Arunachalapuram is a village in Aranthangi tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Arunachalapuram was 772 which includes 394 males and 378 females. Arunachalapuram covers 73.52 ha area. Pincode of Arunachalapuram is 614616.