Kovilthirumalam is a village in Nannilam tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kovilthirumalam was 2,745 which includes 1,375 males and 1,370 females. Kovilthirumalam covers 467.02 ha area. Pincode of Kovilthirumalam is 609503.