Summit Township is a township in Erie County, Pennsylvania. The population was 7,341 at the time of the 2020 census, up from 6,603 at the 2010 census.

Erie County is a county in the Commonwealth of Pennsylvania. It is the northernmost county in Pennsylvania. As of the 2020 census, the population was 270,876. Its county seat is Erie. The county was created in 1800 and later organized in 1803. The county is part of the Northwest Pennsylvania region of the state.