Monteagudo del Castillo is a municipality in the province of Teruel, in the autonomous community of Aragon, Spain. It is a small rural settlement located within the Teruel region of eastern Spain.
The municipality is sparsely populated. According to the 2004 census carried out by the Instituto Nacional de Estadística (INE), Monteagudo del Castillo had a population of 68 inhabitants. This figure reflects the pattern of low population density typical of many municipalities in the Teruel province.
As a municipality, Monteagudo del Castillo holds the administrative status of a local entity within the Spanish system of government, falling under the province of Teruel and the wider framework of Aragon.