Population in Flensburg compared to Siero
Flensburg: 96.326 (2024)
Siero: 53.049 (2025)
In Flensburg there are about 1.8 time more people living, as in Siero.
Size of Flensburg compared to Siero
Flensburg: ca. 57 km²
Siero: ca. 211 km²
Flensburg has a land area approximately 73% smaller than Siero
Population density of Flensburg compared to Siero
Flensburg: ca. 1.598 Einwohner/km²
Siero: ca. 251 Einwohner/km²
The population density of Flensburg is about6.4 times higher, than the one of Siero.
City comparison between Flensburg and other cities
more about Flensburg
more about Siero