Census tract · Middlesex County
Census Tract 10.03, Middlesex County, New Jersey
Census Tract 10.03, GEOID 34023001003, in Middlesex County, New Jersey, entirely within South Plainfield. 5,295 residents in the ACS 2020-2024 5-year estimates (±456); the 2020 Census counted 5,784.
Residents, 2020-2024
5,295
±456 (90% margin)
2020 Census count: 5,784
Median household income
$131,282
±$21,342 (90% margin)
Middlesex County: $111,549
Median home value
$492,500
±$34,137 (90% margin)
Middlesex County: $462,900
Median gross rent
$2,226
±$157 (90% margin)
Middlesex County: $1,871
Where is Census Tract 10.03?
Census Tract 10.03 is one of 192 census tracts in Middlesex County, New Jersey. It covers 3.29 square miles of land, 1,756 residents per square mile in 2020. Its GEOID, 34023001003, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| South Plainfield | 100% |
8 census tracts border Census Tract 10.03: Tract 5.03 ($161,550), Tract 5.04 ($84,961), Tract 8.01 ($136,085), Tract 8.02 ($128,421), Tract 10.01 ($145,724), Tract 10.04 ($137,727), Tract 14.14 ($165,664) and Tract 14.15 ($250,000 or more). 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 10.03?
The 2020-2024 American Community Survey puts Census Tract 10.03's population at 5,295 (±456) in 1,727 households; the 2020 Census counted 5,784 residents and 1,930 housing units.
| Measure | Tract 10.03 | South Plainfield |
|---|---|---|
| Total population | 5,295 ±456 | 24,473 |
| Households | 1,727 ±220 | 8,351 |
| Average household size | 3.06 ±0.30 | 2.90 |
| Housing units | 1,796 ±235 | 8,530 |
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 10.03?
The median resident of Census Tract 10.03 is 39.9 years old; 22.2% are under 18 and 18.9% are 65 or older. The largest group is non-Hispanic Asian residents at 46.8%, then non-Hispanic white residents at 36.1%. 39.1% of residents were born outside the United States.
| Measure | Tract 10.03 | South Plainfield |
|---|---|---|
| Median age | 39.9 ±3.7 | 41.7 |
| Under 18 years | 22.2% ±3.5 pts | 20.9% |
| 65 years and over | 18.9% ±4.5 pts | 19.4% |
| Hispanic or Latino (any race) | 11.8% ±5.5 pts | 17.0% |
| White alone, not Hispanic | 36.1% ±9.1 pts | 47.9% |
| Black or African American alone, not Hispanic | 4.1% ±3.0 pts | 9.7% |
| Asian alone, not Hispanic | 46.8% ±9.8 pts | 21.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.4% ±0.6 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Two or more races, not Hispanic | 0.4% ±0.9 pts | 3.1% |
| Some other race alone, not Hispanic | 0.4% ±0.7 pts | 0.8% |
| Born outside the United States | 39.1% ±6.9 pts | 23.9% |
| Speak a language other than English at home (age 5+) | 56.2% ±8.9 pts | 34.5% |
| Civilian veterans (age 18+) | 1.6% ±1.1 pts | 2.9% |
| With a disability | 7.6% ±3.1 pts | 10.9% |
| No health insurance coverage | 4.6% ±2.6 pts | 3.2% |
| High school graduate or higher (age 25+) | 87.9% ±6.9 pts | 92.5% |
| Bachelor's degree or higher (age 25+) | 48.6% ±8.2 pts | 44.0% |
| Graduate or professional degree (age 25+) | 22.1% ±7.2 pts | 17.8% |
| Lived in the same house a year earlier | 93.0% ±4.8 pts | 93.9% |
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 10.03 earn?
