Castelló de la Plana Population 2026
Castelló de la Plana has a population of 171,857, making it the #40 biggest city in 🇪🇸 Spain, located in Valencia. Roughly 0.4% of Spain's population lives here. It is about 19× smaller than Madrid, the country's biggest city.
Population (city proper)
171,857
Rank in Spain
#40
Coordinates
39.99°N, 0.05°W
~30 m elevation · Europe/Madrid
Distance to capital (Madrid)
314 km
195 miles, straight line
Other big cities in Valencia
Cities near Castelló de la Plana
FAQ
What is the population of Castelló de la Plana?
Castelló de la Plana has a population of 171,857 (city proper, latest official figure via GeoNames), making it the #40 biggest city in Spain.
What region is Castelló de la Plana in?
Castelló de la Plana is located in Valencia, Spain.
Is Castelló de la Plana the capital of Spain?
No, the capital of Spain is Madrid, about 314 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.