Almoloya is one of the 84 municipalities of Hidalgo, in central-eastern Mexico. The municipal seat lies at Almoloya. The municipality covers an area of 282.7 km².
As of 2005, the municipality had a total population of 10,638.
During the colonial period Almoloya was part of the corregimento of Apa y Tepeapulco. The church of Concepcion Almoloya was established by 1697.