Alcázar de San Juan Population 2026

Alcázar de San Juan has a population of 30,686, making it the #244 biggest city in 🇪🇸 Spain, located in Castille-La Mancha. Roughly 0.1% of Spain's population lives here. It is about 106× smaller than Madrid, the country's biggest city.

MadridAlcázar de San Juan
Location of Alcázar de San Juan (capital Madrid shown for reference). Boundaries: Natural Earth.
Population (city proper)
30,686
Rank in Spain
#244
Coordinates
39.39°N, 3.21°W
~644 m elevation · Europe/Madrid
Distance to capital (Madrid)
122 km
76 miles, straight line

Other big cities in Castille-La Mancha

CityPopulationRank in Spain
Albacete173,050#38
Guadalajara93,470#71
Talavera de la Reina88,856#73
Toledo86,526#76
Ciudad Real74,743#96
Cuenca54,898#137
Puertollano51,842#144
Tomelloso36,091#201

Cities near Alcázar de San Juan

FAQ

What is the population of Alcázar de San Juan?
Alcázar de San Juan has a population of 30,686 (city proper, latest official figure via GeoNames), making it the #244 biggest city in Spain.
What region is Alcázar de San Juan in?
Alcázar de San Juan is located in Castille-La Mancha, Spain.
Is Alcázar de San Juan the capital of Spain?
No, the capital of Spain is Madrid, about 122 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.

← All biggest cities in Spain · Spain population by year