Gopalasamuthiram 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 Gopalasamuthiram was 7,427 which includes 3,672 males and 3,755 females. Gopalasamuthiram covers 737.79 ha area. Pincode of Gopalasamuthiram is 609102.