Colonia Flag

Colonia

County Seat:
No
Area (mi²):
4.03
State:
New Jersey

Colonia is a CDP located in Middlesex County, New Jersey. Colonia has a 2026 population of 18,409. Colonia is currently growing at a rate of 0.21% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Colonia is $122,713 with a poverty rate of 7.43%. The median age in Colonia is 43.6 years: 41.6 years for males, and 45.4 years for females. For every 100 females there are 95.3 males.

18.4K
Total Population
4,568
Density (mi²)
38 0.21%
Growth

Colonia 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)