Nagarajahosahalli is a village in Chintamani tehsil in district of Chikkaballapura, Karnataka, India. As per the data provided by Census of India in 2011, total population of Nagarajahosahalli was 486 which includes 237 males and 249 females. Nagarajahosahalli covers 308.5 ha area. Pincode of Nagarajahosahalli is 563123.