Musiri is a panchayat town in Tiruchirappalli district in the Indian state of Tamil Nadu.

 Musiri is located at 10.93° N 78.45° E[1]. It has an average elevation of 82 metres (269 feet).

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 As of 2001 India censusGRIndia, Musiri had a population of 27,886. Males constitute 50% of the population and females 50%. Musiri has an average literacy rate of 75%, higher than the national average of 59.5%: male literacy is 80%, and female literacy is 69%. In Musiri, 11% of the population is under 6 years of age.