[3] Hovey Township occupies a narrow strip of land between the Allegheny River to the east and the Butler County border to the west, ending where the river intersects the county line.
Pennsylvania Route 268 runs the length of the township along the Allegheny River, leading north 2 miles (3 km) to Emlenton and south beyond Parker 28 miles (45 km) to West Kittanning.
Pennsylvania Route 58 crosses the township east–west, leading east across the river to Foxburg and Sligo and west via Eau Claire to Grove City.
According to the United States Census Bureau, the township has a total area of 2.2 square miles (5.6 km2), all land.
26.3% of all households were made up of individuals, and 5.3% had someone living alone who was sixty-five years of age or older.