
Avalon
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 0.617
- State:
- Pennsylvania
Avalon is a borough located in Allegheny County, Pennsylvania. Avalon has a 2025 population of 4,473. Avalon is currently declining at a rate of -1.26% annually and its population has decreased by -6.03% since the most recent census, which recorded a population of 4,760 in 2020.
The average household income in Avalon is $73,439 with a poverty rate of 13.8%. The median age in Avalon is 44.3 years: 39.3 years for males, and 52.7 years for females.