Mirzaganj is a village in Islamnagar Aliganj tehsil in district of Jamui, Bihar, India. As per the data provided by Census of India in 2011, total population of Mirzaganj was 3,638 which includes 1,872 males and 1,766 females. Mirzaganj covers 47 ha area. Pincode of Mirzaganj is 811301.