Alamarathupatti is a village in Mettur tehsil in district of Salem, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Alamarathupatti was 9,384 which includes 4,800 males and 4,584 females. Alamarathupatti covers 3456.2 ha area. Pincode of Alamarathupatti is 636303.