Thinnalur is a village in Maduranthakam tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thinnalur was 1,652 which includes 827 males and 825 females. Thinnalur covers 596.82 ha area. Pincode of Thinnalur is 603307.