Greater Mexico City

Greater Mexico City refers to the conurbation around Mexico City, officially called Metropolitan Area of the Valley of Mexico (Spanish: Zona metropolitana del Valle de México).[1] It encompasses Mexico City itself and 60 adjacent municipalities of the states of Mexico and Hidalgo.

Greater Mexico City
Zona metropolitana del Valle de México
From top: Plaza de la Constitución, Palacio de Bellas Artes, View of Santa Fe
Country Mexico
Federative Entities
Principal cities
  • Mexico City
  • Ecatepec
  • Ciudad Nezahualcóyotl
  • Naucalpan
  • Tlalnepantla de Baz
7,866.1 km2 (3,037.1 sq mi)
  Density2,771.9/km2 (7,179.4/sq mi)
  Metropolitan area
21,804,515 (1st)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
Greater Mexico City and Mexico City

Mexico City's metropolitan area is the economic, political, and cultural hub of Mexico. In recent years it has reduced its relative importance in domestic manufacturing, but has kept its dominant role in the country’s economy thanks to an expansion of its tertiary activities.[2] The area is also one of the powerhouse regions of Latin America, generating approximately $200 billion in GDP growth or 10 percent of the regional total.[3]

As of 2020, 21,804,515 people lived in Greater Mexico City,[4] making it the largest metropolitan area in North America. Covering an area of 7,866.1 square kilometres (3,037.1 sq mi), it is surrounded by thin strips of highlands separating it from other adjacent metropolitan areas, together with which it makes up the Mexico City megalopolis.


The phenomenon of conurbation in Mexico is relatively recent, starting in the 1940's. Mexico City became the first metropolitan area in the country when its urban core spread beyond the borders of the Federal District into the municipality of Naucalpan in the State of Mexico.[5] From that date, there have been different proposals to establish the limits of the growing conurbation of Mexico City, and different definitions were used unofficially as the city continued to grow: between 1950 and 1980, the conurbation extended to dozens of municipalities in the State of Mexico and the population trebled.[6]

The first official definition of Greater Mexico City was coined in 2004. A joint effort between the National Population Council (CONAPO), the National Institute of Statistics and Geography (INEGI) and the Ministry of Social Development (SEDESOL) named the 16 boroughs of Mexico City and 59 municipalities in the State of Mexico and Hidalgo as the Metropolitan Area of the Valley of Mexico.[7] This definition was also agreed by the government of Mexico City and the government of the State of Mexico on December 22, 2005.[8] As per the agreement, most urban planning projects were to be administered by Metropolitan Commissions.

As a result of the Political Reforms enacted in 2016, Mexico City is no longer designated as a Federal District and became a city, a member entity of the Mexican federation, seat of the Powers of the Union and the capital of Mexico.[9] Mexico City is divided in 16 boroughs, officially called demarcaciones territoriales, substituting the old delegaciones.


According to the latest definition by the National Population Council (CONAPO) in 2018, the Metropolitan area of the Valley of Mexico is formed by the following subdivisions:[1]

