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 2025 population of 5,951. Mount Arlington is currently growing at a rate of 0.17% annually and its population has increased by 0.86% since the most recent census, which recorded a population of 5,900 in 2020.

The average household income in Mount Arlington is $112,363 with a poverty rate of 6.29%.The median age in Mount Arlington is 45.7 years: 43.9 years for males, and 48.5 years for females.

6K
Total Population
2,778
Density (mi²)
10 0.17%
Growth

Mount Arlington Population

Demographics

Economics and Income Statistics

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)