As of 2001[update] India census, Manglaur had a population of 42,782. Males constitute 53% of the population and females 47%. Manglaur has an average literacy rate of 37%, lower than the national average of 59.5%: male literacy is 43%, and female literacy is 30%. In Manglaur, 19% of the population is under 6 years of age. Manglaur is famous for its basmati rice.