Population in Cologne compared to Castro Urdiales
Cologne: 1.024.621 (Zensus 2022)
Castro Urdiales: 33.450 (2025)
In Cologne there are about 30.6 time more people living, as in Castro Urdiales.
Size of Cologne compared to Castro Urdiales
Cologne: ca. 405 km²
Castro Urdiales: ca. 97 km²
Cologne Finland has a land area approximately. 4.2 times larger than that of Castro Urdiales.
Population density of Cologne compared to Castro Urdiales
Cologne: ca. 2.530 Einwohner/km²
Castro Urdiales: ca. 346 Einwohner/km²
The population density of Cologne is about7.3 times higher, than the one of Castro Urdiales.
City comparison between Cologne and other cities
more about Cologne (North Rhine-Westphalia, Germany)
more about Castro Urdiales (Cantabria, Spain)