Union Township is one of ten townships in Gibson County, Indiana. As of the 2020 census, its population was 4,399 (up from 4,197 at 2010) and it contained 1,938 housing units, more than 90% of which live either within or in areas adjacent to the town of Fort Branch. Fort Branch is the township seat. Nearly all of the Toyota Motor Manufacturing Indiana Complex is located within Union Township.

Union Township was established in 1890.

Geography According to the 2010 census, the township has a total area of , of which (or 99.76%) is land and (or 0.24%) is water.

Cities and towns Fort Branch

Unincorporated towns Durham (extinct) Port Gibson (extinct) Snake Run

Adjacent townships Patoka Township (north) Center Township (northeast) Barton Township (east) Johnson Township (south) Montgomery Township (west)

Cemeteries The township contains three cemeteries: Durham, Mount Mariah and Walnut Hill.

Major highways Interstate 69; Traverses the southeastern corner of the township U.S. Route 41; Bisects the township from south to north State Road 168; bisects the township from west to east.

Education Union Township is the center of the South Gibson School Corporation.

Public schools Fort Branch Community School Gibson Southern High School

Higher Education Vincennes University Advanced Manufacturing Campus

Private schools Holy Cross Catholic Academy - Fort Branch

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

External links Indiana Township Association United Township Association of Indiana