Mercer Flag

Mercer

County:
Mercer County
County Seat:
Yes
Area (mi²):
1.157
State:
Pennsylvania

Mercer is a borough located in Mercer County, Pennsylvania. Mercer has a 2026 population of 1,922. It is also the county seat of Mercer County. Mercer is currently declining at a rate of -0.62% annually and its population has decreased by -3.03% since the most recent census, which recorded a population of 1,982 in 2020.

1.9K
Total Population
1,661
Density (mi²)
-12 -0.62%
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)