Nidur is a village in Mayiladuthurai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nidur was 5,488 which includes 2,588 males and 2,900 females. Nidur covers 332.83 ha area. Pincode of Nidur is 609703.