HohhotChina |
PhiladelphiaUnited States |
2 635 000
(2007) |
2 635 000
(2007)
1 526 006
(2010) |
1 526 006
(2010) |
17 271 km2
|
17 271 km2
367 km2
|
367 km2
|
152.57
/km2 |
152.57/km2
4 158.05/km2
|
4 158.05
/km2 |