The 39th federal electoral district of the State of Mexico () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of 40 such districts in the State of Mexico.
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 fifth region.
The 37th to 40th districts were created by the Federal Electoral Institute (IFE) in its 2005 redistricting process and were first contested in the 2006 general election.
The current member for the district, elected in the 2024 general election, is José Luis Montalvo Luna of the Labour Party (PT).
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 39th district is located in the state's eastern panhandle, within the Greater Mexico City area, and covers 110 electoral precincts () across two of its 125 municipalities:
The head town (), where results from individual polling stations are gathered together and tallied, is the city of Los Reyes Acaquilpan. In the 2020 Census, the district reported a total population of 407,702.
Under the previous districting plans enacted by the INE and its predecessors, the 39th district was situated as follows:
2017âÂÂ2022
2005âÂÂ2017