Devarahosahalli is a village in Channapatna tehsil in district of Ramanagara, Karnataka, India. As per the data provided by Census of India in 2011, total population of Devarahosahalli was 1,436 which includes 714 males and 722 females. Devarahosahalli covers 425.17 ha area. Pincode of Devarahosahalli is 562160.