
Reservoir
- County:
- Blair County
- County Seat:
- No
- Area (mi²):
- 0.455
- State:
- Pennsylvania
Reservoir is a CDP located in Blair County, Pennsylvania. Reservoir has a 2025 population of 86. Reservoir is currently growing at a rate of 7.5% annually and its population has increased by 68.63% since the most recent census, which recorded a population of 51 in 2020.
The average household income in Reservoir is $43,029 with a poverty rate of 0%. The median age in Reservoir is 74.5 years: 75.5 years for males, and 73.6 years for females.