Kilmavilangai 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 Kilmavilangai was 1,000 which includes 500 males and 500 females. Kilmavilangai covers 247 ha area. Pincode of Kilmavilangai is 604207.