Ecatepec Region
Region V is an intrastate region within the State of Mexico. It lies to the north of Mexico City in the Valley of Mexico, borders the state of Hidalgo, and the whole region is one of 10 regions in the state which comprise the Metropolitan Area of the Valley of Mexico, but the least populated least dense and furthest municipality is not included in the definition of Mexico City Metropolitan Area. The region comprises five cities, Ecatepec de Morelos,
Otumba,
Tecámac,
Temascalapa,
and Acolman.
| Municipality | Area 2010 | Population 2010 Census | Population density |
| Acolman | 86.88 | 136,558 | 1,587/km2 |
| Axapusco | 260.01 | 25,559 | 98/km2 |
| Ecatepec de Morelos | 160.17 | 1,656,107 | 10,259/km2 |
| Nopaltepec | 208.8 | 8,895 | 42/km2 |
| Otumba | 143.42 | 34,232 | 240/km2 |
| San Martín de las Pirámides | 67.22 | 24,851 | 370/km2 |
| Tecámac | 157 | 364,579 | 2,318/km2 |
| Temascalapa | 168.26 | 35,987 | 214/km2 |
| Teotihuacán | 83.16 | 53,010 | 638/km2 |
| Region V Ecatepec | 1332 | 2,339,778 | 1750/km2 |