Postal Codes

07927 ZIP Code

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ZIP code 07927 covers Cedar Knolls, New Jersey, with a population of about 4,754 and a median household income of $166,077.

Population
4,7542,217 per square mile
Median age
412.3 points above the US average
Median household income
$166,0771.6× the New Jersey median
Poverty rate
2.2%10.2 points below the US average
Typical home value
$759,176up 32.4% in five years
Median rent
$2,8021.7× the New Jersey median
Degree or higher
55.8%20.8 points above the US average
Homeownership
60.8%4.2 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
269

Where 07927 is

Cedar Knolls, New Jersey — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,754
Median age41
Family households71.4%
Born outside the US29.7%
Speaks a language other than English at home39.1%
White (non-Hispanic)69.1%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)17.7%
Hispanic or Latino12.8%
Veterans2.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$166,077
Income per person$68,105
Poverty rate2.2%
Households on SNAP or cash assistance4.6%

Household income distribution

Under $10k0.3%
$10–15k0.0%
$15–20k3.3%
$20–25k1.0%
$25–30k1.5%
$30–35k0.4%
$35–40k1.9%
$40–45k1.1%
$45–50k0.0%
$50–60k2.5%
$60–75k5.4%
$75–100k4.1%
$100–125k18.8%
$125–150k6.4%
$150–200k12.7%
$200k or more40.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,210
Mean adjusted gross income$133,476
Returns declaring $200,000 or more17.6%
Returns, under $25k18.6%
Returns, $25k–$50k15.4%
Returns, $50k–$75k13.1%
Returns, $75k–$100k10.0%
Returns, $100k–$200k25.3%
Returns, $200k or more17.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$610,100
Median gross rent$2,802
Owner-occupied60.8%
Vacant homes3.9%
Median year built1979

What the homes are

Detached house49.6%
Attached house8.6%
2 to 4 units10.5%
5 to 19 units24.1%
20 or more units7.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$759,176as of 2026-07
Typical home value, 1 yearup 3.8%
Typical home value, 5 yearsup 32.4%
Typical home value, 10 yearsup 51.5%
Typical asking rent$3,491as of 2026-07
Typical home value since 2000
200020132026$759,176$263,879

