Population in Frederick compared to Siena
Frederick: 78.171 (2020)
Siena: 52.991 (2025)
In Frederick there are about 1.5 time more people living, as in Siena.
Size of Frederick compared to Siena
Frederick: ca. 64 km²
Siena: ca. 119 km²
Frederick has a land area approximately 46% smaller than Siena
Population density of Frederick compared to Siena
Frederick: ca. 1.260 Einwohner/km²
Siena: ca. 447 Einwohner/km²
The population density of Frederick is about2.8 times higher, than the one of Siena.
City comparison between Frederick and other cities
more about Frederick (Maryland, USA)
more about Siena (Tuscany, Italy)