Nedumudaiyan is a village in Tirukkoyilur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nedumudaiyan was 1,870 which includes 977 males and 893 females. Nedumudaiyan covers 176.64 ha area. Pincode of Nedumudaiyan is 605757.