La Magdalena Contreras is a borough in Mexico City. As of the 2010 census, it has a population of 239,086 inhabitants and is the third-least populous of Mexico City's boroughs. It lies at an elevation of 2,365 m (7,759 ft) above sea level. It is named after two historically important communities—La Magdalena Atlitic and Colonia Contreras. The northern end of the borough is urbanized. The rest of M…