Kereyagalahalli is a village in Koratagere tehsil in district of Tumkur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Kereyagalahalli was 679 which includes 355 males and 324 females. Kereyagalahalli covers 275.25 ha area. Pincode of Kereyagalahalli is 572129.