Population of Boulogne-Billancourt, France as of October 2025. How many people live in Boulogne-Billancourt today?

The exact population of Boulogne-Billancourt as of October 2025 is estimated at 116,794 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Boulogne-Billancourt.

Check out more data on population in France:

• Laval
• Grasse
• Sartrouville
• Annecy
• Clamart
• Arles
• Saint-Louis