Jehanabad is a city in Nagar Parishad and is the headquarters of Jehanabad district in the Indian state of Bihar. According to the Indian census of 2011, the Jehanabad had a population of 1,125,313 with Sex Ratio of 922. Jehanabad has a literacy rate of 77%, higher than the national average of 74.04%. Male literacy is 77.66% and female litera…Jehanabad is a city in Nagar Parishad and is the headquarters of Jehanabad district in the Indian state of Bihar. According to the Indian census of 2011, the Jehanabad had a population of 1,125,313 with Sex Ratio of 922. Jehanabad has a literacy rate of 77%, higher than the national average of 74.04%. Male literacy is 77.66% and female literacy is 71.2%. 18% percent of Jehanabad's population is under six years of age.