Karasanur is a village in Vanur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Karasanur was 2,862 which includes 1,458 males and 1,404 females. Karasanur covers 468.84 ha area. Pincode of Karasanur is 605109.