Ulaiyur is a village in Mudukulathur tehsil in district of Ramanathapuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ulaiyur was 2,397 which includes 1,207 males and 1,190 females. Ulaiyur covers 1258.06 ha area. Pincode of Ulaiyur is 673712.