The 1st federal electoral district of San Luis Potosí () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of seven such districts in the state of San Luis Potosí.
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 Aremy Velazco Bautista 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 first district is situated in the north and west of the state, along the border with Nuevo León, Zacatecas and Guanajuato. It covers 340 electoral precincts () across 15 of the state's municipalities: Ahualulco, Catorce, Cedral, Charcas, Matehuala, Mexquitic de Carmona, Moctezuma, Salinas, Santo Domingo, Vanegas, Venado, Villa de Arriaga, Villa de Guadalupe, Villa de La Paz and Villa de Ramos.
The district's head town (), where results from individual polling stations are gathered together and tallied, is the city of Matehuala. The district reported a population of 381,815 in the 2020 census.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 San Luis Potosí 5 7 7 7 7 7 Chamber of Deputies 196 300 Sources:
2017–2022 Between 2017 and 2022, the district comprised 14 municipalities in the state's north and north-west: the same group as in the 2023 plan except for Villa de Arriaga. Matehuala served as the head town.
2005–2017 Under the 2005 plan, the district comprised the same 14 municipalities as in the 2017 scheme. Matehuala served as the head town. The link contains comparative maps of the 1996 and 2005 schemes.
1996–2005 From 1996 to 2005, the district covered 14 municipalities: Catorce, Cedral, Charcas, Guadalcázar, Matehuala, Moctezuma, Salinas, Santo Domingo, Vanegas, Venado, Villa de Arista, Villa de Guadalupe, Villa de la Paz and Villa de Ramos. Matehuala served as the head town.
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, San Luis Potosí's seat allocation rose from five to seven. The first district covered a part of the state capital, the city of San Luis Potosí. The link contains a precise description of the urban area covered.
Deputies returned to Congress
+ San Luis Potosí's 1st district Election Deputy Party Term LegislatureSamuel de los Santos1916–1917Constituent Congressof Querétaro ...19791979–198251st Congress19821982–198552nd Congress1985Teófilo Torres Corzo1985–198853rd Congress1988Mario Leal Campos1988–199154th Congress1991Alfredo Lujambio Rafols1991–199455th Congress1994Jesús Eduardo Noyola BernalMaría de Lourdes Carrillo Medina1994–1997199756th Congress1997Juana González Ortiz1997–200057th Congress2000Juan Manuel Carreras López2000–200358th Congress2003Alfonso Juventino Nava Díaz2003–200659th Congress2006Antonio Medellín Varela2006–200960th Congress2009Sonia Mendoza Díaz2009–201261st Congress2012José Everardo Nava Gómez2012–201562nd Congress2015Ruth Noemí Tiscareño Agoitia2015–201863rd Congress2018María Sara Rocha Medina2018–202164th Congress20212021–202465th Congress2024Aremy Velazco Bautista 2024–202766th Congress
Presidential elections + San Luis Potosí's 1st district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 35.78152024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 64.0772
References