Mexico City

Borough Population
Change Land area[11] Population density
km2 sq mi
Álvaro Obregón 759,137 727,034 +4.4% 95.9 37.0 7,915.9/km2 (20,502.1/sq mi)
Azcapotzalco 432,205 414,711 +4.2% 33.5 12.9 12,901.6/km2 (33,415.1/sq mi)
Benito Juárez 434,153 385,439 +12.6% 26.7 10.3 16,260.4/km2 (42,114.3/sq mi)
Coyoacán 614,447 620,416 −1.0% 53.9 20.8 11,399.8/km2 (29,525.2/sq mi)
Cuajimalpa 217,686 186,391 +16.8% 71.2 27.5 3,057.4/km2 (7,918.6/sq mi)
Cuauhtémoc 545,884 531,831 +2.6% 32.5 12.5 16,796.4/km2 (43,502.6/sq mi)
Gustavo A. Madero 1,173,351 1,185,772 −1.0% 87.9 33.9 13,348.7/km2 (34,573.0/sq mi)
Iztacalco 404,695 384,326 +5.3% 23.1 8.9 17,519.3/km2 (45,374.7/sq mi)
Iztapalapa 1,835,486 1,815,786 +1.1% 113.2 43.7 16,214.5/km2 (41,995.5/sq mi)
La Magdalena Contreras 247,622 239,086 +3.6% 63.4 24.5 3,905.7/km2 (10,115.7/sq mi)
Miguel Hidalgo 414,470 372,889 +11.2% 46.4 17.9 8,932.5/km2 (23,135.2/sq mi)
Milpa Alta 152,685 130,582 +16.9% 298.2 115.1 512.0/km2 (1,326.1/sq mi)
Tláhuac 392,313 360,265 +8.9% 85.9 33.2 4,567.1/km2 (11,828.7/sq mi)
Tlalpan 699,928 650,567 +7.6% 314.5 121.4 2,225.5/km2 (5,764.1/sq mi)
Venustiano Carranza 443,704 430,978 +3.0% 32.5 12.5 13,652.4/km2 (35,359.6/sq mi)
Xochimilco 442,178 415,007 +6.5% 114.1 44.1 3,875.4/km2 (10,037.1/sq mi)
Mexico City 9,209,944 8,851,080 +4.1% 1,494.3 577.0 6,163.4/km2 (15,963.1/sq mi)


Municipality Population
Change Land area Population density
km2 sq mi
Tizayuca 168,302 97,461 +72.7% 76.7 29.61 2,194.3/km2 (5,683.2/sq mi)
Hidalgo 168,302 97,461 +72.7% 76.7 29.6 2,194.3/km2 (5,683.2/sq mi)

