RANKING · 2010 CENSUS · 67 SHOWN OF 67

Largest senior population, Pennsylvania counties · 2010

Pennsylvania counties home to the most residents aged 65 and over as of 2010. 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, PAPA1,225,035205,059−10%

02Philadelphia County, PAPA1,574,281185,309−13%

03Montgomery County, PAPA877,643120,727+8%

04Bucks County, PAPA647,82891,219+23%

05Delaware County, PAPA580,93779,726−7%

06Lancaster County, PAPA563,15977,780+18%

07Westmoreland County, PAPA349,32468,877+2%

08Chester County, PAPA557,11663,875+26%

09York County, PAPA473,19761,057+19%

10Berks County, PAPA440,07259,558+6%

11Luzerne County, PAPA332,12657,595−8%

12Lehigh County, PAPA384,38351,604+4%

13Northampton County, PAPA324,41146,606+11%

14Erie County, PAPA265,83240,824+1%

15Lackawanna County, PAPA216,50237,895−9%

16Dauphin County, PAPA293,35136,841+3%

17Cumberland County, PAPA277,27036,745+16%

18Washington County, PAPA210,80236,366+0%

19Beaver County, PAPA166,03231,660−5%

20Butler County, PAPA200,16927,853+12%

21Cambria County, PAPA128,96827,071−10%

22Schuylkill County, PAPA145,08526,828−10%

23Franklin County, PAPA160,65224,679+19%

24Fayette County, PAPA123,02124,580−9%

25Lebanon County, PAPA146,38022,729+15%

26Blair County, PAPA119,54122,527+0%

27Monroe County, PAPA167,17921,701+27%

28Mercer County, PAPA107,86021,556−1%

29Lycoming County, PAPA112,58719,112−1%

30Northumberland County, PAPA89,92017,516−3%

31Centre County, PAPA157,39317,366+23%

32Lawrence County, PAPA83,91117,128−6%

33Adams County, PAPA107,59415,954+26%

34Crawford County, PAPA81,79214,712+5%

35Somerset County, PAPA72,00414,431−0%

36Clearfield County, PAPA78,10014,258+1%

37Indiana County, PAPA82,87813,944+5%

38Armstrong County, PAPA63,69812,687−3%

39Carbon County, PAPA65,86811,644+7%

40Bradford County, PAPA59,60011,152+13%

41Columbia County, PAPA66,19310,811+6%

42Wayne County, PAPA51,70310,028+20%

43Venango County, PAPA49,3469,884+2%

44Bedford County, PAPA47,4809,476+15%

45Pike County, PAPA62,8089,303+33%

46Mifflin County, PAPA46,1278,643+9%

47Jefferson County, PAPA43,2558,255+0%

48Susquehanna County, PAPA38,2377,845+20%

49Warren County, PAPA37,0387,840+7%

50Tioga County, PAPA40,5027,562+14%

51Huntingdon County, PAPA43,0017,458+11%

52McKean County, PAPA38,9847,381−4%

53Union County, PAPA42,3136,654+19%

54Clarion County, PAPA36,6806,566+4%

55Clinton County, PAPA37,8706,350−0%

56Perry County, PAPA46,8066,294+18%

57Snyder County, PAPA39,6556,144+16%

58Elk County, PAPA29,9266,066−0%

59Greene County, PAPA33,8855,931−4%

60Wyoming County, PAPA25,7904,528+22%

61Juniata County, PAPA23,4034,134+19%

62Potter County, PAPA15,8973,403+13%

63Montour County, PAPA17,8683,395+9%

64Fulton County, PAPA14,4832,544+23%

65Sullivan County, PAPA5,8561,557+9%

66Forest County, PAPA6,6141,418+44%

67Cameron County, PAPA4,2111,086−8%

SHOWING 1–67 OF 67

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