Population in Jena compared to Brno
Jena: 109.725 (2024)
Brno: 402.739 (2025)
In Jena the population is about 27% of the population of Brno.
Size of Jena compared to Brno
Jena: ca. 115 km²
Brno: ca. 230 km²
Jena has a land area approximately 50% smaller than Brno
Population density of Jena compared to Brno
Jena: ca. 956 Einwohner/km²
Brno: ca. 1.784 Einwohner/km²
The population density of Jena is about 54% of that of Brno.
City comparison between Jena and other cities
more about Jena
more about Brno