Nemalur is a village in Gummidipoondi tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nemalur was 4,251 which includes 2,086 males and 2,165 females. Nemalur covers 732.61 ha area. Pincode of Nemalur is 601202.