Thottamangalam is a village in Tiruvadanai tehsil in district of Ramanathapuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thottamangalam was 2,249 which includes 1,113 males and 1,136 females. Thottamangalam covers 1087.95 ha area. Pincode of Thottamangalam is 623538.