Bettadamallenahalli is a village in Nagamangala tehsil in district of Mandya, Karnataka, India. As per the data provided by Census of India in 2011, total population of Bettadamallenahalli was 1,616 which includes 785 males and 831 females. Bettadamallenahalli covers 589.52 ha area. Pincode of Bettadamallenahalli is 571432.