ShijiazhuangChina |
PhiladelphiaUnited States |
9 600 000
(2008) |
9 600 000
(2008)
1 526 006
(2010) |
1 526 006
(2010) |
15 848 km2
|
15 848 km2
367 km2
|
367 km2
|
605.75
/km2 |
605.75/km2
4 158.05/km2
|
4 158.05
/km2 |