Semakottai is a village in Panruti tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Semakottai was 3,268 which includes 1,656 males and 1,612 females. Semakottai covers 308.93 ha area. Pincode of Semakottai is 607106.