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8th federal electoral district of Guanajuato

The 8th 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.

The current member for the district, elected in the 2024 general election, is Ernesto Alejandro Prieto 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 8th district covers central Guanajuato and comprises 220 electoral precincts () across three of the state's 46 municipalities:

The head town (), where results from individual polling stations are gathered together and tallied, is the city of Salamanca. The district reported a population of 422,317 in the 2020 Census.

Previous districting schemes

2017–2022

Between 2017 and 2022, the 8th district had the same configuration as in the 2023 districting scheme.

2005–2017

Under the 2005 plan, Guanajuato had only 14 districts. This district's head town was at Salamanca and it covered four municipalities:
*Salamanca, Santa Cruz de Juventino Rosas and Villagrán, as in the later plans, plus Pueblo Nuevo.

1996–2005

In the 1996 scheme, under which Guanajuato was assigned 15 seats, the district had the same configuration as in the 2005 plan.

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, Guanajuato's seat allocation rose from 9 to 13. The 8th district was in the east of the state and it covered the municipalities of Celaya (which served as the head town) and Comonfort.

Deputies returned to Congress

Presidential elections

Notes

References