is a city and a municipal board
in Badaun district
in the state of Uttar Pradesh
Bilsi is located at . It has an average elevation of 180 metres
As of 2001
, Bilsi had a population of 23,564. Males constitute 53% of the population and females 47%. Bilsi has an average literacy rate of 45%, lower than the national average of 59.5%; with male literacy of 52% and female literacy of 37%. 18% of the population is under 6 years of age.