MadridSpain |
Grand RapidsUnited States |
3 041 579
(2013) |
3 041 579
(2013)
193 396
(2008) |
193 396
(2008) |
607 km2
|
607 km2
117 km2
|
117 km2
|
5 010.84
/km2 |
5 010.84/km2
1 652.96/km2
|
1 652.96
/km2 |