Population of Duisburg in 2025 was 502 270, making it the 5th largest city in North Rhine-Wetphalia and the 15th largest city in Germany. Located on the river Rhine, Duisburg is the largest inland port in the world. Until around 2015, the population in Duisburg was shrinking, but since then stabilized.
Population in boroughs of Duisburg
Duisburg is subdivided into 7 boroughs (Stadtbezirke), each having 40 000-110 000 inhabitants). The most populous borough is Duisburg-Mitte. The figures shown in the map below are as of 2020, and are according to estimates. Thus the combined population of all boroughs might be different than the official figure of the whole city of Duisburg.
Duisburg metropolitan area
Duisburg is part of the larger Rhine-Ruhr metropolitan region that has over 11 million inhabitants and is the most populous metropolitan region in Germany.