Marietta Flag

Marietta

County Seat:
No
Area (mi²):
0.747
State:
Pennsylvania

Marietta is a borough located in Lancaster County, Pennsylvania. Marietta has a 2026 population of 2,952. Marietta is currently declining at a rate of -0.2% annually but its population has increased by 12.71% since the most recent census, which recorded a population of 2,619 in 2020.

3K
Total Population
3,953
Density (mi²)
-6 -0.2%
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)