Counties in Pennsylvania by median age

Sullivan County had the highest median age of 67 counties in 2022, at 55 years. Centre County had the lowest, at 33.3 years. The median was 43.6 years and the figure for Pennsylvania was 40.8 years. Source: the U.S. Census Bureau.

Lowest33.3Centre County
Median43.667 counties
Pennsylvania40.8History

Top 40 counties, 2022

CSVChart (SVG)

Sullivan CountySullivan County: 55 years55Cameron CountyCameron County: 51.8 years51.8Pike CountyPike County: 48.9 years48.9Wayne CountyWayne County: 48.8 years48.8Susquehanna CountySusquehanna County: 48.5 years48.5Elk CountyElk County: 48.2 years48.2Potter CountyPotter County: 48.1 years48.1Venango CountyVenango County: 47.6 years47.6Warren CountyWarren County: 47.4 years47.4Bedford CountyBedford County: 47.3 years47.3Westmoreland CountyWestmoreland County: 47.2 years47.2Armstrong CountyArmstrong County: 47 years47Somerset CountySomerset County: 46.7 years46.7Carbon CountyCarbon County: 46.3 years46.3Forest CountyForest County: 46.2 years46.2Fulton CountyFulton County: 45.7 years45.7Cambria CountyCambria County: 45.6 years45.6Wyoming CountyWyoming County: 45.3 years45.3Clearfield CountyClearfield County: 45.2 years45.2Fayette CountyFayette County: 45.2 years45.2Lawrence CountyLawrence County: 45 years45Mercer CountyMercer County: 45 years45Tioga CountyTioga County: 45 years45Beaver CountyBeaver County: 44.9 years44.9Northumberland CountyNorthumberland County: 44.5 years44.5Schuylkill CountySchuylkill County: 44.2 years44.2Washington CountyWashington County: 44.2 years44.2Bucks CountyBucks County: 44 years44Bradford CountyBradford County: 43.9 years43.9Adams CountyAdams County: 43.8 years43.8McKean CountyMcKean County: 43.8 years43.8Jefferson CountyJefferson County: 43.7 years43.7Perry CountyPerry County: 43.7 years43.7Crawford CountyCrawford County: 43.6 years43.6Huntingdon CountyHuntingdon County: 43.6 years43.6Monroe CountyMonroe County: 43.5 years43.5Butler CountyButler County: 43.4 years43.4Mifflin CountyMifflin County: 43.3 years43.3Montour CountyMontour County: 43.2 years43.2Greene CountyGreene County: 43.1 years43.1
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2022
years
Change on 2021
1Sullivan County55+0.5
2Cameron County51.80
3Pike County48.9+0.3
4Wayne County48.8+0.4
5Susquehanna County48.5-0.1
6Elk County48.2+0.1
7Potter County48.1+0.4
8Venango County47.6+0.2
9Warren County47.4+0.3
10Bedford County47.3+0.1
11Westmoreland County47.2+0.1
12Armstrong County470
13Somerset County46.7+0.5
14Carbon County46.3+0.1
15Forest County46.2-3.4
16Fulton County45.70
17Cambria County45.6+0.1
18Wyoming County45.3+0.1
19Clearfield County45.20
19Fayette County45.2+0.1
21Lawrence County450
21Mercer County45+0.2
21Tioga County450
24Beaver County44.90
25Northumberland County44.5+0.1
26Schuylkill County44.2+0.1
26Washington County44.20
28Bucks County440
29Bradford County43.9-0.1
30Adams County43.8-0.2
30McKean County43.8+0.3
32Jefferson County43.7+0.1
32Perry County43.7+0.4
34Crawford County43.6+0.3
34Huntingdon County43.6+0.2
36Monroe County43.5+0.2
37Butler County43.4+0.1
38Mifflin County43.3-0.3
39Montour County43.2+0.1
40Greene County43.1+0.4
41Blair County42.9-0.5
42Juniata County42.7+0.1
43Franklin County42.2+0.4
43Luzerne County42.2-0.2
45Lackawanna County41.9-0.2
45Northampton County41.9-0.2
47Clarion County41.5-0.1
48Lycoming County41.4+0.2
49Columbia County41.3-0.2
49Lebanon County41.3+0.5
51Montgomery County41.20
52York County41+0.2
53Chester County40.7+0.1
54Allegheny County40.6-0.1
55Cumberland County40.3-0.2
56Snyder County40-0.3
57Berks County39.9-0.1
57Erie County39.90
59Clinton County39.8+0.1
60Union County39.7+0.1
61Indiana County39.6-0.5
62Dauphin County39.4-0.1
63Delaware County390
63Lancaster County39+0.3
65Lehigh County38.9+0.1
66Philadelphia County34.80
67Centre County33.3-0.2

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

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 B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Sullivan County, with 55 years in 2022, according to the U.S. Census Bureau.

Which county has the lowest median age?

Centre County, with 33.3 years 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 B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Pennsylvania: more rankings