Population of Celje, Slovenia as of September 2025. How many people live in Celje today?

The exact population of Celje as of September 2025 is estimated at 37,727 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 Celje.

Check out more data on population in Slovenia:

• Vrhnika
• Postojna
• Logatec
• Murska Sobota
• Izola
• Škofja Loka
• Nova Gorica