Vellathukottai is a village in Uthukkottai tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Vellathukottai was 2,660 which includes 1,337 males and 1,323 females. Vellathukottai covers 648.45 ha area. Pincode of Vellathukottai is 602023.