Formiche Alto is a municipality in the province of Teruel, in the Aragon region of Spain. It is a small, sparsely populated rural settlement typical of the Teruel area.
According to the 2004 census (INE), the municipality had a population of 191 inhabitants. By the 2010 census, the population stood at 190 inhabitants, indicating a roughly stable population over that period. Its postal code is 44440.