The twentieth federal electoral district of Mexico City (Distrito electoral federal 20 de la Ciudad de México; previously "of the Federal District") is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of the 22 currently operational districts in Mexico City.[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 this district also count towards the calculation of proportional representation ("plurinominal") deputies elected from the fourth region.[2] [3]
Under the 2022 districting plan, which will be used for the 2024, 2027 and 2030 federal elections,[4] the twentieth district covers the north-eastern portion of the borough (alcaldía) of Iztapalapa.[5] [1]
| 1961 | Renaldo Guzmán Orozco[6] | 22px | 45th Congress | 1961–1964 | |
| 1964 | Antonio Martínez Manautou[7] | 22px | 46th Congress | 1964–1967 | |
| 1967 | Ignacio Guzmán Garduño[8] | 22px | 47th Congress | 1967–1970 | |
| 1970 | Oscar Hammeken Martínez[9] | 22px | 48th Congress | 1970–1973 | |
| 1973 | Ricardo Castañeda Gutiérrez[10] | 22px | 49th Congress | 1973–1976 | |
| 1976 | Jesús González Balandrano[11] | 22px | 50th Congress | 1976–1979 | |
| 1979 | Ricardo Castañeda Gutiérrez[12] | 22px | 51st Congress | 1979–1982 | |
| 1982 | Mateo de Regil Rodríguez[13] | 22px | 52nd Congress | 1982–1985 | |
| 1985 | Antonio Punzo Gaona[14] | 22px | 53rd Congress | 1985–1988 | |
| 1988 | Sóstenes Melgarejo Fraga[15] | 22px | 54th Congress | 1988–1991 | |
| 1991 | Silvestre Fernández Barajas[16] | 22px | 55th Congress | 1991–1994 | |
| 1994 | Adolfo Ramón Flores Rodríguez[17] | 22px | 56th Congress | 1994–1997 | |
| 1997 | Benito Mirón Lince[18] | 22px | 57th Congress | 1997–2000 | |
| 2000 | Mónica Leticia Serrano Peña[19] | 22px | 58th Congress | 2000–2003 | |
| 2003 | Diana Bernal Ladrón de Guevara[20] | 22px | 59th Congress | 2003–2006 | |
| 2006 | Efraín Morales Sánchez[21] | 22px | 60th Congress | 2006–2009 | |
| 2009 | Mario di Costanzo[22] | 22px | 61st Congress | 2009–2012 | |
| 2012 | José Alberto Benavides Castañeda[23] | 22px | 2012–2015 | ||
| 2015 | [24] | 22px | 63rd Congress | 2015–2018 | |
| 2018 | [25] | 22px | 64th Congress | 2018–2021 | |
| 2021 | [26] | 22px | 65th Congress | 2021–2024 | |
| 2024 | [27] | 22px | 66th Congress | 2024–2027 |