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© 2026 STATLAS. Data under CC BY 4.0 from World Bank, GeoNames, Open-Meteo & others.

Indices labeled “modeled” are computed estimates — see methodology.

CitiesCastro-UrdialesPopulation

Population in Castro-Urdiales

Spain · Castro-Urdiales profile

Population

31,977

people

World rank

#18206

of 33750

Percentile

46%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Castro-Urdiales profile

FAQ

Frequently asked

What is the population in Castro-Urdiales?

Castro-Urdiales has a population of 31,977 people. Total resident population.

How does Castro-Urdiales rank for population?

Castro-Urdiales ranks #18206 of 33750 cities for population (higher is better).