The 3rd 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, re-elected in the 2024 general election, is Fernando Torres Graciano of the National Action Party (PAN).
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 3rd district covers 214 electoral precincts () across the northern portion of the municipality of León.
The head town (), where results from individual polling stations are gathered together and tallied, is the city of León. The district reported a population of 433,046 in the 2020 Census.
2017âÂÂ2022
2005âÂÂ2017
1996âÂÂ2005
1978âÂÂ1996