It is located in the eastern part of the state, just east of Chimalhuacán and northeast of the Federal District (Distrito Federal), within the Greater Mexico City urban area.

It had a 2005 census population of 168,591 inhabitants, or over 99 percent of its municipality's total of 170,035.

[1] The site's long history of settlement provides important insight into the relationship between urban centers and their hinterlands.

The city has, since 2006, a community portal which generates collaborative contents such as news, photos, radio and TV programs online.

The portal is an initiative of civil society independent from the local government, the religion or the political party.