State of Mexico

Municipality Population
Change Land area Population density
km2 sq mi
Acolman 171,507 136,558 +25.6% 86.9 33.6 1,973.6/km2 (5,111.6/sq mi)
Amecameca 53,441 48,421 +10.4% 176.4 68.1 303.0/km2 (784.6/sq mi)
Apaxco 31,898 27,521 +15.9% 75.7 29.2 421.4/km2 (1,091.4/sq mi)
Atenco 75,489 56,243 +34.2% 87.6 33.8 861.7/km2 (2,231.9/sq mi)
Atizapán de Zaragoza 523,674 489,937 +6.9% 92.9 35.9 5,637.0/km2 (14,599.7/sq mi)
Atlautla 31,900 27,663 +15.3% 167.7 64.7 190.2/km2 (492.7/sq mi)
Axapusco 29,128 25,559 +14.0% 286.5 110.6 101.7/km2 (263.3/sq mi)
Ayapango 10,053 8,864 +13.4% 50.7 19.6 198.3/km2 (513.6/sq mi)
Chalco 400,057 310,130 +29.0% 225.2 87.0 1,776.5/km2 (4,601.0/sq mi)
Chiautla 30,045 26,191 +14.7% 20.1 7.8 1,494.8/km2 (3,871.5/sq mi)
Chicoloapan 200,750 175,053 +14.7% 41.3 15.9 4,860.8/km2 (12,589.3/sq mi)
Chiconcuac 27,692 22,819 +21.4% 6.8 2.6 4,072.4/km2 (10,547.3/sq mi)
Chimalhuacán 705,193 614,453 +14.8% 54.8 21.2 12,868.5/km2 (33,329.2/sq mi)
Coacalco 293,444 278,064 +5.5% 35.0 13.5 8,384.1/km2 (21,714.8/sq mi)
Cocotitlán 15,107 12,142 +24.4% 14.8 5.7 1,020.7/km2 (2,643.7/sq mi)
Coyotepec 40,885 39,030 +4.8% 39.9 15.4 1,024.7/km2 (2,653.9/sq mi)
Cuautitlán 178,847 140,059 +27.7% 40.9 15.8 4,372.8/km2 (11,325.5/sq mi)
Cuautitlán Izcalli 555,163 511,675 +8.5% 110.1 42.5 5,042.4/km2 (13,059.6/sq mi)
Ecatepec 1,645,352 1,656,107 −0.6% 156.2 60.3 10,533.6/km2 (27,282.0/sq mi)
Ecatzingo 10,827 9,369 +15.6% 53.2 20.5 203.5/km2 (527.1/sq mi)
Huehuetoca 163,244 100,023 +63.2% 119.8 46.3 1,362.6/km2 (3,529.2/sq mi)
Hueypoxtla 46,757 39,864 +17.3% 234.5 90.5 199.4/km2 (516.4/sq mi)
Huixquilucan 284,965 242,167 +17.7% 141.2 54.5 1,715.1/km2 (4,442.0/sq mi)
Isidro Fabela 11,929 10,308 +15.7% 79.7 30.8 149.7/km2 (387.7/sq mi)
Ixtapaluca 542,211 467,361 +16.0% 324.0 125.1 1,673.5/km2 (4,334.3/sq mi)
Jaltenco 28,217 26,328 +7.2% 4.7 1.8 6,003.6/km2 (15,549.3/sq mi)
Jilotzingo 19,877 17,970 +10.6% 116.5 45.0 170.6/km2 (441.9/sq mi)
Juchitepec 27,116 23,497 +15.4% 132.5 51.2 204.6/km2 (530.0/sq mi)
La Paz 304,088 253,845 +19.8% 37.1 14.3 8,196.4/km2 (21,228.7/sq mi)
Melchor Ocampo 61,220 50,240 +21.9% 14.0 5.4 4,372.9/km2 (11,325.6/sq mi)
Naucalpan 834,434 833,779 +0.1% 157.9 61.0 5,284.6/km2 (13,687.0/sq mi)
Nextlalpan 57,082 34,374 +66.1% 54.7 21.1 1,043.5/km2 (2,702.8/sq mi)
Nezahualcóyotl 1,077,208 1,110,565 −3.0% 63.3 24.4 17,017.5/km2 (44,075.1/sq mi)
Nicolás Romero 430,601 366,602 +17.5% 232.5 89.8 1,852.0/km2 (4,796.8/sq mi)
Nopaltepec 10,351 8,895 +16.4% 82.6 31.9 125.3/km2 (324.6/sq mi)
Otumba 36,331 34,232 +6.1% 141.9 54.8 256.0/km2 (663.1/sq mi)
Ozumba 30,785 27,207 +13.2% 47.4 18.3 649.5/km2 (1,682.1/sq mi)
Papalotla 4,862 4,147 +17.2% 3.2 1.2 1,519.4/km2 (3,935.2/sq mi)
San Martín de las Pirámides 29,182 24,851 +17.4% 69.9 27.0 417.5/km2 (1,081.3/sq mi)
Tecámac 547,503 364,579 +50.2% 156.9 60.6 3,489.5/km2 (9,037.8/sq mi)
Temamatla 14,130 11,206 +26.1% 29.2 11.3 483.9/km2 (1,253.3/sq mi)
Temascalapa 43,593 35,987 +21.1% 164.6 63.6 264.8/km2 (685.9/sq mi)
Tenango del Aire 11,359 10,578 +7.4% 38.0 14.7 298.9/km2 (774.2/sq mi)
Teoloyucan 65,459 63,115 +3.7% 31.0 12.0 2,111.6/km2 (5,469.0/sq mi)
Teotihuacán 58,507 53,010 +10.4% 83.2 32.1 703.2/km2 (1,821.3/sq mi)
Tepetlaoxtoc 32,564 27,944 +16.5% 178.9 69.1 182.0/km2 (471.4/sq mi)
Tepetlixpa 20,500 18,327 +11.9% 43.1 16.6 475.6/km2 (1,231.9/sq mi)
Tepotzotlán 103,696 88,559 +17.1% 207.1 80.0 500.7/km2 (1,296.8/sq mi)
Tequixquiac 39,489 33,907 +16.5% 122.5 47.3 322.4/km2 (834.9/sq mi)
Texcoco 277,562 235,151 +18.0% 428.1 165.3 648.4/km2 (1,679.2/sq mi)
Tezoyuca 47,044 35,199 +33.7% 16.3 6.3 2,886.1/km2 (7,475.1/sq mi)
Tlalmanalco 49,196 46,130 +6.6% 160.2 61.9 307.1/km2 (795.4/sq mi)
Tlalnepantla de Baz 672,202 664,225 +1.2% 80.4 31.0 8,360.7/km2 (21,654.2/sq mi)
Tonanitla 14,883 10,216 +45.7% 9.0 3.5 1,653.7/km2 (4,283.0/sq mi)
Tultepec 157,645 91,808 +71.7% 26.8 10.3 5,882.3/km2 (15,235.0/sq mi)
Tultitlán 516,341 524,074 −1.5% 66.0 25.5 7,823.3/km2 (20,262.4/sq mi)
Valle de Chalco 391,731 357,645 +9.5% 46.7 18.0 8,388.2/km2 (21,725.5/sq mi)
Villa del Carbón 51,498 44,881 +14.7% 303.3 117.1 169.8/km2 (439.8/sq mi)
Zumpango 280,455 159,647 +75.7% 223.6 86.3 1,254.3/km2 (3,248.5/sq mi)
State of Mexico 12,254,762 11,031,743 +11.1% 6,925.0 2,673.8 1,946.7/km2 (5,042.0/sq mi)

