Ponjai Idaiyar Keelmugam 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 Ponjai Idaiyar Keelmugam was 4,028 which includes 1,982 males and 2,046 females. Ponjai Idaiyar Keelmugam covers 1004.86 ha area. Pincode of Ponjai Idaiyar Keelmugam is 638182.