Kilaarumbur is a village in Tiruvadanai tehsil in district of Ramanathapuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kilaarumbur was 1,749 which includes 889 males and 860 females. Kilaarumbur covers 874.07 ha area. Pincode of Kilaarumbur is 623407.