Geography and environment

Comparative map of the original extent of the system of lakes and the current extent of today's urban area

Greater Mexico City spreads over the valley of Mexico, also called the valley of Anáhuac, a 9,560 km2 (3,691 sq mi) valley that lies at an average of 2,240 m (7,349 ft) above sea level. Originally, a system of interconnected lakes occupied a large area of the valley, of which Lake Texcoco was the largest. Mexico City was built on the island of Tenochtitlan in the middle of the lake. During conquest of Mexico the dikes that protected the city from recurrent floods were destroyed and colonial authorities preferred to drain the water of the lake, which was, for the most part, shallow. In 1900 president Porfirio Díaz inaugurated the Valley's System of Drainage that hinders the growth of water bodies in the valley (and prevents floods). The basin of the valley of Mexico was thus integrated artificially to the Moctezuma river basin which connects to the Pánuco River. The last remnants of the system of lakes are found in the boroughs of Xochimilco and Tláhuac, and in the municipality of Atenco.

The valley of Mexico is surrounded by mountains on all four sides creating a basin with only one small opening at the north, trapping all exhaust emissions of the city. At the southern part of the basin the mountain range reaches an altitude of 3,952 m (12,965 ft) above sea level; and to the east, the volcanoes reach an altitude of more than 5,000 m (16,000 ft). The region receives anti-cyclonic systems, producing weak winds that do not allow for the dispersion of accumulated air pollutants, produced by the 50,000 industries operating in Greater Mexico City and the 4 million vehicles circulating in its roads and highways.[12]

There are several environmental programs in operation in all municipalities of Greater Mexico City. One of them is Hoy No Circula (known in English as "One Day without a Car"), whereby some vehicles with certain ending numbers on their license plates are not allowed to circulate on certain days in an attempt to cut down on pollution and traffic congestion. The program groups vehicles by their ending license plate digits and every weekday vehicles having any of the day's two Hoy no circula digits are banned from circulating. For instance, on Fridays, vehicles with plates ending in 9 or 0 may not drive. This program is controversial since it has resulted in households buying additional vehicles: new cars for higher-income families, or very old and cheap —and thus more polluting— vehicles. Moreover, newer vehicles are exempt from complying with the program—in that they are manufactured with stricter pollution-reduction equipment—a move said to have been pushed by automakers to boost sales of new vehicles.[13]

Other environmental programs include the IMECA (Índice Metropolitano de la Calidad del Aire, "Metropolitan Index of Air Quality") a real-time monitoring of the concentrations of several pollutants on the atmosphere of the valley of Mexico. If the IMECA values reach a critical level, an environmental contingency is declared whereby Hoy No Circula is extended to two days per week, industrial activities are reduced, certain gas power plants shut down, and elementary school entry hours are changed. There has been a decrease in the number of environmental contingencies since the 1990s from more than 5 to only one or zero a year. This is due, among other reasons, to the development of one of the most developed air quality surveillance systems in the region, and to the implementation of industrial controls and to the relocation of some factories.[14]

Political administration

Like it is the case with all trans-municipal metropolitan areas in Mexico, there is no elected government institution in charge of administering the entire metropolitan area. Each municipality is autonomous to administer its local affairs, regulated by the government of the states they belong to. However, unlike some other large metropolitan areas that are entirely contained in one state, like Greater Guadalajara and Greater Monterrey in which the state government coordinates metropolitan activities, Greater Mexico City spreads over three federal entities—two states and the Federal District—and therefore most of the metropolitan projects have to be agreed upon by government officials of each federal entity and/or overseen by the federal government—since the budget of the Federal District is approved by the Congress of the Union, being the capital of the federation—or through metropolitan commissions.


From 1940 and until 1980, Greater Mexico City experienced an intense rate of demographic growth concurrent with the economic policy of import substitution. Mexican industrial production was heavily centralized in Greater Mexico City during this period which produced intense immigration to the city. Close to 52% of the economically active population of Greater Mexico City worked in the industry sector in 1970.[15] This situation changed drastically during the period of 1980 to 2000, in which the economic based shifted to the service sector which in 2000 employed close to 70% of the economically active population in the conurbation.[15] The annual rate of growth decreased sharply as well as the regional and national patterns of immigration: residents are moving out of the core city to the suburbs or to nearby cities, whereas the northern states now receive a larger number of immigrants as new hubs of industrial production. Greater Mexico City's main industries are now related to trade, financial services, insurance companies, telecommunications, informatics and transportation.[15] In spite of the recent shifts in economic production and the decentralization of the economic activity promoted by the government, Greater Mexico City's share of total economic activity in the country is still high, though decreasing. Mexico City proper alone produces $170 billion or 17% of the nation's Gross Domestic Product, larger than any of the states.[16]


Growth of the urban area from 1900 to 2000

Greater Mexico City is the largest metropolitan area in Mexico and the area with the highest population density. According to the 2020 Population Census, 21,804,515 persons lived in this metropolitan area, of which 9,209,944 live in Mexico City proper.[4] Approximately 72% (12.2 million) of the State of México's population live in municipalities that are part of Greater Mexico City's conurbation.

Greater Mexico City was the fastest-growing metropolitan area in the country until the late 1980s. Since then, and through a policy of decentralization in order to reduce the environmental pollutants of the growing conurbation, the annual rate of growth of the agglomeration has decreased, and it is among the lowest of all metropolitan areas in Mexico. The net migration rate of Mexico City proper from 1995 to 2000, however, was negative,[17]which implies that residents are moving to the outer suburbs of the metropolitan area, or to other states of Mexico. In addition, some inner-city suburbs in Mexico City are losing population to outer city suburbs, indicating a continual expansion of Greater Mexico City.

Human development index

The Mexico City boroughs are among the subdivisions with the highest human development in Mexico. Benito Juárez has the highest index (0.944), similar to Australia or Netherlands, while 4 other boroughs are in the national Top 10.[18]

Most metropolitan municipalities in the State of Mexico have a high human development index.[18] Huixquilucan has the highest value with a 0.842 index, the highest in the whole state. Other municipalities with a high index are Coacalco, Cuautitlán Izcalli, Cuautitlán, Texcoco, Tlalnepantla de Baz and Atizapán de Zaragoza. Even though some of these municipalities have some of the wealthiest neighborhoods of the metropolitan area, there is a huge contrast with peripheric low-income suburbs known as "marginal zones" or "lost cities". Some examples are the wealthy suburb of Tecamachalco next to El Molinito shanty town, both in Naucalpan, or Chamapa next to Bosque Real Country Club in Huixquilucan.

Municipalities to the east of Mexico City, such as Nezahualcóyotl, Ecatepec, Valle de Chalco or Chimalhuacán have lower indexes than those located to the west, but also present high HDI values. The bottom municipalities in terms of HDI are Ecatzingo and Villa del Carbón. However, they are located far away from Mexico City's urban area and are considered eminently rural.[18]

Tizayuca has one of the highest HDIs in Hidalgo, although the index is below Greater Mexico City's average.[18]


