The 6th federal electoral district of Tamaulipas () 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 Tamaulipas.
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 current member for the district, elected in the 2024 general election, is of the National Regeneration Movement (Morena).
District territory Tamaulipas lost a district in 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 reconfigured 6th district covers the south of the state and comprises 281 electoral precincts () across nine of the state's 43 municipalities: Aldama, Altamira, Antiguo Morelos, Gómez Farías, González, El Mante, Nuevo Morelos, Ocampo and Xicoténcatl.
The head town (), where results from individual polling stations are gathered together and tallied, is the city of Ciudad Mante. The district reported a population of 502,617 in the 2020 census.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Tamaulipas 6 9 8 8 9 8 Chamber of Deputies 196 300Sources:
2017–2022 Between 2017 and 2022, Tamaulipas accounted for nine single-member congressional seats. The 6th district's head town was at Ciudad Mante and it covered 18 municipalities: Abasolo, Aldama, Antiguo Morelos, Bustamante, Casas, Gómez Farias, González, Jaumave, Jiménez, Llera, El Mante, Miquihuana, Nuevo Morelos, Ocampo, Palmillas, Soto la Marina, Tula and Xicoténcatl.
2005–2017 Under the 2005 plan, Tamaulipas had eight districts. This district's head town was at Ciudad Mante and it covered 17 municipalities: The link contains maps of the 2005 and 1996 schemes. Abasolo, Antiguo Morelos, Bustamante, Casas, Gómez Farias, González, Jaumave, Jiménez, Llera, El Mante, Miquihuana, Nuevo Morelos, Ocampo, Palmillas, Soto la Marina, Tula and Xicoténcatl.
1996–2005 In the 1996 scheme, under which Tamaulipas lost a single-member seat, the district had its head town at Ciudad Mante and it comprised nine municipalities: Antiguo Morelos, Gómez Farías, González, Llera, El Mante, Nuevo Morelos, Ocampo, Tula and Xicoténcatl.
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, Tamaulipas's seat allocation rose from six to nine. The 6th district's head town was at Ciudad Madero and it covered the municipalities of Altamira, Ciudad Madero and González.
Deputies returned to Congress
+ Tamaulipas's 6th district Election Deputy Party Term Legislature1976Julio Dolores Martínez Rodríguez1976–197950th Congress1979Hugo Eduardo Barba Islas1979–198251st Congress1982Benito Ignacio Santamaría Sánchez1982–198552nd Congress1985Luis Nájera Olvera1985–198853rd Congress1988Julián Murillo Navarro1988–199154th Congress1991Jesús Suárez Mata1991–199455th Congress1994Jesús Olvera Méndez1994–199756th Congress1997José Ernesto Manrique Villarreal1997–200057th Congress2000Enrique Meléndez Pérez2000–200358th Congress2003Óscar Martín Ramos Salinas 2003–200659th Congress2006Enrique Cárdenas del Avellano2006–200960th Congress2009Luis Alejandro Guevara Cobos2009–201261st Congress2012Rosalba de la Cruz Requena2012–201562nd Congress2015Luis Alejandro Guevara Cobos2015–201863rd Congress2018Vicente Javier Verástegui OstosEloy Martínez Carrizales2018–2021202164th Congress2021Marco Antonio Castro Narváez2021–202465th Congress20242024–202766th Congress
Presidential elections + Tamaulipas's 6th district Election District won by Party or coalition % 2018Ricardo Anaya Cortés Por México al Frente38.27942024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 64.3635
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