Tennalapakkam 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 Tennalapakkam was 1,569 which includes 810 males and 759 females. Tennalapakkam covers 406.92 ha area. Pincode of Tennalapakkam is 604304.