Thiruindalur is a village in Mayiladuthurai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruindalur was 6,393 which includes 3,171 males and 3,222 females. Thiruindalur covers 612.71 ha area. Pincode of Thiruindalur is 609203.