Devamangalam is a village in Udayarpalayam tehsil in district of Ariyalur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Devamangalam was 3,600 which includes 1,800 males and 1,800 females. Devamangalam covers 981.17 ha area. Pincode of Devamangalam is 612901.