There are a number of temples in Karukachal. Nethalloor Devi Temple in Kottayam Road, Sree Mahadeva Temple, Vettikavumkal Junction and Ayyappa Temple in Central Junction are the main temples in Karukachal.

St. George's Malankara Catholic Church, St. Joseph's church Champakara, St. Mary's Church Koothrappally, Jerusalem Marthoma Church, St. Thomas Marthoma Church in Kottayam Road are the main churches. There is a mosque on Changanacherry road in the center of Karukachal Town.