The 18th federal electoral district of Jalisco () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 20 such districts in the state of Jalisco.
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 first region.
Suspended in 1930, the 18th district was re-established as part of the 1977 electoral reforms. The restored district returned its first deputy in the 1979 mid-term election.
The current member for the district, elected in the 2024 general election, is Haidyd Arreola López 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, Jalisco's 18th district covers the south-west of the state, along the Pacific Ocean coast and the border with Colima, and comprises 261 electoral precincts () across 25 of the state's 125 municipalities: Amacueca, Atemajac de Brizuela, Autlán de Navarro, Ayutla, Casimiro Castillo, Cihuatlán, Cocula, Cuautitlán de García Barragán, Chiquilistlán, Ejutla, El Grullo, La Huerta, Juchitlán, El Limón, San Gabriel, San Martín Hidalgo, Tapalpa, Tecolotlán, Tenamaxtlán, Tolimán, Tonaya, Tuxcacuesco, Unión de Tula, Villa Purificación and Zapotitlán de Vadillo.
The head town (), where results from individual polling stations are gathered together and tallied, is the city of Autlán de Navarro. The district reported a population of 412,437 in the 2020 census.
Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Jalisco 13 20 19 19 20 20 Chamber of Deputies 196 300Sources:
2017–2022 Jalisco regained its 20th congressional seat in the 2017 redistricting process. The 18th district's head town was at Autlán and it covered 22 municipalities: Ameca, Atengo, Autlán de Navarro, Ayutla, Casimiro Castillo, Cihuatlán, Cuautitlán de García Barragán, Cuautla, Chiquilistlán, Ejutla, El Grullo, El Limón, Juchitlán, La Huerta, Tecolotlán, Tenamaxtlán, Tolimán, Tonaya, Tuxcacuesco, Unión de Tula, Villa Purificación and Zapotitlán de Vadillo.
2005–2017 Under the 2005 plan, Jalisco had 19 districts. This district's head town was at Autlán and it covered 19 municipalities: The link contains maps of the 2005 and 1996 schemes. Ameca, Atemajac de Brizuela, Autlán de Navarro, Casimiro Castillo, Cihuatlán, Cocula, Cuautitlán de García Barragán, Chiquilistlán, Ejutla, El Grullo, Juchitlán, El Limón, San Martín Hidalgo, Tecolotlán, Tenamaxtlán, Tonaya, Tuxcacuesco, Unión de Tula and Villa Corona.
1996–2005 In the 1996 scheme, under which Jalisco lost a single-member seat, the district had its head town at Autlán and it comprised 21 municipalities: Atengo, Autlán de Navarro, Ayutla, Casimiro Castillo, Cihuatlán, Cocula, Cuautitlán de García Barragán, Cuautla, Chiquilistlán, Ejutla, El Grullo, La Huerta, Juchitlán, El Limón, San Martín Hidalgo, Tecolotlán, Tenamaxtlán, Tonaya, Tuxcacuesco, Unión de Tula and Villa Purificación.
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, Jalisco's seat allocation rose from 13 to 20. The restored 18th district's head town was at Tlaquepaque and it covered the municipalities of El Salto, Tonalá and Tlaquepaque.
Deputies returned to Congress
+ Jalisco's 18th district Election Deputy Party Term LegislaturePaulino Machorro y Narváez1916–1917Constituent Congressof Querétaro1917Basilio Vadillo1917–19181918Basilio Vadillo1918–192028th Congress1920José Juan Ortega1920–192229th CongressPaulino Manzano1922–19241924Felipe Pérez1924–192631st Congress1926Ignacio H. Santana1926–192832nd Congress1928Benigno Palencia1928–193033rd Congress The 18th district was suspended between 1930 and 19791979Felipe López Prado1979–198251st Congress1982Alfredo Barba Hernández1982–198552nd Congress1985David Serrano Acosta1985–198853rd Congress1988Antonio Álvarez Esparza1988–199154th Congress1991Alfredo Barba Hernández1991–199455th Congress1994Hugo Fernando Rodríguez Martínez1994–199756th Congress1997Héctor Francisco Castañeda Jiménez1997–200057th Congress2000Marcelo García Morales2000–200358th Congress2003Javier Alejandro Galván Guerrero2003–200659th Congress2006José Nicolás Morales Ramos2006–200960th Congress2009Carlos Luis Meillon Johnston2009–201261st Congress2012Gabriel Gómez MichelIgnacio Mestas Gallardo 2012–201562nd Congress2015Jesús Zúñiga Mendoza2015–201863rd Congress20182018–202164th Congress2021José Guadalupe Fletes Araiza 2021–202465th Congress2024Haidyd Arreola López2024–202766th Congress
Presidential elections + Jalisco's 18th district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 45.40262024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 51.3103
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