RANKING · 2020 CENSUS · 67 SHOWN OF 67

Oldest by median age, Pennsylvania counties · 2020

Pennsylvania counties ranked by median age of residents (2020 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 67 is 44.1.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Sullivan County, PAPA5,85653.2+24%

02Cameron County, PAPA4,21151.3+24%

03Wayne County, PAPA51,70349.1+20%

04Pike County, PAPA62,80848.7+23%

05Potter County, PAPA15,89748.6+24%

06Susquehanna County, PAPA38,23748.2+22%

07Elk County, PAPA29,92648.0+22%

08Warren County, PAPA37,03847.8+18%

09Bedford County, PAPA47,48047.6+21%

10Westmoreland County, PAPA349,32447.6+15%

11Venango County, PAPA49,34647.4+18%

12Armstrong County, PAPA63,69847.3+17%

13Somerset County, PAPA72,00447.0+17%

14Carbon County, PAPA65,86846.7+15%

15Fayette County, PAPA123,02146.3+15%

16Cambria County, PAPA128,96846.0+12%

17Clearfield County, PAPA78,10045.9+17%

18Beaver County, PAPA166,03245.6+12%

19Schuylkill County, PAPA145,08545.6+11%

20Lawrence County, PAPA83,91145.5+12%

21Forest County, PAPA6,61445.4+3%

22Wyoming County, PAPA25,79045.4+20%

23Fulton County, PAPA14,48345.3+19%

24Mercer County, PAPA107,86045.1+14%

25Washington County, PAPA210,80245.1+11%

26Jefferson County, PAPA43,25545.0+13%

27Adams County, PAPA107,59444.7+21%

28Tioga County, PAPA40,50244.7+16%

29Northumberland County, PAPA89,92044.5+9%

30Bucks County, PAPA647,82844.4+18%

31Blair County, PAPA119,54144.3+12%

32Crawford County, PAPA81,79244.2+16%

33Huntingdon County, PAPA43,00144.2+17%

34Bradford County, PAPA59,60044.1+13%

35McKean County, PAPA38,98444.0+14%

36Mifflin County, PAPA46,12744.0+13%

37Greene County, PAPA33,88543.7+14%

38Perry County, PAPA46,80643.7+17%

39Clarion County, PAPA36,68043.6+20%

40Montour County, PAPA17,86843.6+10%

41Butler County, PAPA200,16943.6+16%

42Luzerne County, PAPA332,12643.4+6%

43Monroe County, PAPA167,17943.2+16%

44Juniata County, PAPA23,40343.2+15%

45Lackawanna County, PAPA216,50242.6+6%

46Northampton County, PAPA324,41142.6+11%

47Franklin County, PAPA160,65242.2+10%

48Lebanon County, PAPA146,38041.8+8%

49Lycoming County, PAPA112,58741.8+9%

50Columbia County, PAPA66,19341.6+11%

51Clinton County, PAPA37,87041.5+10%

52Indiana County, PAPA82,87841.5+15%

53Montgomery County, PAPA877,64341.4+8%

54York County, PAPA473,19741.4+10%

55Cumberland County, PAPA277,27040.8+7%

56Erie County, PAPA265,83240.6+12%

57Chester County, PAPA557,11640.5+10%

58Berks County, PAPA440,07240.4+8%

59Snyder County, PAPA39,65540.3+10%

60Allegheny County, PAPA1,225,03540.2+2%

61Lehigh County, PAPA384,38340.1+5%

62Dauphin County, PAPA293,35139.8+5%

63Union County, PAPA42,31339.5+10%

64Delaware County, PAPA580,93739.4+5%

65Lancaster County, PAPA563,15939.3+9%

66Philadelphia County, PAPA1,574,28134.8+2%

67Centre County, PAPA157,39331.5+10%

SHOWING 1–67 OF 67

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS