India census, Lilong (Thoubal) had a population of 20,267. Males constitute 50% of the population and females 50%. Lilong (Thoubal) has an average literacy rate of 58%, lower than the national average of 59.5%: male literacy is 69%, and female literacy is 47%. In Lilong (Thoubal), 22% of the population is under 6 years of age. The majority of the population is Muslim.
Lilong has been popular for major vegetables production like mastard , cauliflower , potato ,etc. Rice is the main cultivating plant in the field. As other part of Manipur , Monsoon plays a main role in cultivation.