MadridSpain |
RichmondUnited States |
3 041 579
(2013) |
3 041 579
(2013)
208 833
(2012) |
208 833
(2012) |
607 km2
|
607 km2
162 km2
|
162 km2
|
5 010.84
/km2 |
5 010.84/km2
1 289.09/km2
|
1 289.09
/km2 |