Thondanthulasi 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 Thondanthulasi was 1,820 which includes 884 males and 936 females. Thondanthulasi covers 337.36 ha area. Pincode of Thondanthulasi is 632202.