page_title: Affoltern (Zürich)
section_title: History and demographics
hierarchical_section_title: Affoltern (Zürich) / History and demographics
caption_attribution_description: Reformierte Kirche in Zürich-Unteraffoltern (Switzerland)
context_page_description: Affoltern is a quarter in the district 11 in Zürich, located in the Glatt Valley.
context_section_description: Affoltern was first mentioned in 870 as Affaltrahe, and in the 9th century it was reigned by the St. Gallen Abbey, in the 12th/13th century by the House of Regensberg who built their ancestral seat Altburg nearby, followed in 1468 by the city of Zürich as part of the Obervogtei Regensberg ending in 1798. Affoltern was then after a municipality of its own, having been incorporated into the city Zürich in 1934. As today, Affoltern consists of the former settlements (Fraktionen) Ober- und Unter-Affoltern.
  The quarter has a population of 22'972 (2010) distributed on an area of 6.04 km², and is separated by the Käferberg from the inner city.
caption: Reformed church in Unteraffoltern
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