Mexico City's metro


Greater Mexico City is connected through a private network of toll expressways to the nearby cities of Querétaro, Toluca, Cuernavaca, Pachuca and Puebla. Ring roads are the Circuito Interior (inner ring), Anillo Periférico; the Circuito Exterior Mexiquense ("State of Mexico outer loop") toll road skirting the northeastern and eastern edges of the metropolitan area,[19] the Chamapa-La Venta toll road skirting the northwestern edge, and the Arco Norte completely bypassing the metropolitan area in an arc from west (Toluca) to north (Tula) to east (Puebla). A second level (where tolls are charged) of the Periférico, colloquially called the segundo piso ("second floor"), was officially opened in 2012, with sections still being completed.[20] The Viaducto Miguel Alemán crosses the city east-west from Observatorio to the airport. In 2013 the Supervía Poniente opened, a toll road linking the new Santa Fe business district with southwestern Mexico City. Inside the city, ejes viales; high-volume, mostly one-way roads, cross the city from side to side in a vast numbered system.

Public transport

The most important public transportation is the metro, one of the largest in the world with 226 km and 195 stations, that services Mexico City proper, with some service in Ciudad Nezahualcoyotl and Ecatepec. It is further extended by the Xochimilco Light Rail and the lines A and B. A commuter train, the Tren Suburbano, serve several municipalities of the metropolitan area since it started operating by mid-2007, with new lines planned.

Bus and trolleybus transportation is provided by multiple agencies. Bus rapid transit (BRT) services operate since 2005 Metrobús in Mexico City and since 2010 Mexibús in the State of Mexico.


Unlike other large metropolitan areas, Greater Mexico City is served by only one airport, the Mexico City International Airport, the busiest airport in Latin America but whose traffic exceeds the current capacity. The 2000-2006 federal administrations proposed the construction of a second airport for the metropolitan area, to be located at the municipality of Texcoco. Local residents, however, opposed the project, and the government decided to build a second terminal on the restricted area of the current airport, and decentralize flights to the nearby metropolitan areas of Toluca, Puebla, Pachuca and Cuernavaca.

A second effort to build an alternate airport in Texcoco was partially completed, but it was canceled in late 2018. In its place, a new civilian international airport to replacve the current international airport was authorized on the grounds of Santa Lucía Air Force Base. Construction started on October 17, 2019 with a symbolic ceremony and a short video presentation after all judicial suspensions against the airport were revoked. Two runways and a new terminal are planned during the first phase, due to open by March 21, 2022. The new airport is to be christened General Felipe Ángeles International Airport.[21]


City of Teotihuacan

Important landmarks of Greater Mexico City include the Historic Center of Mexico City, the floating gardens of Xochimilco, the Pre-Hispanic city ruins Teotihuacan, located at the municipality of the same name, all three declared World Heritage sites by UNESCO in 1987. The National Parks at the southern portion of the Federal District (over the mountainous range of Ajusco), the Parks of Popocatépetl and Iztaccíhuatl and the National Reserve of Lake Texcoco are some environmental landmarks of the valley as well.

See also

  • Mexico City megalopolis
  • Metropolitan areas of Mexico
  • List of metropolitan areas by population
  • List of metropolitan areas in the Americas by population
  • List of urban agglomerations by population
  • List of cities in Mexico
  • Demographics of Mexico


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  13. "Experts believe Hoy No Circula only promotes buying new vehicles" (in Spanish). El Financiero. June 23, 2014. Retrieved March 23, 2021.
  14. "Environmental Contingencies in Mexico City: Unusual causes behind air pollution" (in Spanish). BBC Mundo. May 15, 2019. Retrieved March 23, 2021.
  15. Expansión y Reconversión Económica de la Zona Metropolitana del Valle de México, Una Mirada de 1970 a 2000 by Rodolfo Montaño Salazar, UNAM
  16. Producto Interno Bruto por entidad federativa Archived 2007-07-14 at the Wayback Machine, INEGI
  17. "Censo de Población y Vivienda 2000 - SCITEL" (in Spanish). INEGI. Retrieved January 27, 2021.
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  19. "Archived copy". Archived from the original on 2013-12-20. Retrieved 2013-09-21.CS1 maint: archived copy as title (link)
  20. "Abre Ebrard segundos pisos (Ebrard opens "second levels")". Reforma (newspaper). December 4, 2012.
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