Achalpuram is a village in Sirkali tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Achalpuram was 4,630 which includes 2,262 males and 2,368 females. Achalpuram covers 554.79 ha area. Pincode of Achalpuram is 609101.