Kilsithamur is a village in Tindivanam tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kilsithamur was 1,669 which includes 832 males and 837 females. Kilsithamur covers 609.14 ha area. Pincode of Kilsithamur is 604102.