[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 third region.

[1] In 2017–2022, the district covered the municipalities of Acala, Chiapa de Corzo, Chiapilla, Ocozocoautla de Espinosa, Suchiapa, Totolapa and Tuxtla Gutiérrez.

[6] From 2005 to 2017, the 6th district was located in the centre of the state and covered the municipalities of Acala, Chiapa de Corzo, Chiapilla, Chicoasén, Ixtapa, Las Rosas, Nicolás Ruiz, Osumacinta, San Lucas, Soyaló, Suchiapa, Totolapa, and Venustiano Carranza, plus the southern and western parts of the municipality of Tuxtla Gutiérrez.

The head town was Chiapa de Corzo and it covered the following municipalities: 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.