San Miguel de Horcasitas Municipality is a municipality in Sonora in north-western Mexico. The municipal area is 1,768.45 km2. and the population was 5,626 in 2000. Neighboring municipalities are: Rayón Municipality, in the northeast, Ures Municipality, in the east, Hermosillo Municipality, in the south, and Carbó Municipality, in the northwest. References Municipalities of Sonora