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 2025 population of 18,778. Colonia is currently growing at a rate of 0.35% annually and its population has increased by 5.6% since the most recent census, which recorded a population of 17,782 in 2020.

The average household income in Colonia is $151,367 with a poverty rate of 5.86%.The median age in Colonia is 43.3 years: 41.4 years for males, and 45.3 years for females.

18.8K
Total Population
4,660
Density (mi²)
66 0.35%
Growth

Colonia Population

Colonia Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Colonia includes 65.54% White, 14.16% Asian, 7.48% other race, 4.38% Black or African American, and smaller percentages for Native American and multiracial populations.

Population by Race

White (65.5%)

Asian (14.2%)

Two or more races (8.4%)

Other race (7.5%)

Black or African American (4.4%)

Native American (0.1%)

Race
Population
Percentage (of total)
White11,98965.54%
Asian2,59014.16%
Two or more races1,5348.39%
Other race1,3687.48%
Black or African American8024.38%
Native American110.06%

Colonia Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Colonia's average per capita income is $72,963. Household income levels show a median of $134,301. The poverty rate stands at 5.86%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$156,630-
Families$145,646$167,323
Households$134,301$151,367
Non Families$49,578$79,074

$72,963

Average Income

$134,301

Median Household Income

5.86%

Poverty Rate

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)