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. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Pennsylvania by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"Pennsylvania","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Pennsylvania&limit=10

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Questions

Which county has the highest share of population aged 65 and over?

Sullivan County, with 31.3% in 2022, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Philadelphia County, with 14.9% 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, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in Pennsylvania: more rankings