Union Township, Delaware County, Iowa

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
(This list is based on USGS data and may include former settlements.)
 * Buck Creek

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.