Boonville Township, Cooper County, Missouri
Boonville Township is one of fourteen townships in Cooper County, Missouri, USA. As of the 2000 census, its population was 9,898. Geography. According to the United States Census Bureau, Boonville Township covers an area of 53.47 square miles (138.5 square kilometers); of this, is land and 1.65 square miles (4.27 square kilometers, 3.08 percent) is water. (This list is based on USGS data and may include former settlements.) Cemeteries. The township contains Walnut Grove Cemetery.