Census tract · Middlesex County
Census Tract 23.01, Middlesex County, New Jersey
Census Tract 23.01, GEOID 34023002301, in Middlesex County, New Jersey, entirely within Colonia and Woodbridge Township. 4,136 residents in the ACS 2020-2024 5-year estimates (±778); the 2020 Census counted 3,913.
Residents, 2020-2024
4,136
±778 (90% margin)
2020 Census count: 3,913
Median household income
$150,435
±$23,053 (90% margin)
Middlesex County: $111,549
Median home value
$468,100
±$14,990 (90% margin)
Middlesex County: $462,900
Median gross rent
not published
Middlesex County: $1,871
Where is Census Tract 23.01?
Census Tract 23.01 is one of 192 census tracts in Middlesex County, New Jersey. It covers 0.66 square miles of land, 5,929 residents per square mile in 2020. Its GEOID, 34023002301, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Colonia | 100% |
| Woodbridge Township | 100% |
4 census tracts border Census Tract 23.01: Tract 14.11 ($172,066), Tract 23.02 ($149,028), Tract 24.01 ($107,366) and Tract 363.02 in Union County ($149,895). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 23.01?
The 2020-2024 American Community Survey puts Census Tract 23.01's population at 4,136 (±778) in 1,306 households; the 2020 Census counted 3,913 residents and 1,382 housing units.
| Measure | Tract 23.01 | Colonia |
|---|---|---|
| Total population | 4,136±778 | 18,587 |
| Households | 1,306±126 | 6,262 |
| Average household size | 3.16±0.41 | 2.97 |
| Housing units | 1,306±126 | 6,289 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 23.01?
The median resident of Census Tract 23.01 is 40.2 years old; 20.7% are under 18 and 13.2% are 65 or older. The largest group is non-Hispanic white residents at 57.9%, then non-Hispanic Black residents at 13.4%. 28.7% of residents were born outside the United States.
| Measure | Tract 23.01 | Colonia |
|---|---|---|
| Median age | 40.2±4.4 | 43.6 |
| Under 18 years | 20.7%±3.7 pts | 21.7% |
| 65 years and over | 13.2%±2.5 pts | 19.2% |
| Hispanic or Latino (any race) | 12.0%±3.6 pts | 17.5% |
| White alone, not Hispanic | 57.9%±12.0 pts | 56.4% |
| Black or African American alone, not Hispanic | 13.4%±12.6 pts | 5.1% |
| Asian alone, not Hispanic | 13.2%±4.6 pts | 15.6% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.1 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.1 pts | 0.0% |
| Two or more races, not Hispanic | 3.5%±2.2 pts | 3.6% |
| Some other race alone, not Hispanic | 0.0%±1.1 pts | 1.8% |
| Born outside the United States | 28.7%±9.0 pts | 27.1% |
| Speak a language other than English at home (age 5+) | 36.8%±11.6 pts | 37.3% |
| Civilian veterans (age 18+) | 3.1%±1.8 pts | 3.0% |
| With a disability | 12.5%±3.3 pts | 10.6% |
| No health insurance coverage | 8.1%±7.8 pts | 5.0% |
| High school graduate or higher (age 25+) | 91.0%±3.6 pts | 91.6% |
| Bachelor's degree or higher (age 25+) | 46.5%±10.0 pts | 48.7% |
| Graduate or professional degree (age 25+) | 17.6%±6.4 pts | 18.3% |
| Lived in the same house a year earlier | 88.5%±6.4 pts | 93.3% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 23.01 earn?
