Population of Lahti, Finland as of October 2025. How many people live in Lahti today?

Finland / Lahti

The exact population of Lahti as of October 2025 is estimated at 120,809 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 Lahti.

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Check out more data on population in Finland:

Varkaus
Kemi
Kurikka
Valkeakoski
Iisalmi
Tornio
Raisio

This population of Lahti is provided by the local bureau of statistics.
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