PhiladelphiaUnited States |
HartfordUnited States |
1 526 006
(2010) |
1 526 006
(2010)
125 017
(2013) |
125 017
(2013) |
367 km2
|
367 km2
46 km2
|
46 km2
|
4 158.05
/km2 |
4 158.05/km2
2 717.76/km2
|
2 717.76
/km2 |