Half of the 1,306 households in Census Tract 23.01 earn less than $150,435 a year (±$23,053), against $111,549 across Middlesex County: 39th highest of the county's 187 tracts with a reliable estimate. 13.2% of residents live below the poverty line.
| Measure | Tract 23.01 | Colonia |
|---|---|---|
| Median household income | $150,435±$23,053 | $122,713 |
| Mean household income | $144,781±$23,857 | $153,720 |
| Per capita income | $46,387±$10,091 | $52,024 |
| People below the poverty line | 13.2%±6.9 pts | 7.4% |
| Children under 18 below the poverty line | 25.3%±15.7 pts | 11.6% |
| Households receiving SNAP | 10.0%±5.4 pts | 4.7% |
| Households with a computer | 98.2%±1.7 pts | 97.0% |
| Households with a broadband subscription | 98.8%±1.6 pts | 95.0% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 23.01?
Owners occupy 92.5% of Census Tract 23.01's occupied homes and renters 7.5%. The median owner-occupied home is valued at $468,100 by its owner (±$14,990).
| Measure | Tract 23.01 | Colonia |
|---|---|---|
| Median home value (owner-occupied) | $468,100±$14,990 | $493,100 |
| Renters paying 35% or more of income on rent | 49.4%±40.2 pts | 57.2% |
| Median monthly owner costs, with a mortgage | $2,886±$246 | $3,130 |
| Owner-occupied homes | 92.5%±6.4 pts | 88.9% |
| Renter-occupied homes | 7.5%±6.4 pts | 11.1% |
| Housing units | 1,306±126 | 6,289 |
| Single-family detached homes | 95.6%±3.6 pts | 88.1% |
| Mobile homes | 1.1%±1.7 pts | 0.2% |
| Built 2020 or later | 0.5%±0.7 pts | 0.4% |
| Built 2010 to 2019 | 0.0%±3.4 pts | 5.5% |
| Built 1939 or earlier | 0.4%±0.6 pts | 3.0% |
| Households with no vehicle | 2.1%±1.9 pts | 3.1% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 23.01 get to work?
82.2% of Census Tract 23.01's workers drive alone and 11.4% work from home. The average trip to work takes 36.5 minutes.
| Measure | Tract 23.01 | Colonia |
|---|---|---|
| In the labor force (age 16+) | 66.4%±6.4 pts | 66.2% |
| Unemployment rate | 9.8%±12.0 pts | 4.9% |
| Drove alone to work | 82.2%±6.3 pts | 73.6% |
| Carpooled | 5.0%±3.1 pts | 5.6% |
| Public transportation | 0.0%±2.2 pts | 3.7% |
| Walked | 0.0%±2.2 pts | 0.8% |
| Worked from home | 11.4%±4.3 pts | 15.0% |
| Mean travel time to work | 36.5 min±4.0 | 33.0 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 23.01 compare with the other tracts in Middlesex County?
Among Middlesex County's tracts with a reliable estimate, Census Tract 23.01 ranks as shown below (1 = highest).
| Measure | In Middlesex County | In Colonia |
|---|---|---|
| Population | 105th of 190 | 2nd of 5 |
| Residents per square mile | 55th of 192 | 1st of 5 |
| Median household income | 39th of 187 | 1st of 5 |
| Per capita income | 131st of 190 | 5th of 5 |
| Median home value | 74th of 184 | 5th of 5 |
| Poverty rate | 30th of 83 | 1st of 1 |
| Bachelor's degree or higher | 87th of 189 | 3rd of 5 |
| Median age | 103rd of 191 | 5th of 5 |
| Owner-occupied share | 38th of 183 | 3rd of 5 |
The tracts next to it on Middlesex County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 32.01 | 36th | $151,920±$42,218 · within the margin of this tract |
| Tract 62.04 | 37th | $151,818±$17,568 · within the margin of this tract |
| Tract 6.03 | 38th | $151,000±$12,912 · within the margin of this tract |
| Tract 23.01 | 39th | $150,435±$23,053 |
| Tract 7.02 | 40th | $150,313±$22,636 · within the margin of this tract |
| Tract 24.02 | 41st | $149,464±$37,303 · within the margin of this tract |
| Tract 23.02 | 42nd | $149,028±$55,938 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 23.01?
1 of the 17 figures for Census Tract 23.01 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections