Sondemargonahalli is a village in Turuvekere tehsil in district of Tumkur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Sondemargonahalli was 247 which includes 127 males and 120 females. Sondemargonahalli covers 388.32 ha area. Pincode of Sondemargonahalli is 572221.