The 15th federal electoral district of Guanajuato () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 15 such districts in the state of Guanajuato.

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.

Suspended in 1930, Guanajuato's 15th was re-established by the Federal Electoral Institute (IFE) in its 1996 redistricting process. It was then placed in abeyance again between 2005 and 2017 but was restored for the 2018 general election.

The current member for the district, elected in the 2024 general election, is José Javier Aguirre Gallardo 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 15th district is located in the centre of Guanajuato and covers 172 electoral precincts () in the south of the municipality of Irapuato.

The head town (), where results from individual polling stations are gathered together and tallied, is the city of Irapuato. The district reported a population of 397,300 in the 2020 census.

Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Guanajuato 9 13 15 14 15 15 Chamber of Deputies 196 300Sources:

2017–2022 Between 2017 and 2022, the 15th district's head town was at Irapuato and it covered the bulk of the municipality (179 precincts in the south).

2005–2017 Under the 2005 plan, Guanajuato was assigned only 14 districts. The link contains maps of the 2005 and 1996 schemes.

1996–2005 The 1996 scheme increased Guanajuato's allocation from 13 to 15 seats. The new 15th district had its head town at Salvatierra and it comprised five municipalities in the south of the state: Salvatierra, Moroleón, Santiago Maravatío, Uriangato and Yuriria.

Deputies returned to Congress

+ Guanajuato's 15th district Election Deputy Party Term Legislature1916–1917Constituent Congressof Querétaro ... The 15th district was suspended between 1930 and 19971997Gerardo Sánchez García1997–200057th Congress2000Ramón Paniagua Jiménez2000–200358th Congress2003Miguel Ángel Rangel2003–200659th Congress The 15th district was suspended between 2006 and 20182018Sergio Fernando Ascencio Barba2018–202164th Congress2021Itzel Josefina Balderas Hernández2021–202465th Congress2024José Javier Aguirre Gallardo 2024–202766th Congress

Presidential elections + Guanajuato's 15th district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 34.96552024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 52.4819

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