Union Township is one of twenty townships in Benton County, Iowa, United States. As of the 2000 census, its population was 996.

Geography

According to the United States Census Bureau, Union Township covers an area of 35.88 square miles (92.92 square kilometers).

Cities, towns, villages

• Van Horne

Adjacent townships

• Big Grove Township (north)
• Eden Township (northeast)
• Eldorado Township (east)
• St. Clair Township (southeast)
• Leroy Township (south)
• Iowa Township (southwest)
• Kane Township (west)
• Homer Township (northwest)

Cemeteries

The township contains these two cemeteries: Bender and Calvary Catholic.

Major highways

• U.S. Route 30

School districts

• Benton Community School District

Political districts

• Iowa's 3rd congressional district
• State House District 39
• State Senate District 20