San Ignacio Río Muerto Municipality is a municipality in Sonora in north-western Mexico. Area and Population The municipal area is 1,144.00 km2 with a population of 13,692 registered in 2000. The population of the municipal seat was 6,937 in 2000. It is located at an elevation that varies between 0 and 50 meters. Neighboring Municipalities Neighboring municipalities are: Guaymas—north Bácum—north and east Its western and southeastern boundaries are with the Gulf of California. History The municipality was created in 1996. References Municipalities of Sonora