
Foster township
- County:
- Luzerne County
- County Seat:
- No
- Area (mi²):
- 44.71
- State:
- Pennsylvania
Foster township is located in Luzerne County, Pennsylvania. Foster township has a 2025 population of 3,487. Foster township is currently growing at a rate of 0.32% annually and its population has increased by 2.29% since the most recent census, which recorded a population of 3,409 in 2020.
The average household income in Foster township is $76,793 with a poverty rate of 11.66%. The median age in Foster township is 55.4 years: 55.8 years for males, and 52.3 years for females.