| San Ignacio Río Muerto Municipality | |
| Pushpin Label Position: | above |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Sonora |
| Subdivision Type2: | Capital |
| Population As Of: | 2005 |
| Timezone: | Mountain Standard Time |
| Utc Offset: | -7 |
| Timezone Dst: | No DST |
| Utc Offset Dst: | -7 |
San Ignacio Río Muerto Municipality is a municipality in the Mexican state of Sonora in north-western Mexico.[1]
The municipal area is 1,144.00 km2 with a population of 13,692 registered in 2000. http://www.inegi.gob.mx/inegi/default.aspx 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 are:
Its western and southeastern boundaries are with the Gulf of California.
The municipality was created in 1996.