RANKING · 2010 CENSUS · 67 SHOWN OF 67

Largest households, Pennsylvania counties · 2010

Pennsylvania counties ranked by average household size (2023 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide.

PennsylvaniaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

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

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

01Monroe County, PAPA167,1792.74–

02Forest County, PAPA6,6142.69–

03Juniata County, PAPA23,4032.69–

04Bucks County, PAPA647,8282.65–

05Chester County, PAPA557,1162.63–

06Delaware County, PAPA580,9372.59–

07Lancaster County, PAPA563,1592.59–

08Greene County, PAPA33,8852.58–

09Snyder County, PAPA39,6552.58–

10Berks County, PAPA440,0722.56–

11Pike County, PAPA62,8082.55–

12Fulton County, PAPA14,4832.54–

13Adams County, PAPA107,5942.53–

14Philadelphia County, PAPA1,574,2812.53–

15Northampton County, PAPA324,4112.52–

16Lehigh County, PAPA384,3832.52–

17Wyoming County, PAPA25,7902.52–

18York County, PAPA473,1972.52–

19Montgomery County, PAPA877,6432.51–

20Perry County, PAPA46,8062.50–

21Sullivan County, PAPA5,8562.50–

22Bedford County, PAPA47,4802.49–

23Bradford County, PAPA59,6002.48–

24Butler County, PAPA200,1692.48–

25Susquehanna County, PAPA38,2372.48–

26Jefferson County, PAPA43,2552.47–

27Lebanon County, PAPA146,3802.47–

28Erie County, PAPA265,8322.46–

29Somerset County, PAPA72,0042.46–

30Franklin County, PAPA160,6522.46–

31Carbon County, PAPA65,8682.45–

32Wayne County, PAPA51,7032.45–

33Indiana County, PAPA82,8782.44–

34Lawrence County, PAPA83,9112.44–

35Clarion County, PAPA36,6802.43–

36Fayette County, PAPA123,0212.43–

37Crawford County, PAPA81,7922.42–

38Huntingdon County, PAPA43,0012.42–

39Mifflin County, PAPA46,1272.42–

40Washington County, PAPA210,8022.42–

41Dauphin County, PAPA293,3512.42–

42Centre County, PAPA157,3932.41–

43Columbia County, PAPA66,1932.41–

44Venango County, PAPA49,3462.40–

45Lycoming County, PAPA112,5872.40–

46Blair County, PAPA119,5412.39–

47Beaver County, PAPA166,0322.38–

48Clinton County, PAPA37,8702.38–

49McKean County, PAPA38,9842.38–

50Armstrong County, PAPA63,6982.37–

51Clearfield County, PAPA78,1002.37–

52Lackawanna County, PAPA216,5022.37–

53Montour County, PAPA17,8682.37–

54Potter County, PAPA15,8972.37–

55Luzerne County, PAPA332,1262.36–

56Cameron County, PAPA4,2112.35–

57Mercer County, PAPA107,8602.35–

58Schuylkill County, PAPA145,0852.34–

59Union County, PAPA42,3132.34–

60Tioga County, PAPA40,5022.34–

61Westmoreland County, PAPA349,3242.34–

62Cambria County, PAPA128,9682.33–

63Elk County, PAPA29,9262.33–

64Warren County, PAPA37,0382.33–

65Cumberland County, PAPA277,2702.31–

66Northumberland County, PAPA89,9202.31–

67Allegheny County, PAPA1,225,0352.27–

SHOWING 1–67 OF 67

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES