Thatchamozhi is a village in Sathankulam tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thatchamozhi was 1,025 which includes 464 males and 561 females. Thatchamozhi covers 579.77 ha area. Pincode of Thatchamozhi is 628704.