
Bethlehem
- County:
- Lehigh County
- County Seat:
- No
- Area (mi²):
- 19.115
- State:
- Pennsylvania
Bethlehem is a city located in Lehigh County, Pennsylvania. Bethlehem has a 2025 population of 80,034. Bethlehem is currently growing at a rate of 1.1% annually and its population has increased by 5.73% since the most recent census, which recorded a population of 75,699 in 2020.
The average household income in Bethlehem is $92,853 with a poverty rate of 15.79%. The median age in Bethlehem is 36.2 years: 34.3 years for males, and 38 years for females.