  summit township is a township in butler county, pennsylvania, united states. the population was 4,884 at the 2010 census. ==geography== summit township is located in east-central butler county, just east of the city of butler, the county seat. the township surrounds the borough of east butler but is separate from it. the unincorporated communities of herman, brinker, vogleyville, bonnie brook, wadsworth, and carbon center are located in the township. u.s. route 422, the benjamin franklin highway, crosses the township, connecting butler to the west with kittanning to the east. according to the united states census bureau, the to
Pittsburgh_metropolitan_area Populated_places_established_in_1796 Townships_in_Butler_County,_Pennsylvania Townships_in_Pennsylvania