Thathchur is a village in Tittakudi tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thathchur was 2,526 which includes 1,305 males and 1,221 females. Thathchur covers 960.47 ha area. Pincode of Thathchur is 606303.