Amirthamangalam is a village in Gummidipoondi tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Amirthamangalam was 627 which includes 301 males and 326 females. Amirthamangalam covers 344.28 ha area. Pincode of Amirthamangalam is 601202.