PhiladelphiaUnited States |
CopenhagenDenmark |
1 526 006
(2010) |
1 526 006
(2010)
1 246 611
(2014) |
1 246 611
(2014) |
367 km2
|
367 km2
88 km2
|
88 km2
|
4 158.05
/km2 |
4 158.05/km2
14 166.00/km2
|
14 166.00
/km2 |