The 25th federal electoral district of the State of Mexico () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 40 such districts in the State of Mexico.
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 fifth region.
The 25th district was created by 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 State of Mexico's seat allocation rose from 15 to 34. The new districts were first contended in the 1979 mid-term election.
The current member for the district, elected in the 2024 general election, is Leide Avilés Domínguez 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 25th district is in the Greater Mexico City urban area and covers 98 electoral precincts () across the central and northern portions of one of the state's 125 municipalities: Chimalhuacán
The head town (), where results from individual polling stations are gathered together and tallied, is the city of Chimalhuacán. In the 2020 census, the district reported a total population of 414,679.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 State of Mexico15 34 36 40 41 40 Chamber of Deputies 196 300 Sources:
Under the previous districting plans enacted by the INE and its predecessors, the 25th district was situated as follows:
2017–2022 The centre and west of the municipality of Chimalhuacán.
2005–2017 The centre, south and south-east of Chimalhuacán.
1996–2005 The municipalities of Chimalhuacán and Chicoloapan and one neighbourhood in Nezahualcóyotl. The head town was at Chimalhuacán. The link contains comparative maps of the 1996 and 2005 schemes.
1978–1996 A portion of the municipality of Nezahualcóyotl.
Deputies returned to Congress
+ State of Mexico's 25th district Election Deputy Party Term Legislature1979Leonel Domínguez Rivero1979–198251st Congress1982Juan Herrera Servín1982–198552nd Congress19851985–198853rd Congress1988Delfino Ronquillo Nava1988–199154th Congress1991José Benigno López Mateos1991–199455th Congress1994Olga Bernal Arenas1994–199756th Congress1997José Luis García Cortés1997–200057th Congress2000Elba Arrieta Pérez2000–200358th Congress2003Jesús Tolentino Román Bojórquez2003–200659th Congress2006Alberto López Rojas2006–200960th Congress2009Inocencio Ibarra Piña2009–201261st Congress2012Jesús Tolentino Román Bojórquez2012–201562nd Congress20152015–201863rd Congress2018Delfino López AparicioSilvestre López Cornejo2018–2020202164th Congress2021Carlos López Guadarrama 2021–202465th Congress2024Leide Avilés Domínguez2024–202766th Congress
Presidential elections + State of Mexico's 25th district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 58.15022024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 67.3293
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