The 4th federal electoral district of Mexico City (; previously "of the Federal District") is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 22 such districts in Mexico City.
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 fourth region.
The current member for the district, elected in the 2024 general election, is Dolores Padierna of the National Regeneration Movement (Morena).
District territory Under the 2023 districting plan adopted by the National Electoral Institute (INE), which is to be used for the 2024, 2027 and 2030 federal elections, the 4th district covers 187 electoral precincts () in central and southern portions of the borough (alcaldía) of Iztapalapa.
The district reported a population of 374,674 in the 2020 census.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Mexico City (Federal District) 27 40 30 27 24 22 Chamber of Deputies 196 300 Sources:
2017–2022 From 2017 to 2022, the district covered a south-western portion of Iztapalapa.
2005–2017 Under the 2005 districting scheme, the district covered a part of the south-west of Iztapalapa. The link contains maps of the 1996 and 2005 schemes.
1996–2005 Between 1996 and 2005, the district covered the central portion of the borough of Gustavo A. Madero. The link contains a detailed description of the 1996 district's territory.
1978–1996 The districting scheme in force from 1978 to 1996 was the result of the 1977 electoral reforms, which increased the number of single-member seats in the Chamber of Deputies from 196 to 300. Under that plan, the Federal District's seat allocation rose from 27 to 40. The 4th district covered portions of the boroughs of Venustiano Carranza and Cuauhtémoc. The link contains a detailed description of the 1978 district's territory.
Deputies returned to Congress
+ Mexico City's 4th district Election Deputy Party Term LegislatureAmador Lozano1916–1917Constituent Congressof Querétaro19171917–191827th Congress1918Paulino FontesPLN1918–192028th Congress1920Vito Alessio Robles1920–192229th CongressRafael Pérez Taylor1922–192430th Congress1924Gustavo Durón González1924–192631st Congress19261926–192832nd Congress1928Rafael CruzPQ1928–193033rd Congress1930José Morales Heesse1930–193234th Congress1932Ismael Salas1932–193435th Congress19341934–193736th Congress1937José Escudero Andrade1937–194037th Congress1940Alfonso Peña Palafox1940–194338th Congress19431943-194639th Congress1946Alfonso Martínez Domínguez1946-194940th Congress1949Francisco Fonseca García1949–195241st Congress1952Alberto Hernández Campos1952–195542nd Congress1955Salvador Carrillo Echeveste1955–195843rd Congress1958Ramón Villarreal Vázquez1958–196144th Congress1961Neftalí Mena Mena1961–196445th Congress1964Salvador Rodríguez Leija1964–196746th Congress1967Octavio Hernández González1967–197047th Congress1970Carlos Hernández Márquez1970–19711971–197348th Congress1973Efraín Garza Flores1973–197649th Congress19761976–197950th Congress1979Rodolfo Siller Rodríguez1979–198251st Congress1982Domingo Alapizco Jiménez1982–198552nd Congress1985Rafael López Zepeda1985–198853rd Congress1988Jesús Anlen López1988–199154th Congress1991Domingo Alapizco Jiménez1991–199455th Congress19941994–199756th Congress19971997–200057th Congress2000José María Rivera Cabello2000–200358th Congress2003Rocío Sánchez Pérez2003–200659th Congress2006Lourdes Alonso Flores2006–200960th Congress2009Jaime Cárdenas Gracia2009–201261st Congress2012Carlos Augusto Morales López2012–201562nd Congress2015Ernestina Godoy Ramos2015–201863rd Congress2018Gerardo Fernández Noroña2018–202164th Congress2021Gerardo Fernández Noroña Francisco Javier Guerrero Varela2021–202365th Congress2024Dolores Padierna Luna2024–202766th Congress
Presidential elections + Mexico City's 4th district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 65.27002024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 69.6259
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