Population in Castrillón compared to Skien
Castrillón: 21.998 (2025)
Skien: 50.142 (2022)
In Castrillón the population is about 44% of the population of Skien.
Size of Castrillón compared to Skien
Castrillón: ca. 55 km²
Skien: ca. 26 km²
Castrillón Finland has a land area approximately. 2.1 times larger than that of Skien.
Population density of Castrillón compared to Skien
Castrillón: ca. 397 Einwohner/km²
Skien: ca. 1.882 Einwohner/km²
The population density of Castrillón is about 21% of that of Skien.
City comparison between Castrillón and other cities
more about Castrillón (Asturias, Spain)
more about Skien (Telemark, Norway)