Sethuvandai is a village in Katpadi tehsil in district of Vellore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sethuvandai was 3,678 which includes 1,797 males and 1,881 females. Sethuvandai covers 418.04 ha area. Pincode of Sethuvandai is 635803.