Population in Cologne compared to Groningen
Cologne: 1.024.621 (Zensus 2022)
Groningen: 244.807 (2025)
In Cologne there are about 4.2 time more people living, as in Groningen.
Size of Cologne compared to Groningen
Cologne: ca. 405 km²
Groningen: ca. 198 km²
Cologne Finland has a land area approximately. 2 times larger than that of Groningen.
Population density of Cologne compared to Groningen
Cologne: ca. 2.530 Einwohner/km²
Groningen: ca. 1.237 Einwohner/km²
The population density of Cologne is about2 times higher, than the one of Groningen.
City comparison between Cologne and other cities
more about Cologne (North Rhine-Westphalia, Germany)
more about Groningen (Netherlands)