Kadalangudi is a village in Mayiladuthurai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kadalangudi was 4,838 which includes 2,381 males and 2,457 females. Kadalangudi covers 460.8 ha area. Pincode of Kadalangudi is 609204.