Cologne and San Diego
Comparison by area and population

Cologne

Germany

San Diego

United States

Population

1 017 155
(2011)

1 017 155
(2011)

1 366 865
(2008)
1 366 865
(2008)

Area

405 km2

405 km2

963 km2
963 km2

Population density

2 511.49
/km2

2 511.49/km2

1 419.38/km2
1 419.38
/km2
Map
Share