Shanamangalam is a village in Manachanallur tehsil in district of Tiruchirappalli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Shanamangalam was 2,381 which includes 1,186 males and 1,195 females. Shanamangalam covers 1726.91 ha area. Pincode of Shanamangalam is 621104.