Calasiao — City Facts & Population

Calasiao, a city in Philippines's Ilocos region, stands as one of the notable urban settlements in this part of the world. 100,686 people call Calasiao home, making it a notable settlement in the region.

At 16.01°N, 120.36°E, Calasiao occupies a position in the Northern Eastern Hemisphere. Residents and businesses align their schedules to the Asia/Manila timezone. Located close to the equatorial belt, the city benefits from consistent daylight hours throughout the year and a warm tropical or subtropical climate.

Calasiao contributes to the broader fabric of Philippines through its economic activities, cultural institutions, and social life. Urban infrastructure including transport links, schools, hospitals, and commercial districts serves the needs of its 100,686-strong population. The city's position within the Ilocos region of Philippines connects it to a wider network of towns and urban centres that together shape regional development and prosperity.

The primary postal code associated with Calasiao is 2418, used for mail delivery and administrative purposes across the city centre. Visitors and new residents alike will find that Calasiao offers the services and amenities expected of a city in Philippines.

Together with its neighbouring cities and towns, Calasiao forms part of the rich tapestry of urban life in Philippines. Its contribution to regional culture, economy, and social life makes it a worthwhile destination for curious travellers and researchers alike.