Jackson Township, Adair County, IowaJackson Township is one of seventeen townships in Adair County, Iowa, USA. At the 2020 census, its population was 270.HistoryJackson Township was organized in 1861.GeographyJackson 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.