
Prospect
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 4.082
- State:
- Pennsylvania
Prospect is a borough located in Butler County, Pennsylvania. Prospect has a 2025 population of 1,071. Prospect is currently declining at a rate of -0.93% annually and its population has decreased by -4.37% since the most recent census, which recorded a population of 1,120 in 2020.
The average household income in Prospect is $94,875 with a poverty rate of 6.25%. The median age in Prospect is 45.5 years: 46.4 years for males, and 42.6 years for females.