The 12th federal electoral district of Nuevo León () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 14 such districts in the state of Nuevo León.
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.
The 12th district was created by the Federal Electoral Institute (IFE) its 2005 redistricting process and was first contested in the 2006 general election. The current member for the district, elected in the 2024 general election, is Héctor Alfonso de la Garza Villarreal of the Ecologist Green Party of Mexico (PVEM).
District territory In its 2023 districting plan, which is to be used for the 2024, 2027 and 2030 federal elections, the National Electoral Institute (INE) increased Nuevo León's congressional seat allocation from 12 to 14. The reconfigured 12th district is in the Monterrey metropolitan area and covers the 172 electoral precincts () that make up the municipality of Júarez.
The head town (), where results from individual polling stations are gathered together and tallied, is the city of Ciudad Benito Juárez. The district reported a population of 470,587 in the 2020 census.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Nuevo León 7 11 11 12 12 14 Chamber of Deputies 196 300 Sources:
2017–2022 Between 2017 and 2022, the district comprised 200 precincts and covered the municipalities of Cadereyta Jiménez, Juárez, Marín and Pesquería.
2005–2017 Under the 2005 districting plan, the newly created district's head town was at Cadereyta Jiménez and it covered 255 precincts across 28 municipalities in the north of the state. The link lists the municipalities covered. The link contains comparative maps of the 1996 and 2005 schemes.
Deputies returned to Congress
+ Nuevo León's 12th district Election Deputy Party Term Legislature2006Juan Manuel Parás González2006–200960th Congress2009Rogelio Cerda Pérez2009–201261st Congress2012Pedro Pablo Treviño Villarreal2012–201562nd Congress20152015–201863rd Congress2018Sandra Paola González Castañeda2018–202164th Congress20212021–202465th Congress2024Héctor Alfonso de la Garza Villarreal2024–202766th Congress
Presidential elections + Nuevo León's 12th district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 44.82702024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 55.5090
References