Therku Valliyoor is a village in Radhapuram tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Therku Valliyoor was 9,114 which includes 4,566 males and 4,548 females. Therku Valliyoor covers 2603.5 ha area. Pincode of Therku Valliyoor is 627117.