Thiriyalam is a village in Tirupathur tehsil in district of Vellore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiriyalam was 9,773 which includes 4,908 males and 4,865 females. Thiriyalam covers 1139.16 ha area. Pincode of Thiriyalam is 635851.