Kunnathur is a village in Arakonam tehsil in district of Vellore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kunnathur was 4,723 which includes 2,354 males and 2,369 females. Kunnathur covers 1153.59 ha area. Pincode of Kunnathur is 632510.