The population of Perilla de Castro is 230.
Castro de Fuentidueña's population is 73.
Olula de Castro's population is 150.
The population of Olmillos de Castro is 378.
Castellanos de Castro's population is 63.
Plácido de Castro's population is 17,258.
The population of Piedrahita de Castro is 138.
Castro de Filabres's population is 163.
The population of La Puebla de Castro is 372.
San Cebrián de Castro's population is 337.
Ilena de Castro's birth name is Ilema de Castro.
The population of Monte Castro is 34,584.
Castro Urdiales's population is 32,258.