Agarathirumalam 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 Agarathirumalam was 5,270 which includes 2,648 males and 2,622 females. Agarathirumalam covers 476.82 ha area. Pincode of Agarathirumalam is 609503.