Therkkunanallur is a village in Mannargudi tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Therkkunanallur was 1,827 which includes 913 males and 914 females. Therkkunanallur covers 445.82 ha area. Pincode of Therkkunanallur is 614710.