RANKING · 1990 CENSUS · 67 SHOWN OF 67

Newest housing stock, Pennsylvania counties · 1990

Pennsylvania counties ranked by median year housing was built (1990 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 67 is 1956.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

01Monroe County, PAPA167,1791976–

02Pike County, PAPA62,8081976–

03Wayne County, PAPA51,7031973–

04Chester County, PAPA557,1161968–

05Centre County, PAPA157,3931967–

06Forest County, PAPA6,6141967–

07Fulton County, PAPA14,4831966–

08Bucks County, PAPA647,8281965–

09Perry County, PAPA46,8061965–

10Adams County, PAPA107,5941964–

11Cumberland County, PAPA277,2701964–

12Snyder County, PAPA39,6551964–

13Wyoming County, PAPA25,7901964–

14Union County, PAPA42,3131963–

15Susquehanna County, PAPA38,2371963–

16Butler County, PAPA200,1691962–

17Franklin County, PAPA160,6521962–

18Indiana County, PAPA82,8781961–

19Lancaster County, PAPA563,1591961–

20York County, PAPA473,1971961–

21Bedford County, PAPA47,4801960–

22Huntingdon County, PAPA43,0011960–

23Montour County, PAPA17,8681960–

24Tioga County, PAPA40,5021960–

25Clinton County, PAPA37,8701959–

26Potter County, PAPA15,8971959–

27Juniata County, PAPA23,4031959–

28Montgomery County, PAPA877,6431959–

29Dauphin County, PAPA293,3511958–

30Clarion County, PAPA36,6801957–

31Lehigh County, PAPA384,3831957–

32Westmoreland County, PAPA349,3241957–

33Bradford County, PAPA59,6001956–

34Crawford County, PAPA81,7921956–

35Somerset County, PAPA72,0041956–

36Lebanon County, PAPA146,3801956–

37Northampton County, PAPA324,4111955–

38Columbia County, PAPA66,1931954–

39Elk County, PAPA29,9261954–

40Erie County, PAPA265,8321954–

41Mercer County, PAPA107,8601954–

42Mifflin County, PAPA46,1271954–

43Sullivan County, PAPA5,8561954–

44Warren County, PAPA37,0381954–

45Beaver County, PAPA166,0321953–

46Berks County, PAPA440,0721953–

47Carbon County, PAPA65,8681953–

48Clearfield County, PAPA78,1001953–

49Washington County, PAPA210,8021953–

50Delaware County, PAPA580,9371952–

51Jefferson County, PAPA43,2551952–

52Allegheny County, PAPA1,225,0351951–

53Armstrong County, PAPA63,6981951–

54Venango County, PAPA49,3461951–

55Lycoming County, PAPA112,5871951–

56Greene County, PAPA33,8851949–

57Lawrence County, PAPA83,9111949–

58Cameron County, PAPA4,2111948–

59Fayette County, PAPA123,0211948–

60Blair County, PAPA119,5411947–

61Cambria County, PAPA128,9681946–

62McKean County, PAPA38,9841943–

63Luzerne County, PAPA332,1261940–

64Lackawanna County, PAPA216,5021939–

65Northumberland County, PAPA89,9201939–

66Schuylkill County, PAPA145,0851939–

67Philadelphia County, PAPA1,574,2811939–

SHOWING 1–67 OF 67

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