Thiruvelangudi is a village in Karaikkudi tehsil in district of Sivaganga, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvelangudi was 1,681 which includes 830 males and 851 females. Thiruvelangudi covers 1474.84 ha area. Pincode of Thiruvelangudi is 630208.