$263,879 in 2000 to $759,176 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.7%
Bachelor's degree or higher55.8%
High school diploma or higher91.3%
Works from home18.3%
Drives to work alone64.1%
Takes public transport0%
Commutes 45 minutes or more10.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity21.8% 11.6 pts below the national average of 33.4%
Diagnosed diabetes8.5% 3.5 pts below the national average of 12%
Currently smokes8.5% 4.7 pts below the national average of 13.2%
High blood pressure30.4% 3.7 pts below the national average of 34.1%
Fair or poor general health12.3% 8 pts below the national average of 20.3%
No health insurance (18–64)7.2% 4.1 pts below the national average of 11.3%
Depression14.9% 7 pts below the national average of 21.9%
No leisure-time physical activity18.7% 6.7 pts below the national average of 25.4%
Arthritis21.4% 3.7 pts below the national average of 25.1%
Binge drinking17.6% 1.6 pts above the national average of 16%
Taking blood pressure medication77.1% 2.4 pts above the national average of 74.7%
Cancer (non-skin)8.8% 1.1 pts above the national average of 7.7%
Current asthma8.4% 2 pts below the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year78.6% 1.9 pts above the national average of 76.7%
Cholesterol screening90.7% 4.8 pts above the national average of 85.9%
Cognitive disability9.5% 5.3 pts below the national average of 14.8%
Colorectal screening70.2% 5.9 pts above the national average of 64.3%
COPD4.2% 2.4 pts below the national average of 6.6%
Visited a dentist74.4% 13.1 pts above the national average of 61.3%
Any disability20.4% 10.3 pts below the national average of 30.7%
Lacks emotional support21.9% 2.9 pts below the national average of 24.8%
Food insecurity8.1% 9 pts below the national average of 17.1%
Received food stamps4.3% 10 pts below the national average of 14.3%
Hearing disability5.2% 1.5 pts below the national average of 6.7%
High cholesterol39.9% 3.7 pts above the national average of 36.2%
Housing insecurity7.2% 6.6 pts below the national average of 13.8%
Independent living disability5.1% 3.3 pts below the national average of 8.4%
Lacks transport4.9% 4.3 pts below the national average of 9.2%
Loneliness31.6% 2.8 pts below the national average of 34.4%
Mammography use80.1% 4.2 pts above the national average of 75.9%
Poor mental health (14+ days)13% 3.8 pts below the national average of 16.8%
Mobility disability8.7% 5.3 pts below the national average of 14%
Poor physical health (14+ days)10.1% 3.4 pts below the national average of 13.5%
Self-care disability2.3% 1.7 pts below the national average of 4%
Utility shut-off threat4.3% 4.5 pts below the national average of 8.8%
Sleeps under 7 hours32.1% 4.3 pts below the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost8.6% 4.4 pts below the national average of 13%
Vision disability3.2% 2.4 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments269
People employed5,456
Annual payroll$343,023,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 44.8% of US census tracts
FEMA ratingRelatively Low
Expected annual loss70.5 out of 100
Community resilience82.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather83.2Relatively High at its worst in this ZIP code
Strong wind76.7Relatively Moderate at its worst in this ZIP code
River flooding70.2Relatively Moderate at its worst in this ZIP code
Hurricane69.9Relatively Low at its worst in this ZIP code
Cold wave69.2Relatively Moderate at its worst in this ZIP code
Earthquake64.1Relatively Low at its worst in this ZIP code
Lightning57.7Relatively Moderate at its worst in this ZIP code
Landslide49Very Low at its worst in this ZIP code
Tornado45.6Relatively Low at its worst in this ZIP code
Heat wave45.2Relatively Low at its worst in this ZIP code
Wildfire34.8Very Low at its worst in this ZIP code
Hail20.7Very Low at its worst in this ZIP code
Ice storm19.9Very Low at its worst in this ZIP code
Compared with New Jersey and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew JerseyUnited States
Median household income$166,077$101,050$78,538
Income per person$68,105$53,118$43,289
Poverty rate2.2%9.8%12.4%
Median home value$610,100$427,600$303,400
Median gross rent$2,802$1,653$1,348
Homeownership60.8%63.7%65%
Bachelor's degree or higher55.8%42.9%35%
Unemployment rate2.7%6.2%5.2%
Works from home18.3%15%13.5%
Born outside the US29.7%23.5%13.9%
Median age4140.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationBOONTON 1 SE, NJ US9.2 km away
Rain in a year49 in

Average high and low by month

January37.6°F / 20.6°F3.73 in rain
February40°F / 21.8°F2.79 in rain
March48.4°F / 28.7°F4.16 in rain
April61.1°F / 39.1°F3.63 in rain
May71°F / 49.3°F3.95 in rain
June80.7°F / 58.8°F4.91 in rain
July85.4°F / 64°F4.7 in rain
August83.6°F / 62.1°F3.67 in rain
September76.5°F / 54.4°F4.68 in rain
October64.1°F / 42.4°F4.54 in rain
November52.6°F / 33.1°F4.06 in rain
December42.4°F / 26.2°F4.36 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Hanover Park Regional School District50% of this ZIP code's land area
Hanover Township School District50% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability22more vulnerable than 22% of US census tracts
Socioeconomic status20more vulnerable than 20% of US census tracts
Household characteristics41more vulnerable than 41% of US census tracts
Racial and ethnic minority status48more vulnerable than 48% of US census tracts
Housing type and transport21more vulnerable than 21% of US census tracts
Walkability11.2 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

07981 Whippany, NJ3.1 km away
07950 Morris Plains, NJ3.3 km away
07961 Convent Station, NJ3.5 km away
07963 Morristown, NJ3.5 km away
07960 Morristown, NJ4 km away
07878 Mount Tabor, NJ5.7 km away
07054 Parsippany, NJ5.8 km away
07932 Florham Park, NJ7.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Morris County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area2.14 sq mi
Water area0.03 sq mi
Population density2,217 people per sq mi
Latitude, longitude40.8223, -74.4569

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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