18th federal electoral district of Mexico City

The 18th federal electoral district of Mexico City (Spanish: Distrito electoral federal 18 de la Ciudad de México; prior to 2016, "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]

Mexico City's 18th
Electoral district of the Chamber of Deputies of Mexico
18th district since 2023
Incumbent
Member	Gabriel García Hernández
Party	▌Morena
Congress	66th (2024–2027)
District
State	Mexico City
Head town	Iztapalapa
Coordinates	19°21′30″N 99°05′35″W
Covers	Iztapalapa (part)
PR region	Fourth
Precincts	260
Population	446,660 (2020 Census)

Mexico City under the 2017–2022 districting plan

2005–2017 eighteenth district shaded blue

It elects one deputy to the lower house of Congress for each three-year legislative session 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 fourth region.^[2][3]

The current member for the district, elected in the 2024 general election, is Gabriel García Hernández of the National Regeneration Movement (Morena).^[4][5]

District territory

Under the 2023 districting plan adopted by the National Electoral Institute (INE), which is to be used for the 2024, 2027 and 2030 federal elections,^[6] the 18th district covers 260 electoral precincts (secciones electorales) in the central portion of the borough (alcaldía) of Iztapalapa.^[7]

The district reported a population of 446,660 in the 2020 Census.^[1]

Previous districting schemes

Evolution of electoral district numbers

	1974	1978	1996	2005	2017	2023
Mexico City (Federal District)	27	40	30	27	24	22
Chamber of Deputies	196	300
Sources: [1][8][9][10]

2017–2022

In the 2017 plan, the 18th district comprised 261 precincts in the west of the borough of Iztapalapa.^[11][10]

2005–2017

Under the 2005 districting scheme, the district covered the northern portion of Iztapalapa.^[12][13]

1996–2005

Between 1996 and 2005, the district covered practically the same area of Iztapalapa as in the 2005 scheme.^[14][13]

1978–1996

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.^[8] The 18th district covered a portion of the borough of Miguel Hidalgo.^[15]

Deputies returned to Congress

National parties
Current
	PAN
	PRI
	PT
	PVEM
	MC
	Morena
Defunct or local only
	PLM
	PNR
	PRM
	PNM
	PP
	PPS
	PARM
	PFCRN
	Convergencia
	PANAL
	PSD
	PES
	PES
	PRD

Mexico City's 18th district

Election	Deputy	Party	Term	Legislature
1952	Rodolfo Echeverría Álvarez[16]		1952–1955	42nd Congress
1955	Julio Ramírez Colozzi[17]		1955–1958	43rd Congress
1958	Antonio Castro Leal[18]		1958–1961	44th Congress
1961	Joaquín Gamboa Pascoe[19]		1961–1964	45th Congress
1964	Enrique Torres Calderón[20]		1964–1967	46th Congress
1967	Joaquín del Olmo Martínez[21]		1967–1970	47th Congress
1970	Rodolfo Martínez Moreno[22]		1970–1973	48th Congress
1973	Joaquín del Olmo Martínez[23]		1973–1976	49th Congress
1976	Hugo Díaz Velázquez[24]		1976–1979	50th Congress
1979	Luz Estela Tirado y Valle[25] Leobardo Salgado Arroyo		1979–1982	51st Congress
1982	Joaquín del Olmo Reyes[26]		1982–1985	52nd Congress
1985	Alfonso Godínez López[27]		1985–1988	53rd Congress
1988	Claudia Esqueda Llanes [es][28]		1988–1991	54th Congress
1991	Alfonso Godínez y López[29]		1991–1994	55th Congress
1994	Armando Gamboa Enríquez[30]		1994–1997	56th Congress
1997	Ángel de la Rosa Blancas[31]		1997–2000	57th Congress
2000	Raúl García Velázquez[32]		2000–2003	58th Congress
2003	Horacio Martínez Meza[33]		2003–2006	59th Congress
2006	David Mendoza Arellano[34]		2006–2009	60th Congress
2009	Eduardo Mendoza Arellano[35]		2009–2012	61st Congress
2012	Karen Quiroga Anguiano[36]		2012–2015	62nd Congress
2015	Arturo Santana Alfaro[37]		2015–2018	63rd Congress
2018[38]	Ana María Rodríguez Ruiz[39]		2018–2021	64th Congress
2021[40]	Marcelino Castañeda Navarrete[41]		2021–2024	65th Congress
2024[4]	Gabriel García Hernández[5]		2024–2027	66th Congress

Presidential elections

Mexico City's 18th district

Election	District won by	Party or coalition	%
2018[42]	Andrés Manuel López Obrador	Juntos Haremos Historia	58.3344
2024[43]	Claudia Sheinbaum Pardo	Sigamos Haciendo Historia	61.8361