The 1st federal electoral district of Aguascalientes () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of three such districts in the state of Aguascalientes.
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 Humberto Ambriz Delgadillo of the Institutional Revolutionary Party (PRI).
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 1st district covers 150 electoral precincts () across ten of the state's 11 municipalities: Asientos, Calvillo, Cosío, Jesús María, Pabellón de Arteaga, Rincón de Romos, San José de Gracia, Tepezalá, San Francisco de los Romo and El Llano.
The district's head town (), where results from individual polling stations are gathered together and tallied, is the city of Jesús María. The district reported a population of 482,911 in the 2020 census.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Aguascalientes 2 2 3 3 3 3 Chamber of Deputies 196 300Sources:
2017–2022 In the 2017 scheme, the 1st district covered the same ten municipalities.
2005–2017 Under the 2005 redistricting process, the district was made up of the same ten municipalities.
1996–2005 Aguascalientes gained a congressional seat in 1996. The reconfigured 1st district acquired the composition – the entire state, minus the capital and its municipality – it would have in the later schemes. The link contains maps of the 1996 and 2005 schemes.
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. Aguascalientes's seat allocation, however, remained unchanged at two. The 1st district covered the city of Aguascalientes, with its surrounding municipality assigned to the 2nd district.
Deputies returned to Congress
+ Aguascalientes's 1st district Election Deputy Party Term LegislatureAurelio L. González1916–1917Constituent Congressof Querétaro ...1932 Juan G. Alvarado 1932–1934 1934 Rafael A. Valdez 1934–1937 1937 Ramón V. Aldana 1937–1940 1940 Benjamín Reséndiz 1940–1943 1943 Macario J. Gómez 1943–1946 1946 1946–1949 1949 Jesús Ávila Vázquez 1949–1952 1952 Luis T. Díaz Alvarado 1952–1955 1955 Edmundo L. Bernal Alonso 1955–1958 1958 Heriberto Béjar Jáuregui 1958–1961 1961 Manuel Trujillo Miranda 1961–1964 1964Antonio Femat Esparza1964–1967 1967 Francisco Guel Jiménez 1967–1970 1970 Luciano Arenas Ochoa 1970–1973 1973 José de Jesús Medellín Muñoz 1973–1976 1976 Jesús Martínez Gortari 1976–1979 1979 Roberto Díaz Rodríguez 1979–1982 1982 Heriberto Vázquez Becerra 1982–1985 1985 Alfredo González González 1985–1988 1988 Manuel González Díaz de León 1988–1991 1991 Armando Romero Rosales 1991–1994 1994 María del Socorro Ramírez Ortega 1994–1997 1997 Óscar González Rodríguez 1997–2000 2000 Roque Rodríguez López 2000–2003 2003 Arturo Robles Aguilar 2003–2006 2006 Pedro Armendáriz García 2006–2009 2009 Antonio Arámbula López 2009–2012 2012José Pilar Moreno 2012–2015 2015 Gerardo Federico Salas Díaz 2015–2018 2018 Francisco Javier Luevano Nuñez 2018–2021 2021 2021–2024 2024 Humberto Ambriz Delgadillo 2024–2027
Presidential elections + Aguascalientes's 1st district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia39.95902024Claudia Sheinbaum Pardo Sigamos Haciendo Historia46.3591
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