Killukottai is a village in Kulathur tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Killukottai was 2,198 which includes 1,105 males and 1,093 females. Killukottai covers 1002.05 ha area. Pincode of Killukottai is 622502.