
Cornwall
- County:
- Lebanon County
- County Seat:
- No
- Area (mi²):
- 9.703
- State:
- Pennsylvania
Cornwall is a borough located in Lebanon County, Pennsylvania. Cornwall has a 2025 population of 4,630. Cornwall is currently growing at a rate of 0.09% annually and its population has increased by 0.46% since the most recent census, which recorded a population of 4,609 in 2020.
The average household income in Cornwall is $117,530 with a poverty rate of 3.36%. The median age in Cornwall is 56.6 years: 51.4 years for males, and 63.1 years for females.