Siddanahalli 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 Siddanahalli was 602 which includes 290 males and 312 females. Siddanahalli covers 117.33 ha area. Pincode of Siddanahalli is 562108.