Guddadahallii is a village in Gubbi tehsil in district of Tumkur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Guddadahallii was 781 which includes 400 males and 381 females. Guddadahallii covers 227.24 ha area. Pincode of Guddadahallii is 572117.