Idumbankulam is a village in Paramathi Velur tehsil in district of Namakkal, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Idumbankulam was 1,182 which includes 599 males and 583 females. Idumbankulam covers 702.81 ha area. Pincode of Idumbankulam is 638182.