RANKING · 2024 ACS · 67 SHOWN OF 67

Oldest housing stock, Pennsylvania counties

Pennsylvania counties ranked by oldest median year of construction (2024 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 67 is 1969. Biggest climber in the top 100 since 2020: Forest County, PA, up 9 places to #38.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Schuylkill County, PAPA145,08519460%

02Philadelphia County, PAPA1,574,2811949+1%

03McKean County, PAPA38,9841953+1%

04Northumberland County, PAPA89,9201954+1%

05▲1Lackawanna County, PAPA216,5021955+1%

06▼1Cambria County, PAPA128,9681956+1%

07▲3Allegheny County, PAPA1,225,03519570%

08▲4Beaver County, PAPA166,03219570%

09▲4Blair County, PAPA119,5411957+1%

10▼2Delaware County, PAPA580,93719570%

11▼4Lawrence County, PAPA83,91119570%

12▲2Armstrong County, PAPA63,69819590%

13▲2Cameron County, PAPA4,2111959+1%

14▲2Venango County, PAPA49,34619590%

15▲3Warren County, PAPA37,03819590%

16▼7Fayette County, PAPA123,0211959+1%

17▲6Greene County, PAPA33,8851960+1%

18▲6Mifflin County, PAPA46,12719600%

19▼8Luzerne County, PAPA332,1261960+1%

20▼3Elk County, PAPA29,92619610%

21▼2Jefferson County, PAPA43,25519610%

22▼2Mercer County, PAPA107,86019630%

23▼2Lycoming County, PAPA112,5871963+1%

24▼2Erie County, PAPA265,8321964+1%

25Somerset County, PAPA72,00419640%

26▲1Westmoreland County, PAPA349,32419640%

27▲1Crawford County, PAPA81,7921966+1%

28▼2Washington County, PAPA210,8021966+1%

29Clarion County, PAPA36,6801967+1%

30▲7Clinton County, PAPA37,87019670%

31▲4Lehigh County, PAPA384,3831968+1%

32Berks County, PAPA440,0721969+1%

33▲3Bradford County, PAPA59,6001969+1%

34▲4Potter County, PAPA15,8971969+1%

35▼5Clearfield County, PAPA78,1001970+1%

36▼5Columbia County, PAPA66,1931970+1%

37▲4Indiana County, PAPA82,87819700%

38▲9Forest County, PAPA6,61419700%

39▲4Bedford County, PAPA47,4801971+1%

40▼6Northampton County, PAPA324,4111971+1%

41▼1Montgomery County, PAPA877,6431971+1%

42▲3Carbon County, PAPA65,8681972+1%

43▲3Huntingdon County, PAPA43,0011972+1%

44▼11Dauphin County, PAPA293,3511972+1%

45▼3Lebanon County, PAPA146,3801972+1%

46▼2Tioga County, PAPA40,5021972+1%

47▲2Snyder County, PAPA39,65519730%

48▼9Sullivan County, PAPA5,8561973+1%

49▲1Juniata County, PAPA23,4031973+1%

50▲3Union County, PAPA42,3131974+1%

51▼3Wyoming County, PAPA25,7901974+1%

52▼1Bucks County, PAPA647,8281975+1%

53▲1Susquehanna County, PAPA38,2371975+1%

54▲1Fulton County, PAPA14,4831976+1%

55▼3Montour County, PAPA17,8681976+1%

56▲3Perry County, PAPA46,8061976+1%

57▼1York County, PAPA473,1971976+1%

58▼1Cumberland County, PAPA277,2701978+1%

59▼1Lancaster County, PAPA563,1591978+1%

60Franklin County, PAPA160,6521978+1%

61Adams County, PAPA107,5941980+1%

62▲1Centre County, PAPA157,3931980+1%

63▲1Wayne County, PAPA51,70319800%

64▼2Butler County, PAPA200,1691980+1%

65Chester County, PAPA557,1161983+1%

66Monroe County, PAPA167,17919840%

67Pike County, PAPA62,80819850%

SHOWING 1–67 OF 67

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES