37th federal electoral district of the Federal District
Defunct federal electoral district of Mexico
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The 37th federal electoral district of the Federal District (Spanish: Distrito electoral federal 37 del Distrito Federal) is a defunct federal electoral district of Mexico. Occupying a portion of what is today Mexico City, it was in existence from 1978 to 1996.
During that time, it returned one deputy to the Chamber of Deputies for each three-year legislative session by means of the first-past-the-post system, electing its first in the 1979 mid-terms and its last in the 1994 general election. Votes cast in the district also counted towards the calculation of proportional representation ("plurinominal") deputies elected from the country's electoral regions.[1][2]
The 31st to 40th districts were abolished by the Federal Electoral Institute (IFE) in its 1996 redistricting process because the capital's population no longer warranted that number of seats in Congress.[3]
District territory
| 1974 | 1978 | 1996 | 2005 | 2017 | 2023 | |
|---|---|---|---|---|---|---|
| Mexico City (Federal District) | 27 | 40 | 30 | 27 | 24 | 22 |
| Chamber of Deputies | 196 | 300 | ||||
| Sources: [4][5][3][6] | ||||||
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. Under that plan, the Federal District's seat allocation rose from 27 to 40.[5] The 37th district covered portions of the boroughs of Iztapalapa and Benito Juárez.[7]
Deputies returned to Congress
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| Election | Deputy | Party | Term | Legislature |
|---|---|---|---|---|
| 1979 | Luis Velázquez Jaacks[8] |  |
1979–1982 | 51st Congress |
| 1982 | Alfonso Valdivía Ruvalcaba[9] | |
1982–1985 | 52nd Congress |
| 1985 | Gonzalo Castellot Madrazo[10] | |
1985–1988 | 53rd Congress |
| 1988 | Miguel Aroche Parra[11] |  |
1988–1991 | 54th Congress |
| 1991 | Fernando Espino Arévalo[12] | |
1991–1994 | 55th Congress |
| 1994 | Horacio Pereznegrón Pereznegrón[13] | |
1994–1997 | 56th Congress |