Mugaiyur 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 Mugaiyur was 4,772 which includes 2,375 males and 2,397 females. Mugaiyur covers 642 ha area. Pincode of Mugaiyur is 605755.