The 1st 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 Luis Gerardo Sánchez Sánchez of the Institutional Revolutionary Party (PRI).
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, Guanajuato's 1st district covers the north-east of the state, along the border with San Luis Potosàand Querétaro, and comprises 190 electoral precincts () across eight of the state's 46 municipalities:
The head town (), where results from individual polling stations are gathered together and tallied, is the city of San Luis de la Paz. The district reported a population of 382,910 in the 2020 Census.
2017âÂÂ2022
2005âÂÂ2017
1996âÂÂ2005
1978âÂÂ1996