Kilamangalam is a village in Orathanadu tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kilamangalam was 2,718 which includes 1,239 males and 1,479 females. Kilamangalam covers 597.84 ha area. Pincode of Kilamangalam is 614615.