Population in San Francisco compared to Castro Urdiales
San Francisco: 808.988 (2023)
Castro Urdiales: 33.450 (2025)
In San Francisco there are about 24.2 time more people living, as in Castro Urdiales.
Size of San Francisco compared to Castro Urdiales
San Francisco: ca. 601 km²
Castro Urdiales: ca. 97 km²
San Francisco Finland has a land area approximately. 6.2 times larger than that of Castro Urdiales.
Population density of San Francisco compared to Castro Urdiales
San Francisco: ca. 6.686 Einwohner/km²
Castro Urdiales: ca. 346 Einwohner/km²
The population density of San Francisco is about19.3 times higher, than the one of Castro Urdiales.
City comparison between San Francisco and other cities
more about San Francisco (California, USA)
more about Castro Urdiales (Cantabria, Spain)