Mudalur is a village in Sathankulam tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Mudalur was 5,417 which includes 2,582 males and 2,835 females. Mudalur covers 1339.37 ha area. Pincode of Mudalur is 628702.