San Luis Río Colorado Municipality
San Luis Río Colorado is a municipality in Sonora state, in northwestern Mexico.
The municipality is the location of the city of San Luis Rio Colorado, the community of El Golfo de Santa Clara, and the Bahia Adair biosphere preserve.
Geography
The municipality is in the Lower Colorado River Valley, with the Colorado River along its west, the U.S.-Mexico border along the north, and to the Colorado River Delta on the southwest, and the Gulf of California along the south.Adjacent jurisdictions
- Yuma County, Arizona — north
- Puerto Peñasco Municipality, Sonora — east
- Mexicali Municipality and Colorado River, Baja California — west
- Gulf of California — south
Populated places
| Name | 2010 Census Population |
| San Luis Río Colorado | 158,089 |
| Ingeniero Luis B. Sánchez | 5,560 |
| Golfo de Santa Clara | 3,967 |
| Islita | 1,825 |
| Nuevo Michoacán | 1,425 |
| Lagunitas | 1,019 |
| Total Municipality | 178,380 |
Former settlements
Former historical settlements sites within the current municipality, many along the Colorado River that served shipping by steamboats on the Colorado River, include:| Name | founded | abandoned | Notes |
| Colonia Lerdo | 1870s | 1900s | Agricultural settlement |
| Gridiron | 1854 | 1879 | Colorado River steamboat landing |
| Hualapai Smith's | 1860s | 1879 | Colorado River steamboat landing |
| Lerdo Landing | 1870s | 1900s | Colorado River landing for Colonia Lerdo |
| Ogden's Landing | 1854 | 1879 | Colorado River steamboat landing |
| Port Famine | 1854 | 1879 | Colorado River steamboat landing |
| Port Isabel | 1864 | 1879 | Colorado River steamboat landing and Pacific Ocean seaport |