# 3rd federal electoral district of Coahuila

The 3rd federal electoral district of Coahuila (Distrito electoral federal 03 de Coahuila) is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of eight such districts in the state of Coahuila.
It elects one deputy to the lower house of Congress for each three-year legislative session by means of the first-past-the-post system. Votes cast in the district also count towards the calculation of proportional representation ("plurinominal") deputies elected from the second region.

## District territory

Under the National Electoral Institute's 2022 districting plan, which is to be used for the 2024, 2027 and 2030 federal elections and which gave Coahuila an additional district, the 3rd district comprises 13 municipalities in the central-eastern portion of the state: Abasolo, Allende, Candela, Castaños, Escobedo, Guerrero, Hidalgo, Juárez, Monclova, Progreso, Sabinas, San Juan de Sabinas and Villa Unión. The district's head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is the city of Monclova.

## Previous districting schemes
### 2005–2017

Between 2005 and 2017, the district was located in the central-eastern portion of the state and covered the municipalities of Abasolo, Arteaga, Candela, Castaños, Escobedo, General Cepeda, Juárez, Monclova, Progreso, Ramos Arizpe, Sabinas and Sacramento. The head town was the city of Monclova.

## Deputies returned to Congress

Third federal electoral district of Coahuila :
| Election | Deputy | Party | Term | Legislature |
| 1916 [es] | José María Rodríguez [es] | | 1916–1917 | Constituent Congress of Querétaro |
| 1917 | Aarón Sáenz | PLC | 1917–1918 | 27th Congress |
| 1918 | Alfredo Breceda Mercado [es] | | 1918–1920 | 28th Congress |
| 1920 | Francisco Guerrero V. | | 1920–1922 | 29th Congress |
| 1922 [es] | Otilio González | | 1922–1924 | 30th Congress |
| 1924 | Candor Guajardo | | 1924–1926 | 31st Congress |
| 1926 | Manuel Mijares V. | PLN | 1926–1928 | 32nd Congress |
| 1928 | Manuel Mijares V. | PLN | 1928–1930 | 33rd Congress |
| 1930 | Alfredo I. Moreno | | 1930–1932 | 34th Congress |
| 1932 | Francisco Saracho | | 1932–1934 | 35th Congress |
| 1934 | Delfín Cepeda | | 1934–1937 | 36th Congress |
| 1937 | Damián L. Rodríguez | | 1937–1940 | 37th Congress |
| 1940 | Arturo Carranza | | 1940–1943 | 38th Congress |
| 1943 | Raúl López Sánchez [es] | | 1943–1946 | 39th Congress |
| 1946 | José de Jesús Urquizo | | 1946–1949 | 40th Congress |
| 1949 | Fernando Vargas Meza | | 1949–1952 | 41st Congress |
| 1952 | Antonio Marmolejo Barrera | | 1952–1955 | 42nd Congress |
| 1955 | Jesús Rodríguez Silva | | 1955–1958 | 43rd Congress |
| 1958 | Pablo Orozco Escobar | | 1958–1961 | 44th Congress |
| 1961 | Félix de la Rosa Sánchez | | 1961–1964 | 45th Congress |
| 1964 | Francisco Padilla Rodríguez | | 1964–1967 | 46th Congress |
| 1967 | Juan Manuel Berlanga García | | 1967–1970 | 47th Congress |
| 1970 | Aureliano Cruz Juárez | | 1970–1973 | 48th Congress |
| 1973 | Arnoldo Villarreal Zertuche | | 1973–1976 | 49th Congress |
| 1976 | Fernando Cabrera Rodríguez | | 1976–1979 | 50th Congress |
| 1979 | Rafael Ibarra Chacón | | 1979–1982 | 51st Congress |
| 1982 | Enrique Neavez Muñiz | | 1982–1985 | 52nd Congress |
| 1985 | Daniel Castaño de la Fuente | | 1985–1988 | 53rd Congress |
| 1988 | Benigno Gil de los Santos | | 1988–1991 | 54th Congress |
| 1991 | Fidel Hernández Puente | | 1991–1994 | 55th Congress |
| 1994 | Miguel Ángel García García | | 1994–1997 | 56th Congress |
| 1997 | Martha Laura Carranza Aguayo | | 1997–2000 | 57th Congress |
| 2000 | Óscar Maldonado Domínguez | | 2000–2003 | 58th Congress |
| 2003 | Ricardo Rodríguez Rocha | | 2003–2006 | 59th Congress |
| 2006 | Rolando Rivero Rivero | | 2006–2009 | 60th Congress |
| 2009 | Melchor Sánchez de la Fuente | | 2009–2012 | 61st Congress |
| 2012 | Mario Alberto Dávila Delgado | | 2012–2015 | 62nd Congress |
| 2015 | María Guadalupe Oyervides Valdez | | 2015–2018 | 63rd Congress |
| 2018 | Melba Farías Zambrano [es] | | 2018–2021 | 64th Congress |
| 2021 | Cristina Amezcua González [es] | | 2021–2024 | 65th Congress |
| 2024 | Theodoros Kalionchiz de la Fuente | | 2024–2027 | 66th Congress |