Map - Coatlinchan (San Miguel Coatlinchán)

Coatlinchan is a town in the Mexican state of Mexico.

San Miguel Coatlinchán (in Nahuatl: Coatl, in, chantli, 'snake, possessive prefix, home' 'In the home of the snakes') is a locality of the state of Mexico, in the municipality of Texcoco. Nearby was the original location of the monolith of Tláloc, located today at the entrance of the National Museum of Anthropology in Mexico City.

San Miguel Coatlinchán is in the south of the municipality of Texcoco and about 5 km south of the municipal seat of the city of Texcoco de Mora, in the transition zone between the Valley of Mexico and the foot of the Sierra Nevada. Elevation is denominated Sierra Quetzaltepec of which descends the stream Coatlinchán through the Barranca of Santa Clara.

Its geographical coordinates are 19°26'56 "N 98°52'20" W, and its altitude is 2,300 m above sea level. Its main route of communication is the Federal Highway 136, former Mexico-Texcoco Highway and with which it is linked by two secondary branches; along the road are other communities of the municipality as San Bernardino, Montecillo and Santiago Cuautlalpan.

According to the Census of Population and Housing, conducted by the National Institute of Statistics and Geography in 2010, the total population of San Miguel Coatlinchán is 22,619 people, of which 11,089 are men and 11,530 are women. What makes it the second-most populated town in the municipality of Texcoco.