Melsiruvalur 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 Melsiruvalur was 6,231 which includes 3,163 males and 3,068 females. Melsiruvalur covers 535.75 ha area. Pincode of Melsiruvalur is 605702.