RANKING · 2020 CENSUS · 67 SHOWN OF 67

Largest households, Pennsylvania counties · 2020

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, PAPA167,1792.78–

02Chester County, PAPA557,1162.63–

03Lancaster County, PAPA563,1592.61–

04Berks County, PAPA440,0722.60–

05Juniata County, PAPA23,4032.60–

06Delaware County, PAPA580,9372.59–

07Bucks County, PAPA647,8282.57–

08Snyder County, PAPA39,6552.57–

09Lehigh County, PAPA384,3832.56–

10Northampton County, PAPA324,4112.54–

11Lebanon County, PAPA146,3802.54–

12Montgomery County, PAPA877,6432.53–

13York County, PAPA473,1972.51–

14Wayne County, PAPA51,7032.50–

15Philadelphia County, PAPA1,574,2812.50–

16Adams County, PAPA107,5942.49–

17Potter County, PAPA15,8972.48–

18Franklin County, PAPA160,6522.48–

19Clinton County, PAPA37,8702.46–

20Perry County, PAPA46,8062.46–

21Pike County, PAPA62,8082.44–

22Tioga County, PAPA40,5022.44–

23Centre County, PAPA157,3932.42–

24Union County, PAPA42,3132.42–

25Wyoming County, PAPA25,7902.42–

26Fulton County, PAPA14,4832.40–

27Bedford County, PAPA47,4802.39–

28Bradford County, PAPA59,6002.39–

29Mifflin County, PAPA46,1272.39–

30Carbon County, PAPA65,8682.37–

31Washington County, PAPA210,8022.37–

32Dauphin County, PAPA293,3512.37–

33Susquehanna County, PAPA38,2372.37–

34Cumberland County, PAPA277,2702.36–

35Huntingdon County, PAPA43,0012.36–

36Clarion County, PAPA36,6802.35–

37Erie County, PAPA265,8322.35–

38Luzerne County, PAPA332,1262.35–

39Butler County, PAPA200,1692.34–

40Clearfield County, PAPA78,1002.33–

41Indiana County, PAPA82,8782.33–

42Somerset County, PAPA72,0042.33–

43Jefferson County, PAPA43,2552.33–

44Lycoming County, PAPA112,5872.33–

45Crawford County, PAPA81,7922.32–

46Montour County, PAPA17,8682.32–

47Blair County, PAPA119,5412.31–

48Columbia County, PAPA66,1932.31–

49Lackawanna County, PAPA216,5022.31–

50Armstrong County, PAPA63,6982.30–

51Schuylkill County, PAPA145,0852.30–

52Greene County, PAPA33,8852.27–

53Venango County, PAPA49,3462.27–

54Warren County, PAPA37,0382.27–

55Fayette County, PAPA123,0212.26–

56Beaver County, PAPA166,0322.25–

57Lawrence County, PAPA83,9112.25–

58McKean County, PAPA38,9842.24–

59Northumberland County, PAPA89,9202.24–

60Westmoreland County, PAPA349,3242.23–

61Mercer County, PAPA107,8602.21–

62Cambria County, PAPA128,9682.19–

63Allegheny County, PAPA1,225,0352.17–

64Elk County, PAPA29,9262.09–

65Sullivan County, PAPA5,8562.04–

66Cameron County, PAPA4,2111.90–

67Forest County, PAPA6,6141.84–

SHOWING 1–67 OF 67

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