Population in Erlangen compared to Siena
Erlangen: 115.928 (2024)
Siena: 52.991 (2025)
In Erlangen there are about 2.2 time more people living, as in Siena.
Size of Erlangen compared to Siena
Erlangen: ca. 77 km²
Siena: ca. 119 km²
Erlangen has a land area approximately 35% smaller than Siena
Population density of Erlangen compared to Siena
Erlangen: ca. 1.506 Einwohner/km²
Siena: ca. 447 Einwohner/km²
The population density of Erlangen is about3.4 times higher, than the one of Siena.
City comparison between Erlangen and other cities
more about Erlangen
more about Siena