Many important places of worship are located in the town. These include Uthraalikkaavu temple, Machad thiruvaanikkavu, Akamala Sastha temple and Maari Amman Kovil, St. Francis Xaviers Forane Church, St. George Malankara Orthodox Syrian Church,India Pentecostal Church of God,Assemblies of God Church, Ottupara Town Masjid, and Juma Masjid.

The Dhanwanthari Temple at Nelluvay near Erumapetty (on Wadakkanchery–Kunnamkulam Road, approximately 8 km from Wadakkanchery) is another place of religious interest.

The Siva temple at this place is considered an archaeological monument by the Archaeological Survey of India. The Pallimanna Siva Temple at Kumblangad at a distance of 3 km from Wadakanchery is another archaeological monument by the Archaeological Survey of India, famous for the wall paintings in the temple.

The St. Jude Thaddeus Church is located at Kumbalangadu, 3 km away from Wadakkanchery. The carmalamatha church is another famous church nearby, located at Kundannur, 5 km away from Wadakkanchery.

Hindus comprise the majority population in Wadakkanchery. Syrian Christians, with roots in Kunnamkulam side, belonging to both Catholic and Orthodox factions are also present in sizeable numbers. But towards the northern sides of Wadakkanchery from Cheruthuruthi onwards demographic changes are drastic, with increasing Muslim settlement similar to the adjacent Muslim dominated South Malabar.