Kothamangalam is a village in Sathyamangalam tehsil in district of Erode, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kothamangalam was 2,515 which includes 1,266 males and 1,249 females. Kothamangalam covers 361.39 ha area. Pincode of Kothamangalam is 638451.