Union Township is a township in Davis County, Iowa, USA.

[1] Union Township was organized in 1846.

The streams of Burr Oak Creek, Hickory Creek, Locke Branch and South Chequest Creek run through this township.

[citation needed] (This list is based on USGS data and may include former settlements.

)[citation needed] The township contains seven cemeteries: Arney, Clark, Cupp Grave, Fountain, Richardson, Rouch and Troy.