Neelamangalam is a village in Kallakkurichi tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Neelamangalam was 5,185 which includes 2,782 males and 2,403 females. Neelamangalam covers 523.21 ha area. Pincode of Neelamangalam is 606202.