Union Township is one of eighteen townships in Appanoose County, Iowa, United States. As of the 2010 census, its population was 157. History Union Township was founded in 1848. Geography Union Township covers an area of and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Albany, Knapp and Sales. References External links US-Counties.com City-Data.com Townships in Appanoose County, Iowa Townships in Iowa 1848 establishments in Iowa Populated places established in 1848