Hanuman Nagar is a village in Keotiranway tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Hanuman Nagar was 1,149 which includes 629 males and 520 females. Hanuman Nagar covers 107 ha area. Pincode of Hanuman Nagar is 847115.