Keelamathur is a village in Sirkali tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Keelamathur was 1,570 which includes 760 males and 810 females. Keelamathur covers 384.78 ha area. Pincode of Keelamathur is 609116.