Water tower in Monteagle, Tennessee, United States, viewed from the greenway adjacent to US-41. – Brian Stansberry, CC BY-SA 4.0 – Wikimedia Commons Monteagle is located in Tennessee. About 1,393 people live here (as of 2020). Between 2010 and 2020, the population grew from 1,192 to 1,393. The region is at 586 meters above sea level. The area covers about 22.6 square kilometers. There are about 226 streets in Monteagle. The postal codes are 37356. Monteagle is town in Franklin County, Tennessee, United States. Among other things, Monteagle has restaurants, supermarkets and banks. More information at www.townofmonteagle-tn.gov.