Tholuthur is a village in Thirukkuvalai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Tholuthur was 1,800 which includes 907 males and 893 females. Tholuthur covers 425.55 ha area. Pincode of Tholuthur is 610211.