Perumathunallur is a village in Chengalpattu tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Perumathunallur was 2,292 which includes 1,159 males and 1,133 females. Perumathunallur covers 342.79 ha area. Pincode of Perumathunallur is 603202.