Mattavalahalli is a village in Gauribidanur tehsil in district of Chikkaballapura, Karnataka, India. As per the data provided by Census of India in 2011, total population of Mattavalahalli was 390 which includes 176 males and 214 females. Mattavalahalli covers 270.06 ha area. Pincode of Mattavalahalli is 561228.