Prospect Flag

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 2026 population of 1,082. Prospect is currently declining at a rate of -0.73% annually and its population has decreased by -3.39% since the most recent census, which recorded a population of 1,120 in 2020.

1.1K
Total Population
265
Density (mi²)
-8 -0.73%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)