Mount Arlington Flag

Mount Arlington

County:
Morris County
County Seat:
No
Area (mi²):
2.142
State:
New Jersey

Mount Arlington is a borough located in Morris County, New Jersey. Mount Arlington has a 2026 population of 5,979. Mount Arlington is currently growing at a rate of 0.18% annually and its population has increased by 1.37% since the most recent census, which recorded a population of 5,898 in 2020.

6K
Total Population
2,791
Density (mi²)
11 0.18%
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)