
Mount Gretna Heights
- County:
- Lebanon County
- County Seat:
- No
- Area (mi²):
- 0.189
- State:
- Pennsylvania
Mount Gretna Heights is a CDP located in Lebanon County, Pennsylvania. Mount Gretna Heights has a 2025 population of 216. Mount Gretna Heights is currently declining at a rate of -3.14% annually and its population has decreased by -24.48% since the most recent census, which recorded a population of 286 in 2020.
The average household income in Mount Gretna Heights is $122,439 with a poverty rate of 2.03%. The median age in Mount Gretna Heights is 35.6 years: 22.4 years for males, and 41.1 years for females.