Summerhill Township is a township in Crawford County, Pennsylvania, United States. The population was 1,197 at the 2020 census, down from 1,236 at the 2010 census.

Crawford County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 83,938. Its county seat is Meadville. The county was created on March 12, 1800, from part of Allegheny County and named for Colonel William Crawford. The county is part of the Northwest Pennsylvania region of the state.