Washington township Flag

Washington township

County:
Warren County
County Seat:
No
Area (mi²):
44.584
State:
New Jersey

Washington township is located in Warren County, New Jersey. Washington township has a 2026 population of 18,424. Washington township is currently growing at a rate of 0.16% annually and its population has increased by 1.49% since the most recent census, which recorded a population of 18,153 in 2020.

The median household income in Washington township is $165,651 with a poverty rate of 2.5%. The median age in Washington township is 46.2 years: 44.6 years for males, and 47.2 years for females. For every 100 females there are 98.1 males.

18.4K
Total Population
413
Density (mi²)
30 0.16%
Growth

Washington township 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)