RANKING · 2020 CENSUS · 67 SHOWN OF 67

Largest senior population, Pennsylvania counties · 2020

Pennsylvania counties home to the most residents aged 65 and over as of 2020. Ranked by number of people, not the senior share. This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide.

PennsylvaniaAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Allegheny County, PAPA1,225,035242,860+6%

02Philadelphia County, PAPA1,574,281229,072+7%

03Montgomery County, PAPA877,643159,904+43%

04Bucks County, PAPA647,828127,732+72%

05Lancaster County, PAPA563,159106,134+61%

06Delaware County, PAPA580,93799,864+17%

07Chester County, PAPA557,11692,128+82%

08York County, PAPA473,19783,853+63%

09Westmoreland County, PAPA349,32483,673+23%

10Berks County, PAPA440,07277,530+38%

11Lehigh County, PAPA384,38366,768+35%

12Luzerne County, PAPA332,12666,672+6%

13Northampton County, PAPA324,41162,382+48%

14Erie County, PAPA265,83251,487+28%

15Cumberland County, PAPA277,27050,477+59%

16Dauphin County, PAPA293,35150,339+40%

17Washington County, PAPA210,80245,236+25%

18Lackawanna County, PAPA216,50244,727+8%

19Butler County, PAPA200,16938,675+56%

20Beaver County, PAPA166,03237,264+11%

21Franklin County, PAPA160,65232,089+55%

22Cambria County, PAPA128,96831,227+4%

23Schuylkill County, PAPA145,08531,160+4%

24Monroe County, PAPA167,17930,034+76%

25Lebanon County, PAPA146,38029,728+51%

26Fayette County, PAPA123,02128,939+7%

27Blair County, PAPA119,54127,348+22%

28Mercer County, PAPA107,86025,177+16%

29Centre County, PAPA157,39323,893+70%

30Lycoming County, PAPA112,58723,339+21%

31Adams County, PAPA107,59422,400+77%

32Northumberland County, PAPA89,92019,806+10%

33Lawrence County, PAPA83,91119,555+7%

34Crawford County, PAPA81,79218,401+31%

35Clearfield County, PAPA78,10017,521+24%

36Somerset County, PAPA72,00417,414+21%

37Indiana County, PAPA82,87817,207+29%

38Armstrong County, PAPA63,69814,956+15%

39Carbon County, PAPA65,86814,208+31%

40Pike County, PAPA62,80813,188+88%

41Columbia County, PAPA66,19313,183+29%

42Bradford County, PAPA59,60012,836+30%

43Wayne County, PAPA51,70312,593+51%

44Venango County, PAPA49,34611,943+24%

45Bedford County, PAPA47,48011,139+35%

46Mifflin County, PAPA46,12710,188+29%

47Jefferson County, PAPA43,2559,884+20%

48Huntingdon County, PAPA43,0019,553+42%

49Tioga County, PAPA40,5029,312+41%

50Perry County, PAPA46,8069,171+72%

51Warren County, PAPA37,0389,137+25%

52Susquehanna County, PAPA38,2379,122+39%

53McKean County, PAPA38,9848,377+9%

54Clarion County, PAPA36,6808,049+27%

55Union County, PAPA42,3138,045+44%

56Snyder County, PAPA39,6557,694+46%

57Clinton County, PAPA37,8707,683+21%

58Greene County, PAPA33,8857,264+17%

59Elk County, PAPA29,9267,063+16%

60Wyoming County, PAPA25,7905,690+53%

61Juniata County, PAPA23,4034,919+42%

62Potter County, PAPA15,8974,124+37%

63Montour County, PAPA17,8684,066+30%

64Fulton County, PAPA14,4833,193+54%

65Sullivan County, PAPA5,8561,696+18%

66Forest County, PAPA6,6141,505+53%

67Cameron County, PAPA4,2111,258+7%

SHOWING 1–67 OF 67

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS