Population of San Sebastian, Spain as of February 2025. How many people live in San Sebastian today?

Spain / San Sebastian

The exact population of San Sebastian as of February 2025 is estimated at 404,921 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 San Sebastian.

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Check out more data on population in Spain:

Toledo
Palencia
Lugo
Guadalajara
Marbella
Gandia
Benidorm

This population of San Sebastian is provided by the local bureau of statistics.
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