# San Luis Río Colorado Municipality

San Luis Río Colorado is a municipality in the state of Sonora in northwestern Mexico, being the northwesternmost municipality in Sonora and covering an area of 8412.75 km$^2$.
The municipality is the location of the city of San Luis Rio Colorado (its municipal seat), 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 (Sea of Cortez) along the south.

### Adjacent jurisdictions

* Yuma County, Arizona — north
* Municipality of Puerto Peñasco, Sonora — east
* Municipality of Mexicali and Colorado River, Baja California — west
* Gulf of California (Sea of Cortes) — south

### Populated places

The largest cities, towns, and villages within the municipality include:
| Name | 2020 Census Population |
| San Luis Río Colorado | 176,685 |
| Ingeniero Luis B. Sánchez [es] | 5,970 |
| Golfo de Santa Clara [es] | 4,618 |
| Islita [es] | 2,332 |
| Estación Riíto | 1,413 |
| Lagunitas [es] | 1,217 |
| Total Municipality | 199,021 |

### 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 |

## History

The first vaccines against the COVID-19 pandemic in Mexico arrived for medical personal on January 13, 2021.
Eleven people were arrested for possession of weapons reserved for the military on March 13, 2021.

## Government
### Municipal presidents

| Municipal president | Term | Political party | Notes |
| Félix M. Contreras | 1939–1941 | PRM | |
| Carlos Encinas | 1941–1943 | PRM | |
| Alberto Veytia Ponce | 1943–1946 | PRM | |
| Heriberto R. Silva | 1946–1949 | PRI | |
| Refugio del Río Sáenz | 1949–1952 | PRI | |
| Isidro Parra Olguín | 1952–1955 | PRI | |
| Eulogio Medina Hoyos | 1955–1958 | PRI | |
| Mario Morúa Johnson | 1958–1961 | PRI | |
| Carlos Rodríguez Araiza | 1961 | PRI | Acting municipal president |
| Manuel Parra Peralta | 1961–1964 | PRI | |
| Carlos Rodríguez Araiza | 1964–1967 | PRI | |
| Rafael Loya Castro | 1967–1970 | PRI | |
| Jorge Flores Valdez | 1970–1973 | PRI | |
| Rubén Payán Serrano | 1973–1976 | PRI | |
| Ignacio Guzmán Gómez | 1976–1979 | PRI | |
| Rodolfo Rogel Villa | 1979–1982 | PRI | |
| Fausto Ochoa Medina | 1982–1985 | PAN | |
| Sergio Miguel García Íñiguez | 1985–1988 | PRI | |
| José Jesús Bustamante Salcido | 1988–1991 | PRI | |
| Gilberto Madrid Navarro | 1991–1994 | PRI | |
| Jorge Figueroa González | 1994–1997 | PAN | |
| Florencio Díaz Armenta [es] | 1997–2000 | PAN | |
| José Enrique Reina Lizárraga | 2000–2003 | PAN | |
| José Inés Palafox Núñez | 2003–2006 | PAN | |
| Héctor Rubén Espino Santana | 2006–2009 | PAN | |
| Manuel de Jesús Baldenebro Arredondo | 2009–2012 | PRI | |
| Leonardo Guillén Medina | 2012–2015 | PAN | |
| José Enrique Reina Lizárraga | 2015–2018 | PAN | |
| Santos González Yescas | 2018–2021 | PT Morena PES | Coalition "Together We Will Make History" |
| Santos González Yescas | 2021–2024 | Morena | Was reelected on 06/06/2021 |
| César Iván Sandoval Gámez | 2024– | Morena PVEM PT PNA Sonora PES Sonora | |