The First Federal Electoral District of the Federal District (I Distrito Electoral Federal del Distrito Federal) 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 27 such districts in the Federal District ("DF" or Mexico City).
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, the DF's First District covers the northern portion of the borough (delegación) of Gustavo A. Madero. This makes it the northernmost federal electoral district in the DF.
Previous districting schemes
1996–2005 district
Between 1996 and 2005, the First District had practically the same composition as at present.
Deputies returned to Congress from this district
L Legislature
1976–1979: Eduardo Andrade Sánchez (PRI) LI Legislature 1979–1982: Carlos Duffo López (PRI) LII Legislature 1982–1985: Pedro Luis Bartilotti Perea (PRI) LIII Legislature 1985–1988: Manuel Gurría Ordóñez (PRI) LIV Legislature 1988–1991: Jaime Guillermo Aviña Zepeda (PAN) LV Legislature 1991–1994: LVI Legislature 1994–1997: Manuel Arciniega Portillo (PAN) LVII Legislature 1997–2000: César Lonche Castellanos (PRD) LVIII Legislature 2000–2003: Julieta Prieto Furhken (PVEM) LIX Legislature 2003–2006: Marcos Morales Torres (PRD) LX Legislature 2006–2009: Andrés Lozano Lozano (PRD)