Population in Koshigaya compared to Jämsä
Koshigaya: 345.353 (2021)
Jämsä: 19.020 (2025)
In Koshigaya there are about 18.2 time more people living, as in Jämsä.
Size of Koshigaya compared to Jämsä
Koshigaya: ca. 60 km²
Jämsä: ca. 1.824 km²
Koshigaya has a land area approximately 97% smaller than Jämsä
Population density of Koshigaya compared to Jämsä
Koshigaya: ca. 5.733 Einwohner/km²
Jämsä: ca. 12 Einwohner/km²
The population density of Koshigaya is about473.8 times higher, than the one of Jämsä.
City comparison between Koshigaya and other cities
more about Koshigaya (Kantō, Japan)
more about Jämsä (Central Finland, Finland)