Maruvanahalli 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 Maruvanahalli was 686 which includes 342 males and 344 females. Maruvanahalli covers 100.18 ha area. Pincode of Maruvanahalli is 571426.