Jackson Township is one of seventeen townships in Adair County, Iowa, USA. At the 2020 census, its population was 270. History Jackson Township was organized in 1861. Geography Jackson Township covers an area of and contains one incorporated settlement, Bridgewater. According to the USGS, it contains three cemeteries: Bryant, Cears and Saint Mary's. References External links US-Counties.com City-Data.com Townships in Adair County, Iowa Townships in Iowa 1861 establishments in Iowa