Union Township is a township in Delaware County, Iowa, United States. As of the 2000 census, its population was 292.
Geography Union Township covers an area of 29.81 square miles (77.2 square kilometers); of this, 0.01 square miles (0.02 square kilometers) or 0.03 percent is water. The streams of Buck Creek, Lime Creek and Plum Creek run through this township.
Unincorporated towns Buck Creek (This list is based on USGS data and may include former settlements.)
https://pubs.lib.uiowa.edu/annals-of-iowa/article/11033/galley/119590/view/
Adjacent townships Delhi Township (north) South Fork Township (east) Castle Grove Township, Jones County (south) Boulder Township, Linn County (southwest) Hazel Green Township (west) Milo Township (northwest)
Cemeteries The township contains two cemeteries: Buck Creek and Grove Creek.
References U.S. Board on Geographic Names (GNIS) United States Census Bureau cartographic boundary files
External links US-Counties.com City-Data.com