East Lancaster Township is a township in Keokuk County, Iowa, USA.[1] References [1]U.S. Geological Survey Geographic Names Information System: East Lancaster Township, Keokuk County, Iowa 42°16′N 92°07′W This article about the geography of Keokuk County, Iowa is a stub. You can help Wikipedia by expanding it.vteWikiwand - on Seamless Wikipedia browsing. On steroids.