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Median Age in Pennsylvania, by County

Median Age for every county in Pennsylvania, ranked. The highest is Sullivan County at 55.9 and the lowest is Centre County at 34.2.

Pennsylvania: 40.9 · United States: 38.9 · median county in Pennsylvania: 43.7

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#County Median Age
1Sullivan County55.9
2Cameron County53.0
3Pike County49.4
4Wayne County49.2
5Forest County48.7
6Susquehanna County48.6
7Elk County48.4
8Potter County48.4
9Venango County47.6
10Bedford County47.5
11Armstrong County47.2
12Westmoreland County47.2
13Warren County47.1
14Somerset County46.9
15Carbon County46.3
16Fulton County46.1
17Cambria County45.6
18Clearfield County45.4
19Fayette County45.4
20Mercer County45.1
21Tioga County45.1
22Wyoming County45.1
23Lawrence County44.9
24Beaver County44.7
25Northumberland County44.5
26Bucks County44.2
27Washington County44.2
28Monroe County44.1
29Crawford County44.0
30Huntingdon County44.0
31Jefferson County44.0
32McKean County44.0
33Perry County43.8
34Adams County43.7
35Schuylkill County43.7
36Bradford County43.6
37Butler County43.4
38Mifflin County43.4
39Greene County43.3
40Juniata County43.3
41Blair County43.1
42Montour County42.9
43Franklin County42.1
44Luzerne County42.0
45Northampton County42.0
46Lackawanna County41.9
47Clarion County41.7
48Lycoming County41.4
49Montgomery County41.2
50Lebanon County41.1
51York County41.1
52Columbia County41.0
53Union County41.0
54Chester County40.8
55Allegheny County40.6
56Snyder County40.6
57Cumberland County40.2
58Erie County40.2
59Indiana County40.0
60Berks County39.9
61Clinton County39.8
62Lehigh County39.6
63Dauphin County39.4
64Lancaster County39.4
65Delaware County39.1
66Philadelphia County35.3
67Centre County34.2

Half of residents are older than this and half are younger.

Source: ACS 2020-2024 5-Year Estimates, 2024.

Pennsylvania ranks 10th of 52 states for median age.

Median Age in other states

Other statistics for Pennsylvania by county