Kulathur is a village in Tiruvadanai tehsil in district of Ramanathapuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kulathur was 2,033 which includes 1,032 males and 1,001 females. Kulathur covers 858.32 ha area. Pincode of Kulathur is 623407.