Alathiyur is a village in Sendurai tehsil in district of Ariyalur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Alathiyur was 3,606 which includes 1,819 males and 1,787 females. Alathiyur covers 1184.14 ha area. Pincode of Alathiyur is 621719.