Devaramadahalli is a village in Nagamangala tehsil in district of Mandya, Karnataka, India. As per the data provided by Census of India in 2011, total population of Devaramadahalli was 599 which includes 289 males and 310 females. Devaramadahalli covers 388.36 ha area. Pincode of Devaramadahalli is 571445.