Population in Cologne compared to London
Cologne: 1.024.621 (Zensus 2022)
London: 9.841.000 (2025)
In Cologne the population is about 10% of the population of London.
Size of Cologne compared to London
Cologne: ca. 405 km²
London: ca. 1.572 km²
Cologne has a land area approximately 74% smaller than London
Population density of Cologne compared to London
Cologne: ca. 2.530 Einwohner/km²
London: ca. 5.690 Einwohner/km²
The population density of Cologne is about 44% of that of London.
City comparison between Cologne and other cities
more about Cologne (North Rhine-Westphalia, Germany)
more about London (England, United Kingdom)