Kazi Hirdenagar is a village in Banmankhi tehsil in district of Purnia, Bihar, India. As per the data provided by Census of India in 2011, total population of Kazi Hirdenagar was 9,207 which includes 4,932 males and 4,275 females. Kazi Hirdenagar covers 1412 ha area. Pincode of Kazi Hirdenagar is N/A.