[1] It elects one deputy to the lower house of Congress for each three-year legislative period 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.

[4] Yucatán gained a congressional seat in the National Electoral Institute's 2022 redistricting process.

It comprises 29 municipalities:[6] The district's head town (cabecera distrital), where results from individual polling stations are gathered together and tallied, is the city of Umán.

[8][9] Between 1996 and 2005, Yucatán's new 5th district covered a similar territory as under the 2017 scheme: without the coastal municipalities of the north-west and with a larger slice of the south of the state.