Population of Děčín, Czechia as of January 2026. How many people live in Děčín today?

The exact population of Děčín as of January 2026 is estimated at 46,799 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 Děčín.

Check out more data on population in Czechia:

• Třinec
• Přerov
• Prostějov
• Jablonec nad Nisou
• Mladá Boleslav
• Chomutov
• Karlovy Vary