Kaduvanur is a village in Sankarapuram tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kaduvanur was 4,826 which includes 2,434 males and 2,392 females. Kaduvanur covers 765.78 ha area. Pincode of Kaduvanur is 605801.