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Population Review

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

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Colonia covers 4.0 sq mi of land at 4539 people per square mile.

About Colonia, NJ

Homeownership is the standout figure in Colonia: 88.2% of homes are owner-occupied, higher than the national rate. Colonia is a city in New Jersey with a population of 18,294.

The typical household earns $134,301 a year, above the US median of $78,538. The poverty rate, 3.4%, is on the lower side for US cities and below the national 12.4%. The median home value is $473,200, with typical rent around $1,964.

College attainment is above the local norm at 46.5%, above the national 35.0%. Around 13.8% of workers work from home, close to the national 14.0%, and the average commute runs about 33 minutes each way.

The ownership rate anchors the housing story in Colonia, and tends to move with the age structure and home-value figures above.

Race & Ethnicity

White65.5%
Black or African American4.4%
Asian0.0%
Hispanic or Latino (any race)1.5%
Two or More Races0.0%

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 & Management23.7%
Finance, Insurance & Real Estate14.2%
Information11.2%
Construction7.8%
Manufacturing7.4%
Arts, Entertainment & Food Services5.5%
Education, Health Care & Social Services5.4%
Retail Trade4.5%
Public Administration4.4%
Transportation & Warehousing2.0%

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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.


Colonia Cdp, NJ Climate

Colonia Cdp, NJ has an average annual temperature of 11.8°C (53°F) and receives about 1243 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.

11.8°C

Avg Temp

1243

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month

-10°0°10°20°30°127mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Colonia Cdp, NJ — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January-1° / 30°98 mm
February1° / 33°77 mm
March5° / 41°104 mm
April11° / 51°104 mm
May17° / 62°116 mm
June21° / 70°99 mm
July24° / 76°127 mm
August23° / 74°111 mm
September19° / 67°111 mm
October13° / 55°95 mm
November7° / 45°105 mm
December2° / 36°96 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Colonia Cdp, NJ

The most comfortable months to visit Colonia Cdp, NJ are typically June, September and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -6°C low). July is usually the wettest month.

JuneSeptemberAugust

Where to stay near Colonia

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Top-rated places to stay near Colonia

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Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.