First Federal Electoral District of Quintana Roo

The First Federal Electoral District of Quintana Roo "(I Distrito Electoral Federal de Quintana Roo)" is one of the 300 Electoral Districts into which Mexico is divided for the purpose of elections to the federal Chamber of Deputies and one of three such districts in the state of Quintana Roo.
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.
District territory.
Under the 2005 districting scheme, Quintana Roo's First District covers the municipalities of
Cozumel, Isla Mujeres, Lázaro Cárdenas, Solidaridad, Tulum and non-urban area of the municipality of Benito Juárez (i.e., excluding the city and resort of Cancún).
The district's head town "(cabecera distrital)", where results from individual polling stations are gathered together and collated, is the city of Playa del Carmen.
Previous districting schemes.
1996–2005 district.
Between 1996 and 2005, the First District's territory was the same as at present, except that in included the entirety of Benito Juárez, including the city and resort of Cancún. Cancún also served as the district's head town for vote-collecting purposes.
Prior to 1975.
Quintana Roo was admitted to the union on 8 October 1975. Prior to that, as a federal territory, it was assigned only one seat in the Chamber of Deputies: for the First District. The Second District was created upon statehood in 1975, halving the territory of the First District.