As of 2001[update] India census, Piro had a population of 25,638. Males constitute 53% of the population and females 47%. Piro has an average literacy rate of 56%, lower than the national average of 59.5%: male literacy is 65%, and female literacy is 45%. In Piro, 18% of the population is under 6 years of age. Piro is a small but important city for local trade and business.Its nearest famous places are Agiaon Bazar,Baghaur,Mothi,Ranjiya,Baruli, Lahthan etc.