Ramajjanahalli is a village in Hosdurga tehsil in district of Chitradurga, Karnataka, India. As per the data provided by Census of India in 2011, total population of Ramajjanahalli was 1,798 which includes 933 males and 865 females. Ramajjanahalli covers 813.83 ha area. Pincode of Ramajjanahalli is 577527.