Kulasekaramangalam 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 Kulasekaramangalam was 6,212 which includes 3,149 males and 3,063 females. Kulasekaramangalam covers 1531.09 ha area. Pincode of Kulasekaramangalam is 627857.