Census tract · Union County
Census Tract 377, Union County, New Jersey
Census Tract 377, GEOID 34039037700, in Union County, New Jersey, entirely within Summit. 4,730 residents in the ACS 2020-2024 5-year estimates (±707); the 2020 Census counted 4,851.
Residents, 2020-2024
4,730
±707 (90% margin)
2020 Census count: 4,851
Median household income
$250,000 or more
The survey's top or bottom value; no margin is published
Union County: $103,202
Median home value
$1,132,600
±$245,670 (90% margin)
Union County: $529,200
Median gross rent
$2,671
±$359 (90% margin)
Union County: $1,730
Where is Census Tract 377?
Census Tract 377 is one of 120 census tracts in Union County, New Jersey. It covers 1.67 square miles of land, 2,898 residents per square mile in 2020. Its GEOID, 34039037700, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Summit | 100% |
5 census tracts border Census Tract 377: Tract 200 in Essex County ($250,000 or more), Tract 427 in Morris County ($220,045), Tract 428 in Morris County ($250,000 or more), Tract 378 ($175,491) and Tract 380 ($110,744). 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 377?
The 2020-2024 American Community Survey puts Census Tract 377's population at 4,730 (±707) in 1,669 households; the 2020 Census counted 4,851 residents and 1,739 housing units.
| Measure | Tract 377 | Summit |
|---|---|---|
| Total population | 4,730 ±707 | 22,705 |
| Households | 1,669 ±174 | 8,341 |
| Average household size | 2.83 ±0.25 | 2.71 |
| Housing units | 1,715 ±189 | 8,786 |
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 377?
The median resident of Census Tract 377 is 43.8 years old; 26.0% are under 18 and 11.3% are 65 or older. The largest group is non-Hispanic white residents at 72.3%, then non-Hispanic Asian residents at 10.5%. 20.5% of residents were born outside the United States.
| Measure | Tract 377 | Summit |
|---|---|---|
| Median age | 43.8 ±2.5 | 41.8 |
| Under 18 years | 26.0% ±3.5 pts | 24.6% |
| 65 years and over | 11.3% ±3.0 pts | 14.6% |
| Hispanic or Latino (any race) | 8.9% ±4.7 pts | 13.1% |
| White alone, not Hispanic | 72.3% ±7.4 pts | 67.1% |
| Black or African American alone, not Hispanic | 3.5% ±3.7 pts | 5.9% |
| Asian alone, not Hispanic | 10.5% ±3.1 pts | 7.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.0% |
| Two or more races, not Hispanic | 4.6% ±2.8 pts | 5.3% |
| Some other race alone, not Hispanic | 0.2% ±0.3 pts | 1.3% |
| Born outside the United States | 20.5% ±6.5 pts | 18.8% |
| Speak a language other than English at home (age 5+) | 19.0% ±6.2 pts | 21.6% |
| Civilian veterans (age 18+) | 1.5% ±1.3 pts | 1.7% |
| With a disability | 2.9% ±1.8 pts | 6.0% |
| No health insurance coverage | 2.3% ±1.7 pts | 5.9% |
| High school graduate or higher (age 25+) | 97.1% ±2.3 pts | 95.3% |
| Bachelor's degree or higher (age 25+) | 81.7% ±5.3 pts | 72.5% |
| Graduate or professional degree (age 25+) | 39.2% ±6.5 pts | 36.6% |
| Lived in the same house a year earlier | 95.7% ±2.7 pts | 91.8% |
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 377 earn?
Half of the 1,669 households in Census Tract 377 earn less than $250,000 or more a year (), against $103,202 across Union County: 1st highest of the county's 118 tracts with a reliable estimate. 3.9% of residents live below the poverty line.
| Measure | Tract 377 | Summit |
|---|---|---|
| Median household income | $250,000 or more | $190,304 |
| Mean household income | $407,280 ±$52,110 | $306,473 |
| Per capita income | $144,681 ±$20,494 | $112,787 |
| People below the poverty line | 3.9% ±2.4 pts | 5.5% |
| Children under 18 below the poverty line | 1.9% ±3.4 pts | 4.6% |
| Households receiving SNAP | 1.0% ±1.6 pts | 3.4% |
| Households with a computer | 100.0% ±2.7 pts | 97.7% |
| Households with a broadband subscription | 98.0% ±2.0 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 377?
Owners occupy 86.0% of Census Tract 377's occupied homes and renters 14.0%. The median owner-occupied home is valued at $1,132,600 by its owner (±$245,670). The median renter pays $2,671 a month including utilities, and 45.3% of renters pay 35% or more of their income on rent.
| Measure | Tract 377 | Summit |
|---|---|---|
| Median home value (owner-occupied) | $1,132,600 ±$245,670 | $994,500 |
| Median gross rent | $2,671 ±$359 | $2,430 |
| Renters paying 35% or more of income on rent | 45.3% ±24.3 pts | 38.6% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 86.0% ±6.0 pts | 68.3% |
| Renter-occupied homes | 14.0% ±6.0 pts | 31.7% |
| Housing units | 1,715 ±189 | 8,786 |
| Single-family detached homes | 85.6% ±5.3 pts | 63.4% |
| Mobile homes | 0.0% ±2.6 pts | 0.1% |
| Built 2020 or later | 0.7% ±1.2 pts | 0.4% |
| Built 2010 to 2019 | 3.3% ±1.9 pts | 1.9% |
| Built 1939 or earlier | 45.0% ±9.3 pts | 33.3% |
| Households with no vehicle | 2.2% ±1.8 pts | 5.8% |
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 377 get to work?
40.7% of Census Tract 377's workers drive alone and 26.0% work from home. The average trip to work takes 33.6 minutes.
| Measure | Tract 377 | Summit |
|---|---|---|
| In the labor force (age 16+) | 68.3% ±4.2 pts | 69.3% |
| Unemployment rate | 4.1% ±3.1 pts | 5.4% |
| Drove alone to work | 40.7% ±5.5 pts | 46.0% |
| Carpooled | 3.7% ±2.4 pts | 3.3% |
| Public transportation | 18.4% ±6.1 pts | 17.6% |
| Walked | 9.0% ±10.2 pts | 6.0% |
| Worked from home | 26.0% ±7.6 pts | 23.8% |
| Mean travel time to work | 33.6 min ±8.6 | 33.5 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 377 compare with the other tracts in Union County?
Among Union County's tracts with a reliable estimate, Census Tract 377 ranks as shown below (1 = highest).
| Measure | In Union County | In Summit |
|---|---|---|
| Population | 59th of 120 | 4th of 4 |
| Residents per square mile | 109th of 120 | 4th of 4 |
| Median household income | 1st of 118 | 1st of 4 |
| Per capita income | 1st of 119 | 1st of 4 |
| Median home value | 3rd of 115 | 2nd of 4 |
| Median gross rent | 5th of 113 | 1st of 4 |
| Poverty rate | 59th of 64 | 2nd of 2 |
| Bachelor's degree or higher | 4th of 114 | 2nd of 4 |
| Median age | 22nd of 120 | 1st of 4 |
| Owner-occupied share | 20th of 115 | 2nd of 4 |
The tracts next to it on Union County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 364 | 1st | $250,000 or more |
| Tract 365 | 1st | $250,000 or more |
| Tract 368 | 1st | $250,000 or more |
| Tract 377 | 1st | $250,000 or more |
| Tract 379 | 1st | $250,000 or more |
| Tract 386.02 | 1st | $250,000 or more |
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 377?
1 of the 18 figures for Census Tract 377 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