Mahalgaon is a village in Vaijapur tehsil in district of Aurangabad, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahalgaon was 3,988 which includes 2,012 males and 1,976 females. Mahalgaon covers 1718 ha area. Pincode of Mahalgaon is N/A.