Somathanahalli is a village in Devanahalli tehsil in district of Bangalore Rural, Karnataka, India. As per the data provided by Census of India in 2011, total population of Somathanahalli was 1,206 which includes 626 males and 580 females. Somathanahalli covers 459.05 ha area. Pincode of Somathanahalli is 562129.