RANKING · 2024 ACS · 67 SHOWN OF 67

Largest senior population, Pennsylvania counties

Pennsylvania counties home to the most residents aged 65 and over as of 2024. 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, PAPA1,225,035249,886+9%

02Philadelphia County, PAPA1,574,281232,118+9%

03Montgomery County, PAPA877,643163,106+46%

04Bucks County, PAPA647,828132,986+79%

05Lancaster County, PAPA563,159109,434+66%

06Delaware County, PAPA580,937100,966+18%

07Chester County, PAPA557,11697,116+92%

08York County, PAPA473,19787,113+69%

09Westmoreland County, PAPA349,32485,642+26%

10Berks County, PAPA440,07278,100+39%

11Lehigh County, PAPA384,38367,008+36%

12Luzerne County, PAPA332,12665,922+5%

13Northampton County, PAPA324,41164,743+54%

14Erie County, PAPA265,83253,079+32%

15Dauphin County, PAPA293,35152,221+46%

16Cumberland County, PAPA277,27050,986+61%

17Washington County, PAPA210,80246,167+27%

18Lackawanna County, PAPA216,50244,410+7%

19Butler County, PAPA200,16940,695+64%

20Beaver County, PAPA166,03237,625+13%

21Monroe County, PAPA167,17932,781+92%

22Franklin County, PAPA160,65231,775+53%

23Cambria County, PAPA128,96831,490+5%

24Schuylkill County, PAPA145,08530,226+1%

25Lebanon County, PAPA146,38029,525+50%

26Fayette County, PAPA123,02128,557+6%

27Blair County, PAPA119,54126,068+16%

28Centre County, PAPA157,39325,272+80%

29Mercer County, PAPA107,86025,271+16%

30Lycoming County, PAPA112,58723,375+21%

31Adams County, PAPA107,59423,130+83%

32Northumberland County, PAPA89,92020,204+12%

33Lawrence County, PAPA83,91119,902+9%

34Crawford County, PAPA81,79218,783+34%

35Somerset County, PAPA72,00417,404+21%

36Clearfield County, PAPA78,10017,132+22%

37Indiana County, PAPA82,87817,076+28%

38Armstrong County, PAPA63,69815,521+19%

39Carbon County, PAPA65,86814,795+36%

40Pike County, PAPA62,80814,732+110%

41Bradford County, PAPA59,60013,413+36%

42Columbia County, PAPA66,19313,294+30%

43Wayne County, PAPA51,70313,107+57%

44Venango County, PAPA49,34612,346+28%

45Bedford County, PAPA47,48011,391+38%

46Mifflin County, PAPA46,12710,130+28%

47Jefferson County, PAPA43,2559,757+19%

48Huntingdon County, PAPA43,0019,659+43%

49Susquehanna County, PAPA38,2379,623+47%

50Tioga County, PAPA40,5029,615+46%

51Perry County, PAPA46,8069,476+77%

52Warren County, PAPA37,0389,384+28%

53Union County, PAPA42,3138,439+51%

54McKean County, PAPA38,9848,390+9%

55Snyder County, PAPA39,6558,160+55%

56Clarion County, PAPA36,6807,658+21%

57Clinton County, PAPA37,8707,565+19%

58Elk County, PAPA29,9267,366+21%

59Greene County, PAPA33,8857,193+16%

60Wyoming County, PAPA25,7905,955+60%

61Juniata County, PAPA23,4034,956+43%

62Potter County, PAPA15,8974,196+39%

63Montour County, PAPA17,8683,941+26%

64Fulton County, PAPA14,4833,315+60%

65Sullivan County, PAPA5,8561,852+29%

66Forest County, PAPA6,6141,676+70%

67Cameron County, PAPA4,2111,304+11%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES