Achudamangalam 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 Achudamangalam was 2,886 which includes 1,424 males and 1,462 females. Achudamangalam covers 377.36 ha area. Pincode of Achudamangalam is 610105.