Perumalkoil is a village in Kuthalam tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Perumalkoil was 3,403 which includes 1,554 males and 1,849 females. Perumalkoil covers 209.47 ha area. Pincode of Perumalkoil is 609808.