Pidagam is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Pidagam was 10,961 which includes 5,302 males and 5,659 females. Pidagam covers 1087.1 ha area. Pincode of Pidagam is 607202.