Half of the 1,727 households in Census Tract 10.03 earn less than $131,282 a year (±$21,342), against $111,549 across Middlesex County: 74th highest of the county's 187 tracts with a reliable estimate.
| Measure | Tract 10.03 | South Plainfield |
|---|---|---|
| Median household income | $131,282 ±$21,342 | $130,239 |
| Mean household income | $154,466 ±$16,074 | $148,575 |
| Per capita income | $50,543 ±$6,934 | $51,315 |
| People below the poverty line | 1.7% ±1.6 pts | 3.0% |
| Children under 18 below the poverty line | 0.5% ±1.0 pts | 1.6% |
| Households receiving SNAP | 1.9% ±2.1 pts | 1.0% |
| Households with a computer | 97.2% ±2.1 pts | 97.5% |
| Households with a broadband subscription | 96.0% ±2.8 pts | 95.5% |
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 10.03?
Owners occupy 81.7% of Census Tract 10.03's occupied homes and renters 18.3%. The median owner-occupied home is valued at $492,500 by its owner (±$34,137). The median renter pays $2,226 a month including utilities.
| Measure | Tract 10.03 | South Plainfield |
|---|---|---|
| Median home value (owner-occupied) | $492,500 ±$34,137 | $470,900 |
| Median gross rent | $2,226 ±$157 | $2,107 |
| Renters paying 35% or more of income on rent | 24.7% ±17.1 pts | 34.7% |
| Median monthly owner costs, with a mortgage | $3,080 ±$203 | $2,794 |
| Owner-occupied homes | 81.7% ±6.9 pts | 85.9% |
| Renter-occupied homes | 18.3% ±6.9 pts | 14.1% |
| Housing units | 1,796 ±235 | 8,530 |
| Single-family detached homes | 51.3% ±8.9 pts | 78.5% |
| Mobile homes | 0.0% ±2.5 pts | 0.0% |
| Built 2020 or later | 3.0% ±4.0 pts | 1.4% |
| Built 2010 to 2019 | 27.3% ±8.4 pts | 6.7% |
| Built 1939 or earlier | 1.8% ±2.0 pts | 4.5% |
| Households with no vehicle | 2.1% ±2.3 pts | 2.5% |
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 10.03 get to work?
58.5% of Census Tract 10.03's workers drive alone and 27.3% work from home. The average trip to work takes 30.5 minutes. The unemployment rate in 2020-2024 averaged 3.7%.
| Measure | Tract 10.03 | South Plainfield |
|---|---|---|
| In the labor force (age 16+) | 67.5% ±6.1 pts | 67.4% |
| Unemployment rate | 3.7% ±2.4 pts | 5.6% |
| Drove alone to work | 58.5% ±9.4 pts | 72.0% |
| Carpooled | 10.6% ±5.7 pts | 7.9% |
| Public transportation | 3.7% ±3.2 pts | 2.1% |
| Walked | 0.0% ±1.7 pts | 1.0% |
| Worked from home | 27.3% ±9.5 pts | 16.4% |
| Mean travel time to work | 30.5 min ±3.3 | 29.7 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 10.03 compare with the other tracts in Middlesex County?
Among Middlesex County's tracts with a reliable estimate, Census Tract 10.03 ranks as shown below (1 = highest).
| Measure | In Middlesex County | In South Plainfield |
|---|---|---|
| Population | 63rd of 190 | 1st of 7 |
| Residents per square mile | 166th of 192 | 6th of 7 |
| Median household income | 74th of 187 | 4th of 7 |
| Per capita income | 91st of 190 | 3rd of 7 |
| Median home value | 57th of 184 | 2nd of 7 |
| Median gross rent | 37th of 161 | 3rd of 5 |
| Bachelor's degree or higher | 80th of 189 | 3rd of 7 |
| Median age | 106th of 191 | 6th of 7 |
| Owner-occupied share | 75th of 183 | 6th of 7 |
The tracts next to it on Middlesex County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 71.02 | 72nd | $133,021±$21,854 · within the margin of this tract |
| Tract 4.04 | 73rd | $131,652±$12,370 · within the margin of this tract |
| Tract 10.03 | 74th | $131,282±$21,342 |
| Tract 73.01 | 75th | $130,425±$24,854 · within the margin of this tract |
| Tract 4.03 | 76th | $130,147±$37,980 · within the margin of this tract |
| Tract 4.01 | 77th | $129,491±$20,682 · 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 10.03?
2 of the 18 figures for Census Tract 10.03 on this page carry a coefficient of variation over 40% and are 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