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Colonia, New Jersey

Census designated place in Middlesex County, New Jersey

Population, 2000 to 2020+4.5%
17.5k18k18.5k19k2000: 17,81120002010: 17,79520102020: 18,609202017,81118,609
Population of Colonia at each census
CensusPopulation
200017,811
201017,795
202018,609

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 34, retrieved November 14, 2026.

Colonia compared with its county and state
Colonia compared with its county and state, American Community Survey 2019-2023
MeasureColoniaMiddlesex CountyNew Jersey
Population18,294861,5359,267,014
Median household income$134,301$109,028$101,050
Median age43.339.440.1
Median home value$473,200$439,300$427,600
Bachelor’s degree or higher46.5%45.1%42.9%
Foreign-born residents27.3%34.7%23.5%
Owner-occupied homes88.2%63.5%63.7%
Mean commute to work33.1 minutes31.9 minutes30.9 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

Household income in Colonia
Under $50k18.5%
$50k to $100k17.4%
$100k to $150k21.6%
$150k to $200k16.9%
$200k and over25.6%

Median household income $134,301 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 34, retrieved November 14, 2026.

Housing tenure in Colonia
Owner occupied
5,465 units
Renter occupied
728 units
Vacancy rate
0.8%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

Public schools in Colonia6
Public schools in Colonia, NCES directory 2023–2024
SchoolTypeGradesDistrict
Claremont Avenue Elementary SchoolPublicK–5Woodbridge Township School District
Lynn Crest Elementary SchoolPublicPre-K–5Woodbridge Township School District
Oak Ridge Heights Elementary SchoolPublicK–5Woodbridge Township School District
Pennsylvania Avenue Elementary SchoolPublicPre-K–5Woodbridge Township School District
Colonia Middle SchoolPublic6–8Woodbridge Township School District
Colonia High SchoolPublic9–12Woodbridge Township School District

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

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Colonia at a glance
Type
Census designated place
Land area
4.03 sq mi
Water area
0.00 sq mi
Population
18,294 (2019-2023 estimate)
Households
6,193
Median age
43.3
Median household income
$134,301
Median home value
$473,200
Median gross rent
$1,964
Owner-occupied homes
88.2%
Bachelor’s degree or higher
46.5%
Foreign-born residents
27.3%
Mean commute to work
33.1 minutes
Census GEOID
3414380

Sources: Census Gazetteer 2025: places, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

ZIP codes and metro area
ZIP codes
07067
Metro area
New York-Newark-Jersey City, NY-NJ

Sources: Census 2020 ZCTA relationship file: ZCTAs to places, retrieved November 14, 2026; Census Gazetteer 2025: metropolitan and micropolitan areas, retrieved November 14, 2026.