Narasingampettai 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 Narasingampettai was 5,342 which includes 2,655 males and 2,687 females. Narasingampettai covers 375.75 ha area. Pincode of Narasingampettai is 609802.