07856 ZIP Code — Mount Arlington, NJ

Morris County, New Jersey

ZIP code 07856 is located in Mount Arlington, New Jersey, within Morris County. It covers approximately 3.43 square miles and serves a population of 4,429 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 973/862.

About ZIP code 07856

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1990s, giving the area an established character. Median home value is $381,600. Owner-occupancy sits near the national average at 66%.

Median household income is $95,398. The poverty rate of 5% is below the national average. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.

4,429
population
3.43
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
07856 ZIP code map
Cities in ZIP code 07856

Below are the cities the US Postal Service accepts for ZIP code 07856. Using any city not on this list may result in mail delivery delays.

City Status
Mount Arlington Acceptable
Mount Arlington Preferred
Nearby ZIP codes
07850 Landing (1.6 mi) 07843 Hopatcong (2.2 mi) 07847 Kenvil (2.3 mi) 07852 Ledgewood (2.7 mi) 07803 Mine Hill (3.2 mi) 07885 Wharton (3.3 mi) 07857 Netcong (3.4 mi) 07806 Picatinny Arsenal (3.7 mi) 07876 Succasunna (4.3 mi) 07874 Stanhope (4.3 mi) 07849 Lake Hopatcong (4.9 mi) 07801 Dover (5.2 mi)
Demographics updated 05/2026
Population
Total population 4,429
Population density 1,291 / sq mi
State FIPS 34
County FIPS 027
Geography
Land area 3.43 sq mi
Water area 0.72 sq mi
Latitude 40.9174
Longitude -74.6385
Timezone Eastern (ET)
Area code 973/862
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 20.7% 19.3% 30.2%
$50k – $100k 30.6% 23.7% 26.7%
$100k – $200k 36.5% 32.6% 28.3%
Over $200k 12.1% 24.4% 14.8%

Demographics & statistics

4,429
Population
1,291
People per sq mi
46.0
Median age
$95,398
Median household income
$51,611
Per capita income
$381,600
Median home value
$2,299
Median monthly rent
66.2%
Home ownership
4.8%
Poverty rate
3.5%
Unemployment
1,729
Housing units
42.3%
Bachelor's or higher

Age distribution

Male Female
123
Under 5
138
122
5–9
137
65
10–14
74
103
15–19
116
130
20–24
147
298
25–34
336
174
35–44
196
301
45–54
340
182
55–59
205
126
60–64
143
275
65–74
311
106
75–84
119
76
85+
86
← Male
Female →

Age summary

GroupCount%
Under 1876517.3%
18 and over3,66482.7%
65 and over97322.0%
Median age46.0 years

Race & ethnicity

White 74.6%
Hispanic or Latino 7.1%
Black or African American 6.3%
Two or more races 4.1%
Other race 4.1%
Asian 2.3%
American Indian / Alaska Native 1.5%
GroupCount%
White3,55674.6%
Hispanic or Latino3397.1%
Black or African American3016.3%
Two or more races1974.1%
Other race1974.1%
Asian1082.3%
American Indian / Alaska Native701.5%

Household income

Income range This ZIP County avg State avg
Under $50k 20.7% 19.3% 30.2%
$50k – $100k 30.6% 23.7% 26.7%
$100k – $200k 36.5% 32.6% 28.3%
Over $200k 12.1% 24.4% 14.8%
Under $10k 1.5%
$15k–$25k 2.3%
$25k–$35k 11.4%
$35k–$50k 4.9%
$50k–$75k 18.8%
$75k–$100k 12.1%
$100k–$150k 26.1%
$150k–$200k 11.3%
$200k+ 11.6%
Range% of households
Under $10k1.5%
$15k–$25k2.3%
$25k–$35k11.4%
$35k–$50k4.9%
$50k–$75k18.8%
$75k–$100k12.1%
$100k–$150k26.1%
$150k–$200k11.3%
$200k+11.6%
Median income$95,398

Housing

Home values

Under $50k 0.9%
$150k–$200k 1.6%
$200k–$300k 20.4%
$300k–$500k 57.4%
$500k–$1M 17.8%
$1M+ 2.0%

Housing overview

MetricValue
Median home value$381,600
Median rent / month$2,299
Owner occupied66.2%
Renter occupied33.8%
Vacant19.4%
Single-family detached45.4%
Large apartment buildings26.0%
Mobile homes0.0%
Median rooms5.5
Avg household size (owned)2.41

Year built

Era%
2020 or later0.0%
2010–201913.3%
2000–200914.9%
1990–199918.0%
1980–19899.2%
1970–197912.6%
1960–196915.1%
1950–19592.9%
1940–19495.2%
1939 or earlier9.0%

