In 1949 Manoel Francisco Leite bought lands in the region and in 1951 built the first "rancho" (hut). In 1952 he began to distribute lots to new settlers. The first name was Chapada Grande. In 1991 it was emancipated from the municipality of
Mara Rosa with the new name of Alto Horizonte, inspired by the beauty of the location and the new horizons for the inhabitants.
Demographics • The population growth rate 2000/2007 was 2.92%. In 2007 the urban population was 2,442 while the rural population was 694. ==The economy==