Population in Cagliari compared to Siena
Cagliari: 145.981 (2026)
Siena: 52.991 (2025)
In Cagliari there are about 2.8 time more people living, as in Siena.
Size of Cagliari compared to Siena
Cagliari: ca. 85 km²
Siena: ca. 119 km²
Cagliari has a land area approximately 28% smaller than Siena
Population density of Cagliari compared to Siena
Cagliari: ca. 1.717 Einwohner/km²
Siena: ca. 447 Einwohner/km²
The population density of Cagliari is about3.8 times higher, than the one of Siena.
City comparison between Cagliari and other cities
more about Cagliari (Sardinia, Italy)
more about Siena (Tuscany, Italy)