Kalasamudram is a village in Kallakkurichi tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kalasamudram was 1,675 which includes 832 males and 843 females. Kalasamudram covers 406.36 ha area. Pincode of Kalasamudram is 606301.