Thiruvelangadu is a village in Tiruttani tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvelangadu was 6,304 which includes 3,175 males and 3,129 females. Thiruvelangadu covers 547.95 ha area. Pincode of Thiruvelangadu is 631210.