Census tract · Essex County
Census Tract 166, Essex County, New Jersey
Census Tract 166, GEOID 34013016600, in Essex County, New Jersey, entirely within Montclair Township. 2,629 residents in the ACS 2020-2024 5-year estimates (±715); the 2020 Census counted 2,909.
Residents, 2020-2024
2,629
±715 (90% margin)
2020 Census count: 2,909
Median household income
$121,369
±$30,315 (90% margin)
Essex County: $80,789
Median home value
$641,900
±$250,223 (90% margin)
Essex County: $524,100
Median gross rent
$2,138
±$184 (90% margin)
Essex County: $1,531
Where is Census Tract 166?
Census Tract 166 is one of 211 census tracts in Essex County, New Jersey. It covers 0.26 square miles of land, 11,275 residents per square mile in 2020. Its GEOID, 34013016600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Montclair Township | 100% |
4 census tracts border Census Tract 166: Tract 164 ($219,779), Tract 165 ($229,766), Tract 167 ($97,024) and Tract 168 ($130,108). 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 166?
The 2020-2024 American Community Survey puts Census Tract 166's population at 2,629 (±715) in 1,093 households; the 2020 Census counted 2,909 residents and 1,342 housing units.
| Measure | Tract 166 | Montclair Township |
|---|---|---|
| Total population | 2,629±715 | 40,341 |
| Households | 1,093±149 | 15,726 |
| Average household size | 2.37±0.47 | 2.54 |
| Housing units | 1,327±146 | 16,521 |
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 166?
The median resident of Census Tract 166 is 38.4 years old; 13.2% are under 18 and 13.2% are 65 or older. The largest group is non-Hispanic white residents at 37.7%, then non-Hispanic Black residents at 33.5%. 17.7% of residents were born outside the United States.
| Measure | Tract 166 | Montclair Township |
|---|---|---|
| Median age | 38.4±5.2 | 39.9 |
| Under 18 years | 13.2%±2.9 pts | 25.0% |
| 65 years and over | 13.2%±3.5 pts | 15.0% |
| Hispanic or Latino (any race) | 11.1%±6.2 pts | 10.6% |
| White alone, not Hispanic | 37.7%±13.3 pts | 57.1% |
| Black or African American alone, not Hispanic | 33.5%±20.5 pts | 18.4% |
| Asian alone, not Hispanic | 7.4%±4.2 pts | 5.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.7 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.7 pts | 0.0% |
| Two or more races, not Hispanic | 5.9%±4.1 pts | 7.8% |
| Some other race alone, not Hispanic | 4.4%±4.4 pts | 0.8% |
| Born outside the United States | 17.7%±5.3 pts | 13.4% |
| Speak a language other than English at home (age 5+) | 17.7%±7.3 pts | 15.6% |
| Civilian veterans (age 18+) | 1.7%±1.2 pts | 2.5% |
| With a disability | 16.5%±7.1 pts | 8.8% |
| No health insurance coverage | 2.9%±2.3 pts | 2.3% |
| High school graduate or higher (age 25+) | 93.5%±4.3 pts | 97.3% |
| Bachelor's degree or higher (age 25+) | 62.7%±10.5 pts | 73.6% |
| Graduate or professional degree (age 25+) | 27.7%±6.9 pts | 39.9% |
| Lived in the same house a year earlier | 84.1%±5.0 pts | 86.2% |
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 166 earn?
Half of the 1,093 households in Census Tract 166 earn less than $121,369 a year (±$30,315), against $80,789 across Essex County: 50th highest of the county's 197 tracts with a reliable estimate. 9.7% of residents live below the poverty line.
| Measure | Tract 166 | Montclair Township |
|---|---|---|
| Median household income | $121,369±$30,315 | $151,075 |
| Mean household income | $137,481±$19,573 | $229,122 |
| Per capita income | $59,721±$8,996 | $91,351 |
| People below the poverty line | 9.7%±4.7 pts | 7.5% |
| Children under 18 below the poverty line | 0.0%±12.2 pts | 7.8% |
| Households receiving SNAP | 8.8%±6.9 pts | 4.0% |
| Households with a computer | 98.7%±2.0 pts | 97.8% |
| Households with a broadband subscription | 95.2%±4.7 pts | 95.1% |
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 166?
