Summerhill Township, Crawford County, Pennsylvania

The borough of Conneautville, a separate municipality, is along the township's northern border.

Conneaut Creek, a tributary of Lake Erie, flows from south to north through the western part of the township.

According to the United States Census Bureau, the township has a total area of 25.4 square miles (65.8 km2), of which 0.02 square miles (0.05 km2), or 0.08%, is water.

[4] As of the census[6] of 2000, there were 1,350 people, 427 households, and 315 families residing in the township.

21.8% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.