Thattatharai is a village in Krishnagiri tehsil in district of Krishnagiri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thattatharai was 3,642 which includes 1,884 males and 1,758 females. Thattatharai covers 646.64 ha area. Pincode of Thattatharai is 635121.