Thiruvalliangudi is a village in Thiruvidaimarudur tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvalliangudi was 1,299 which includes 631 males and 668 females. Thiruvalliangudi covers 215.62 ha area. Pincode of Thiruvalliangudi is 612102.