Population in Casper compared to Siena
Casper: 59.038 (2020)
Siena: 52.991 (2025)
In Casper and Casper the population is almost equal.
Size of Casper compared to Siena
Casper: ca. 63 km²
Siena: ca. 119 km²
Casper has a land area approximately 47% smaller than Siena
Population density of Casper compared to Siena
Casper: ca. 952 Einwohner/km²
Siena: ca. 447 Einwohner/km²
The population density of Casper is about2.1 times higher, than the one of Siena.
City comparison between Casper and other cities
more about Casper
more about Siena