Uddinamallanahosur is a village in Krishnarajpet tehsil in district of Mandya, Karnataka, India. As per the data provided by Census of India in 2011, total population of Uddinamallanahosur was 520 which includes 251 males and 269 females. Uddinamallanahosur covers 323.62 ha area. Pincode of Uddinamallanahosur is 571423.