Union Township
Township
Location in Delaware County
Coordinates: 42°20′35″N 91°18′55″W / 42.34306°N 91.31528°W / 42.34306; -91.31528
Country	United States
State	Iowa
County	Delaware
Area
• Total	29.81 sq mi (77.2 km2)
• Land	29.8 sq mi (77.19 km2)
• Water	0.01 sq mi (0.02 km2)  0.03%
Elevation	902 ft (275 m)
Population  (2000)
• Total	292
• Density	9.8/sq mi (3.8/km2)
GNIS feature ID	0468818

Union Township is a township in Delaware County, Iowa, United States. As of the 2000 census, its population was 292.^[1]

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.

• 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/

• 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)

The township contains two cemeteries: Buck Creek and Grove Creek.

• U.S. Board on Geographic Names (GNIS)
• United States Census Bureau cartographic boundary files

• US-Counties.com
• City-Data.com