Thiruthalaiyur is a village in Musiri tehsil in district of Tiruchirappalli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruthalaiyur was 3,903 which includes 1,871 males and 2,032 females. Thiruthalaiyur covers 1219.87 ha area. Pincode of Thiruthalaiyur is 621217.