
Hartley township
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 79.602
- State:
- Pennsylvania
Hartley township is located in Union County, Pennsylvania. Hartley township has a 2025 population of 1,703. Hartley township is currently declining at a rate of -0.64% annually and its population has decreased by -2.46% since the most recent census, which recorded a population of 1,746 in 2020.
The average household income in Hartley township is $77,664 with a poverty rate of 13.3%. The median age in Hartley township is 46.4 years: 48.9 years for males, and 45.6 years for females.