Monessen Flag

Monessen

County Seat:
No
Area (mi²):
2.887
State:
Pennsylvania

Monessen is a city located in Westmoreland County, Pennsylvania. Monessen has a 2026 population of 6,704. Monessen is currently declining at a rate of -0.36% annually and its population has decreased by -2.29% since the most recent census, which recorded a population of 6,861 in 2020.

6.7K
Total Population
2,322
Density (mi²)
-24 -0.36%
Growth