Mahadeshwarabetta is a village in Kollegal tehsil in district of Chamarajanagar, Karnataka, India. As per the data provided by Census of India in 2011, total population of Mahadeshwarabetta was 12,645 which includes 6,488 males and 6,157 females. Mahadeshwarabetta covers 1755.67 ha area. Pincode of Mahadeshwarabetta is 571490.