Most Dense in Pennsylvania

Top 100 cities ranked by most dense

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All Countries · United States · Pennsylvania

Most Dense — Pennsylvania

1 Darby 12,695/mi²

2 Philadelphia 11,780/mi²

3 Clifton Heights 10,827/mi²

4 Dormont 10,684/mi²

5 Prospect Park 10,495/mi²

6 West Chester 10,397/mi²

7 Collingdale 10,186/mi²

8 Norristown 10,165/mi²

9 Franklin 10,043/mi²

10 Reading 9,638/mi²

11 West York 9,587/mi²

12 Drexel Hill 9,380/mi²

13 Lansdowne 9,376/mi²

14 Conshohocken 9,235/mi²

15 State College 8,880/mi²

16 Mount Carmel 8,629/mi²

17 York 8,474/mi²

18 Shamokin 8,301/mi²

19 Bellevue 8,105/mi²

20 Indiana 8,051/mi²

21 Ambler 8,026/mi²

22 Lancaster 7,978/mi²

23 Sharon Hill 7,764/mi²

24 Media 7,721/mi²

25 Bridgeport 7,705/mi²

26 Roslyn 7,689/mi²

27 Norwood 7,583/mi²

28 Yeadon 7,557/mi²

29 Coatesville 7,361/mi²

30 Glenolden 7,354/mi²

31 Ardmore 7,190/mi²

32 Allentown 7,137/mi²

33 Wilson 7,066/mi²

34 Swissvale 7,024/mi²

35 Chester 6,876/mi²

36 Brentwood 6,846/mi²

37 Easton 6,826/mi²

38 Ridley Park 6,708/mi²

39 Folsom 6,638/mi²

40 West View 6,517/mi²

41 Wilkes-Barre 6,455/mi²

42 Souderton 6,442/mi²

43 Lebanon 6,379/mi²

44 Lansdale 6,309/mi²

45 Wilkinsburg 6,296/mi²

46 Glenside 6,253/mi²

47 Kingston 6,201/mi²

48 Harrisburg 6,169/mi²

49 Woodlyn 6,153/mi²

50 Bryn Mawr 6,018/mi²

51 Penn Wynne 5,868/mi²

52 Bristol 5,808/mi²

53 Hatboro 5,788/mi²

54 Kennett Square 5,697/mi²

55 Rutherford 5,631/mi²

56 McKees Rocks 5,497/mi²

57 Pittsburgh 5,483/mi²

58 Willow Grove 5,480/mi²

59 Shillington 5,462/mi²

60 New Brighton 5,437/mi²

61 Phoenixville 5,431/mi²

62 Lewisburg 5,409/mi²

63 Folcroft 5,398/mi²

64 Plymouth 5,384/mi²

65 Pennside 5,352/mi²

66 Crafton 5,259/mi²

67 Turtle Creek 5,202/mi²

68 Castle Shannon 5,148/mi²

69 Catasauqua 5,032/mi²

70 Hazleton 5,006/mi²

71 Pittston 4,979/mi²

72 Red Lion 4,957/mi²

73 Carnegie 4,948/mi²

74 Levittown 4,945/mi²

75 Erie 4,922/mi²

76 Butler 4,892/mi²

77 Brookhaven 4,847/mi²

78 Pottstown 4,823/mi²

79 Sunbury 4,798/mi²

80 Uniontown 4,790/mi²

81 Gettysburg 4,777/mi²

82 Whitfield 4,773/mi²

83 Hellertown 4,671/mi²

84 Swarthmore 4,660/mi²

85 Munhall 4,643/mi²

86 Ambridge 4,639/mi²

87 Fairless Hills 4,631/mi²

88 Village Green-Green Ridge 4,568/mi²

89 Washington 4,560/mi²

90 Fullerton 4,558/mi²

91 Quakertown 4,558/mi²

92 Millersville 4,513/mi²

93 New Cumberland 4,483/mi²

94 Elizabethtown 4,474/mi²

95 Whitehall 4,463/mi²

96 Hanover 4,455/mi²

97 Altoona 4,444/mi²

98 Merion Station 4,358/mi²

99 Oakmont 4,248/mi²

100 Columbia 4,239/mi²

The most densely populated cities in Pennsylvania pack the most residents per square mile, creating vibrant urban environments with walkable neighborhoods and extensive public transit. Darby leads with 12,695 people per square mile.

High population density is often associated with better access to public transportation, more walkable streets, and a wider variety of restaurants, shops, and entertainment options within close proximity. These cities tend to have lower car ownership rates and shorter commute distances.

Dense cities face unique challenges including higher housing costs, limited parking, and potential overcrowding in public spaces. However, they also tend to have lower per-capita carbon footprints due to shared infrastructure and reduced driving.

Did You Know?

1. Darby has 12,695 people per square mile — that's roughly 20 people per acre.
2. Dense cities tend to have the most walkable neighborhoods and lowest car ownership rates in the country.
3. Urban density can reduce per-capita carbon emissions by up to 50% compared to suburban sprawl.

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