As of 2001[update] India census, Ramnagar had a population of 38,549. Males constitute 53% of the population and females 47%. Ramnagar has an average literacy rate of 48%, lower than the national average of 59.5%: male literacy is 57%, and female literacy is 38%. In Ramnagar, 19% of the population is under 6 years of age. Neha Pathak, an illuminary in legal field used to live in Ramangar.powerful families of ramnagar is ramnagar raj of king dhananjay vikram saha,lal kothi of chandra mohan roy,pili kothi of visva mohan sharma,navgava family of rajesh kishore dwivedi,dumaria family of ajay sahi these families having hundreds of acree land.these families involves in politics and other business.chandra mohan roy is the health minister of bihar,visva mohan sharma was minister in lalu government,ajay sahi is the very powerful zamindar and advocate,rajesh kishore dwivedi is the bar association secretary and wine mafia of ramnagar.