Lalganj is located at . It has an average elevation of 42 metres (137 feet).The one of the famous temple in the city is 'Surya Mandir' which is located in the mid of the city.
India census, Lalganj had a population of 29,847. Males constitute 52% of the population and females 48%. Lalganj has an average literacy rate of 51%, lower than the national average of 59.5%: male literacy is 60%, and female literacy is 42%. In Lalganj, 18% of the population is under 6 years of age.arun kumar singh