Until the 18th century, Haaren belonged (together with Verlautenheide and Würselen) a district of the Free Imperial City of Aachen.

Haaren and Verlautenheide were administered independently under the French Mairie system and, beginning in 1801, belonged officially to France after the Treaty of Lunéville.

[3] In the 1920s, Haaren was mainly a working-class suburb for factories on Jülicher Straße (Jülich Street) in northeast Aachen.

Additionally, the Catholic Church of St Germanus is a neo-gothic structure that was erected in 1890-92, heavily damaged in 1944, and rebuilt in 1948.

The keystone above the main entrance bears the inscription “1692”, but the estate was listed in the directory of the city of Aachen as early as the 13th century.

The group offers competitive sports such as Association football, Tennis and Hapkido, a Korean martial art.