
Lebanon
- County:
- Lebanon County
- County Seat:
- Yes
- Area (mi²):
- 4.167
- State:
- Pennsylvania
Lebanon is a city located in Lebanon County, Pennsylvania. Lebanon has a 2025 population of 26,100. It is also the county seat of .Lebanon is currently declining at a rate of -0.53% annually and its population has decreased by -2.59% since the most recent census, which recorded a population of 26,794 in 2020.
The average household income in Lebanon is $60,831 with a poverty rate of 22.92%. The median age in Lebanon is 38.4 years: 36.4 years for males, and 40 years for females.