RotterdamNetherlands |
HoustonUnited States |
617 347
(2012) |
617 347
(2012)
2 100 263
(2010) |
2 100 263
(2010) |
319 km2
|
319 km2
965 km2
|
965 km2
|
1 935.26
/km2 |
1 935.26/km2
2 176.44/km2
|
2 176.44
/km2 |