Narayanpur Murhar is a village in Kako tehsil in district of Jehanabad, Bihar, India. As per the data provided by Census of India in 2011, total population of Narayanpur Murhar was 3,105 which includes 1,622 males and 1,483 females. Narayanpur Murhar covers 311 ha area. Pincode of Narayanpur Murhar is 804418.