Harwick is a census-designated place (CDP) in

Allegheny County Allegheny County ( ) is a county in Pennsylvania, United States. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county, after Philadelphia County. Its county seat and most populous city is Pit ...

Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...

, United States, and is located within Springdale Township. As of the 2020 census, it had a population of 850.

Demographics

References

Census-designated places in Allegheny County, Pennsylvania Census-designated places in Pennsylvania {{AlleghenyCountyPA-geo-stub