Mahadevamangalam is a village in Gangadhara Nellore tehsil in district of Chittoor, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahadevamangalam was 1,816 which includes 930 males and 886 females. Mahadevamangalam covers 476 ha area. Pincode of Mahadevamangalam is 517125.