The municipality, mostly flat, is located at an average altitude of 711 meters above sea level, the highest point being El Ventorro del Cano, located in the north of the municipality.
Apparently, this place has been inhabited since prehistoric times.
The name is of Arabic origin, but little was known about Alcorcón before the Reconquista.
The first written mention of Alcorcón is in a court document dated July 28, 1208, in the context of the territorial conflict over El Real de Manzanares [es] between the city councils of Madrid and Segovia, which took place in the Middle Ages.
The parish church of Santa Maria la Blanca was built in the 16th and 17th centuries.
Alcorcón retained the urban structure characteristic of a small rural community until the 1960s.
The center is surrounded by modern development as Alcorcón has grown rapidly since that decade.
As announced in February 2013, Alcorcón was a pilot construction site for the Eurovegas casino resort project, officially canceled in December 2013.
Agriculture and livestock farming are practically undeveloped, and only 0.04% of the municipality's GDP is collected from these activities.
Mining, industrial and energy activities account for 11.09% of the money collected under this economic measure.
8.17% of the registers in the social security system called Tesorería General de la Seguridad Social were associated with the body of professions of this sector.
Construction activity accounts for 7.28% of GDP, and 10.65% of the registers in the Tesorería General de la Seguridad Social come from positions in this sector.
10.57% of residents work in the trade and hospitality sectors, while 12.37% have transport and