
Harwick
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 0.442
- State:
- Pennsylvania
Harwick is a CDP located in Allegheny County, Pennsylvania. Harwick has a 2025 population of 853. Harwick is currently declining at a rate of -0.35% annually and its population has decreased by -3.29% since the most recent census, which recorded a population of 882 in 2020.
The average household income in Harwick is $73,345 with a poverty rate of 13.74%. The median age in Harwick is 57.7 years: 57.3 years for males, and 59.9 years for females.