Huautla is a town and one of the 84 municipalities of Hidalgo, in central-eastern Mexico. The municipality covers an area of 287.8 km². As of …Huautla is a town and one of the 84 municipalities of Hidalgo, in central-eastern Mexico. The municipality covers an area of 287.8 km². As of 2005, the municipality had a total population of 22,521.