Population in Koshigaya compared to Siero
Koshigaya: 345.353 (2021)
Siero: 53.049 (2025)
In Koshigaya there are about 6.5 time more people living, as in Siero.
Size of Koshigaya compared to Siero
Koshigaya: ca. 60 km²
Siero: ca. 211 km²
Koshigaya has a land area approximately 71% smaller than Siero
Population density of Koshigaya compared to Siero
Koshigaya: ca. 5.733 Einwohner/km²
Siero: ca. 251 Einwohner/km²
The population density of Koshigaya is about22.8 times higher, than the one of Siero.
City comparison between Koshigaya and other cities
more about Koshigaya (Kantō, Japan)
more about Siero (Asturias, Spain)