Bedrooms

Size% of units
No bedroom (studio)3.2%
1 bedroom13.3%
2 bedrooms42.9%
3 bedrooms20.0%
4 bedrooms19.4%
5+ bedrooms1.2%

Vehicles per household

Vehicles% of households
No vehicle0.7%
1 vehicle42.1%
2 vehicles39.2%
3 or more18.0%

Heating fuel

Fuel type%
Utility gas64.0%
Electricity15.6%
Propane / LP gas1.5%
Fuel oil14.1%
No fuel used1.9%

Households & families

Household typeCount%
Married-couple family75739.5%
Cohabiting couple22611.8%
Male householder, no spouse28014.6%
Female householder, no spouse65234.0%
Households with children under 1842822.3%
Households with seniors (65+)69936.5%
Average household size2.31

Marital status

StatusMaleFemale
Never married33.5%35.7%
Married48.0%37.9%
Separated3.3%0.0%
Widowed2.0%12.6%
Divorced13.2%13.8%

Education

Less than 9th grade 2.7%
Some HS, no diploma 1.8%
HS graduate 24.3%
Some college, no degree 19.4%
Associate's degree 9.5%
Bachelor's degree 29.2%
Graduate / professional 13.1%
Metric%
HS diploma or higher95.5%
Bachelor's or higher42.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool19017.7%
Kindergarten444.1%
Elementary school31229.0%
High school17015.8%
College / grad school35933.4%

Employment

Industry of employment

Education & healthcare 23.4%
Professional & management 17.0%
Retail trade 15.6%
Finance & real estate 9.1%
Manufacturing 8.5%
Construction 8.0%
Arts, food & hospitality 5.0%
Public administration 4.9%
Transportation & utilities 2.9%
Other services 2.7%
Wholesale trade 1.5%
Information 1.4%

Occupation

Category%
Management, business & arts47.3%
Service7.6%
Sales & office35.4%
Natural resources & construction2.2%
Production & transportation7.5%

Employment type

Type%
Private sector80.6%
Government17.1%
Self-employed2.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone80.6%
Carpool2.9%
Public transit0.7%
Walk0.0%
Work from home14.9%
Other means0.9%
Avg commute (minutes)37.1

Poverty

All people 4.8%
Under 18 years 7.4%
18 and over 4.2%
Married-couple families 2.4%
Female-led households 5.6%

Income support

Source% of households
Social Security39.6%
Retirement income29.2%
Supplemental Security3.4%
Cash public assistance1.5%
Food stamps / SNAP4.5%

Health indicators

Condition%
Obesity23.8%
High blood pressure0.0%
High cholesterol0.0%
Diabetes10.5%
Heart disease7.8%
Stroke3.5%
Asthma8.9%
Arthritis26.1%
Kidney disease3.3%
Pulmonary disease7.4%
Cancer8.6%
Behavior / access%
Smoking13.3%
Binge drinking14.7%
No physical activity19.5%
Less than 7 hrs sleep30.7%
Depression18.1%
Fair or poor health12.8%
Poor mental health13.5%
Poor physical health9.8%
No health insurance11.4%
Visited doctor (checkup)76.3%
Visited dentist69.0%
Cholesterol screening0.0%
Teeth loss11.3%

Veterans & disability

VeteransCount%
Civilian veterans1624.4%
Disability%
Any disability12.6%
Under 186.4%
18–64 years7.5%
65 and over31.8%

Health insurance coverage

Type%
Private insurance74.1%
Public insurance38.2%
No insurance3.5%
Uninsured under 192.7%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only4,16894.1%
Spanish1303.1%
Other Indo-European1022.4%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)3,98389.9%
Born in same state3,93488.8%
Born in different state2,94066.4%
Foreign born491.1%
Naturalized citizen44610.1%
Not a US citizen35278.9%

Ancestry

AncestryCount%
Italian74416.8%
French3768.5%
English1052.4%
AncestryCount%
Irish771.7%
Arab611.4%
Polish160.4%

Technology access

Metric% of households
Computer access43.2%
Internet access95.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 07856

What city is ZIP code 07856 in?

ZIP code 07856 is primarily assigned to Mount Arlington, New Jersey.

What county is ZIP code 07856 in?

ZIP code 07856 falls within Morris County, New Jersey.

Does ZIP code 07856 have a large retiree population?

40% of households in ZIP code 07856 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 07856?

The median home value in ZIP code 07856 is $381,600.

What is the population of ZIP code 07856?

ZIP code 07856 has an estimated population of 4,429 residents, with a density of 1,290 people per square mile.

What is the median household income in ZIP code 07856?

The median household income in ZIP code 07856 is $95,398, above the national median of ~$75,000.

What timezone is ZIP code 07856 in?

ZIP code 07856 observes the EST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →