The 5th federal electoral district of the State of Mexico (Spanish: Distrito electoral federal 05 del Estado de México) 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.

[1] 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.

[2][3] Under the National Electoral Institute's 2022 districting plan, which is to be used for the 2024, 2027 and 2030 federal elections,[4] the 5th district covers three municipalities in the north-east of the state: The district's head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is Teotihuacán de Arista.

In the 2020 Census, the district reported a total population of 365,329.