Muddaiahnahundi is a village in Heggadadevankote tehsil in district of Mysore, Karnataka, India. As per the data provided by Census of India in 2011, total population of Muddaiahnahundi was 118 which includes 57 males and 61 females. Muddaiahnahundi covers 28.37 ha area. Pincode of Muddaiahnahundi is 570026.