Therkku Sankarankovil is a village in Sankarankoil tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Therkku Sankarankovil was 6,437 which includes 3,217 males and 3,220 females. Therkku Sankarankovil covers 2917.18 ha area. Pincode of Therkku Sankarankovil is 627756.