
Hartleton
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 0.908
- State:
- Pennsylvania
Hartleton is a borough located in Union County, Pennsylvania. Hartleton has a 2025 population of 246. Hartleton is currently declining at a rate of -0.4% annually and its population has decreased by -1.6% since the most recent census, which recorded a population of 250 in 2020.
The average household income in Hartleton is $83,495 with a poverty rate of 6.75%. The median age in Hartleton is 50.8 years: 48.5 years for males, and 53.3 years for females.