Slippery Rock Township, Lawrence County, Pennsylvania

Slippery Rock Township is a township in Lawrence County, Pennsylvania, United States. The population was 3,283 at the 2010 census.HistoryThe township was linked to New Castle, Ellwood City and Pittsburgh in 1908 by the Pittsburgh, Harmony, Butler and New Castle Railway, an interurban trolley line. The line closed on 15 June 1931, and the trolleys were replaced by buses.McConnell's Mill Covered Bridge was listed on the National Register of Historic Places in 1980.GeographyAccording to the United States Census Bureau, the township has a total area of 30.2mi2, of which 30.1mi2 is land and 0.1mi2, or 0.26%, is water.Located within Slippery Rock Township is McConnells Mill State Park along the Slippery Rock Creek Gorge.DemographicsAs of the census of 2000, there were 3,179 people, 1,203 households, and 916 families residing in the township. The population density was 105.5 people per square mile (40.7/km²). There were 1,285 housing units at an average density of 42.7/sq mi (16.5/km²). The racial makeup of the township was 99.18% White, 0.06% African American, 0.19% Native American, 0.13% Asian, 0.13% from other races, and 0.31% from two or more races. Hispanic or Latino of any race were 0.38% of the population.