Owners occupy 34.2% of Census Tract 166's occupied homes and renters 65.8%. The median owner-occupied home is valued at $641,900 by its owner (±$250,223). The median renter pays $2,138 a month including utilities, and 44.6% of renters pay 35% or more of their income on rent.
| Measure | Tract 166 | Montclair Township |
|---|---|---|
| Median home value (owner-occupied) | $641,900±$250,223 | $906,400 |
| Median gross rent | $2,138±$184 | $2,063 |
| Renters paying 35% or more of income on rent | 44.6%±14.4 pts | 44.2% |
| Median monthly owner costs, with a mortgage | $4,000 or more | $4,000 or more |
| Owner-occupied homes | 34.2%±8.2 pts | 56.9% |
| Renter-occupied homes | 65.8%±8.2 pts | 43.1% |
| Housing units | 1,327±146 | 16,521 |
| Single-family detached homes | 17.2%±7.6 pts | 49.8% |
| Mobile homes | 0.0%±3.3 pts | 0.0% |
| Built 2020 or later | 0.0%±3.3 pts | 1.0% |
| Built 2010 to 2019 | 5.8%±5.7 pts | 4.2% |
| Built 1939 or earlier | 76.0%±10.2 pts | 59.4% |
| Households with no vehicle | 12.0%±8.1 pts | 8.8% |
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 166 get to work?
59.0% of Census Tract 166's workers drive alone and 29.4% work from home. The average trip to work takes 30.8 minutes. The unemployment rate in 2020-2024 averaged 5.5%.
| Measure | Tract 166 | Montclair Township |
|---|---|---|
| In the labor force (age 16+) | 73.2%±9.0 pts | 71.0% |
| Unemployment rate | 5.5%±3.4 pts | 4.5% |
| Drove alone to work | 59.0%±13.2 pts | 41.6% |
| Carpooled | 3.3%±2.9 pts | 3.9% |
| Public transportation | 6.4%±3.3 pts | 14.6% |
| Walked | 1.9%±1.5 pts | 3.4% |
| Worked from home | 29.4%±10.3 pts | 35.5% |
| Mean travel time to work | 30.8 min±2.8 | 35.6 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 166 compare with the other tracts in Essex County?
Among Essex County's tracts with a reliable estimate, Census Tract 166 ranks as shown below (1 = highest).
| Measure | In Essex County |
|---|---|
| Population | 176th of 210 |
| Residents per square mile | 134th of 211 |
| Median household income | 50th of 197 |
| Per capita income | 50th of 209 |
| Median home value | 35th of 192 |
| Median gross rent | 30th of 196 |
| Poverty rate | 112th of 143 |
| Bachelor's degree or higher | 41st of 198 |
| Median age | 87th of 210 |
| Owner-occupied share | 108th of 194 |
The tracts next to it on Essex County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 168 | 47th | $130,108±$34,911 · within the margin of this tract |
| Tract 151 | 48th | $127,464±$17,651 · within the margin of this tract |
| Tract 172 | 49th | $125,083±$27,995 · within the margin of this tract |
| Tract 166 | 50th | $121,369±$30,315 |
| Tract 216.01 | 51st | $115,980±$14,772 · within the margin of this tract |
| Tract 175 | 52nd | $112,885±$42,530 · within the margin of this tract |
| Tract 23 | 53rd | $112,882±$44,230 · 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 166?
Every figure for Census Tract 166 on this page has a coefficient of variation under 40%, the Census Bureau's threshold for a usable estimate.
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