Poyner Township is one of seventeen rural townships in Black Hawk County, Iowa, USA. As of the 2000 census, its population was 2581.HistoryThe township was named for Nathan Poyner, a pioneer minister.GeographyPoyner Township covers an area of 35.26sqmi and contains two incorporated settlements: Gilbertville and Raymond. According to the USGS, it contains four cemeteries: Poyner Township, Saint Joseph's, Saint Mary's and Saint Mary's Catholic.