Nagamarai is a village in Pennagaram tehsil in district of Dharmapuri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nagamarai was 11,329 which includes 6,141 males and 5,188 females. Nagamarai covers 3848.99 ha area. Pincode of Nagamarai is 636810.