Colonia, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Colonia, New Jersey is 18,294 as of the 2023 American Community Survey, making it the 67th-largest city in New Jersey. The median household income is $134,301, the median home value is $473,200, and the median age is 43.3.
18,294
Population
4539
People / sq mi
$134,301
Median Income
$473,200
Median Home Value
Colonia covers 4.0 sq mi of land at 4539 people per square mile.
About Colonia, NJ
Colonia is a city in New Jersey with a population of 18,294. It ranks #67 among cities in New Jersey by population. The median age is 43.3, older than the national median. The population is 48.7% male and 51.3% female.
The median household income in Colonia is $134,301, above the US median of $74,580. 3.4% of residents live below the federal poverty level. Home values sit at a median of $473,200, with monthly rent averaging $1,964. The homeownership rate of 88.2% is higher than the national rate of 64.8%.
Educational attainment in Colonia reflects 46.5% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 13.8% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 33.1 minutes each way.
Race & Ethnicity
| White | 65.5% |
| Black or African American | 4.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Economy & Income
$134,301
Median Household Income
$51,419
Per Capita Income
3.4%
Poverty Rate
2.8%
Unemployment Rate
Housing
$473,200
Median Home Value
$1,964
Median Rent
88.2%
Owner-Occupied
Education
91.7%
High School+
46.5%
Bachelor's+
Commute
2.6%
Drive Alone
75.7%
Public Transit
13.8%
Work From Home
33.1 min
Avg Commute
Community Profile
13.3%
Foreign Born
64.1%
Non-English at Home
3.1%
Veterans
9.3%
With Disability
95.0%
Health Insurance
95.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.7% |
| Finance, Insurance & Real Estate | 14.2% |
| Information | 11.2% |
| Construction | 7.8% |
| Manufacturing | 7.4% |
| Arts, Entertainment & Food Services | 5.5% |
| Education, Health Care & Social Services | 5.4% |
| Retail Trade | 4.5% |
| Public Administration | 4.4% |
| Transportation & Warehousing | 2.0% |
Largest cities in New Jersey
Largest counties in New Jersey
Part of New Jersey
Metro areas in New Jersey
City rankings
Frequently Asked Questions
Colonia, New Jersey has a population of 18,294 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 67th-largest city in New Jersey.
The median household income in Colonia, New Jersey is $134,301, with 3.4% of residents living below the federal poverty level.
The median home value in Colonia, New Jersey is $473,200, with median monthly rent at $1,964 and a homeownership rate of 88.2%.
The median age in Colonia, New Jersey is 43.3 years. The population is 48.7% male and 51.3% female.
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Statewide data for New Jersey
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.