
Leetsdale
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 0.999
- State:
- Pennsylvania
Leetsdale is a borough located in Allegheny County, Pennsylvania. Leetsdale has a 2025 population of 1,098. Leetsdale is currently declining at a rate of -1.17% annually and its population has decreased by -5.51% since the most recent census, which recorded a population of 1,162 in 2020.
The average household income in Leetsdale is $77,767 with a poverty rate of 4.04%. The median age in Leetsdale is 44.7 years: 40.8 years for males, and 47.4 years for females.