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New Jersey ZIP Codes
Morris County
Rockaway, NJ
07866
07866 ZIP Code — Rockaway, NJ
Morris County, New Jersey
ZIP code 07866 is located in
Rockaway ,
New Jersey ,
within Morris County .
It covers approximately 23.01 square miles and serves a population of
22,383 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 973 .
About ZIP code 07866
The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $409,900. Owner-occupancy is high at 83%, well above the national average.
The gap between median ($123,710) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 34% 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. The average commute of 29 minutes is near the national average.
Educational attainment is high — 54% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 07866 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.
07866 ZIP code map
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Cities in ZIP code 07866
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
22,383
Population density
973 / sq mi
State FIPS
34
County FIPS
027
Geography
Land area
23.01 sq mi
Water area
1.83 sq mi
Latitude
40.9577
Longitude
-74.4919
Timezone
Eastern (ET)
Area code
973
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.6%
19.3%
30.2%
$50k – $100k
23.6%
23.7%
26.7%
$100k – $200k
36.2%
32.6%
28.3%
Over $200k
19.7%
24.4%
14.8%
Demographics & statistics
$123,710
Median household income
$409,900
Median home value
$1,600
Median monthly rent
54.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,663 20.8%
18 and over 17,720 79.2%
65 and over 4,119 18.4%
Median age 43.9 years
Race & ethnicity
Black or African American
1.3%
American Indian / Alaska Native
0.4%
Group Count %
White 19,125 80.7%
Two or more races 1,343 5.7%
Hispanic or Latino 1,308 5.5%
Asian 1,262 5.3%
Black or African American 307 1.3%
Other race 251 1.1%
American Indian / Alaska Native 95 0.4%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.6%
19.3%
30.2%
$50k – $100k
23.6%
23.7%
26.7%
$100k – $200k
36.2%
32.6%
28.3%
Over $200k
19.7%
24.4%
14.8%
Range % of households
Under $10k 1.9%
$10k–$15k 1.8%
$15k–$25k 2.0%
$25k–$35k 5.1%
$35k–$50k 9.4%
$50k–$75k 11.8%
$75k–$100k 10.7%
$100k–$150k 17.0%
$150k–$200k 14.3%
$200k+ 26.1%
Median income $123,710
Housing
Housing overview
Metric Value
Median home value $409,900
Median rent / month $1,600
Owner occupied 83.3%
Renter occupied 16.7%
Vacant 1.1%
Single-family detached 69.5%
Large apartment buildings 12.6%
Mobile homes 0.2%
Median rooms 6.5
Avg household size (owned) 2.84
Year built
Era %
2020 or later 0.2%
2010–2019 3.5%
2000–2009 9.1%
1990–1999 12.0%
1980–1989 9.5%
1970–1979 10.1%
1960–1969 19.3%
1950–1959 21.3%
1940–1949 5.3%
1939 or earlier 9.8%
Bedrooms
Size % of units
No bedroom (studio) 2.6%
1 bedroom 10.0%
2 bedrooms 20.8%
3 bedrooms 34.2%
4 bedrooms 28.6%
5+ bedrooms 3.7%
Vehicles per household
Vehicles % of households
No vehicle 4.6%
1 vehicle 30.6%
2 vehicles 38.6%
3 or more 26.2%
Heating fuel
Fuel type %
Utility gas 58.9%
Electricity 9.8%
Propane / LP gas 3.6%
Fuel oil 26.0%
Wood 1.1%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 5,072 60.5%
Cohabiting couple 378 4.5%
Male householder, no spouse 1,381 16.5%
Female householder, no spouse 1,550 18.5%
Households with children under 18 2,549 30.4%
Households with seniors (65+) 3,033 36.2%
Average household size 2.67
Marital status
Status Male Female
Never married 33.3% 21.2%
Married 56.4% 58.2%
Separated 2.4% 0.5%
Widowed 2.9% 10.5%
Divorced 5.1% 9.6%
Education
Some college, no degree
17.9%
Graduate / professional
20.0%
Metric %
HS diploma or higher 96.2%
Bachelor's or higher 54.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 422 7.4%
Kindergarten 268 4.7%
Elementary school 2,309 40.7%
High school 1,229 21.7%
College / grad school 1,448 25.5%
Employment
Industry of employment
Education & healthcare
26.7%
Professional & management
15.4%
Finance & real estate
7.9%
Transportation & utilities
6.4%
Arts, food & hospitality
6.0%
Public administration
3.3%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 57.3%
Service 13.3%
Sales & office 17.0%
Natural resources & construction 5.0%
Production & transportation 7.4%
Employment type
Type %
Private sector 80.1%
Government 16.0%
Self-employed 2.9%
Unpaid family workers 1.0%
Commute
Method %
Drive alone 72.1%
Carpool 5.2%
Public transit 2.6%
Walk 1.5%
Work from home 18.6%
Other means 0.0%
Avg commute (minutes) 28.9
Poverty
Married-couple families
1.8%
Female-led households
10.1%
Income support
Source % of households
Social Security 33.5%
Retirement income 25.7%
Supplemental Security 3.6%
Cash public assistance 1.3%
Food stamps / SNAP 4.1%
Health indicators
Condition %
Obesity 21.0%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 7.8%
Heart disease 5.3%
Stroke 2.3%
Asthma 8.0%
Arthritis 19.5%
Kidney disease 2.3%
Pulmonary disease 4.6%
Cancer 6.9%
Behavior / access %
Smoking 10.5%
Binge drinking 16.9%
No physical activity 14.9%
Less than 7 hrs sleep 29.7%
Depression 16.8%
Fair or poor health 8.7%
Poor mental health 12.4%
Poor physical health 7.1%
No health insurance 10.0%
Visited doctor (checkup) 73.7%
Visited dentist 75.0%
Cholesterol screening 0.0%
Teeth loss 8.1%
Veterans & disability
Veterans Count %
Civilian veterans 603 3.4%
Disability %
Any disability 7.8%
Under 18 3.3%
18–64 years 4.1%
65 and over 25.2%
Health insurance coverage
Type %
Private insurance 84.8%
Public insurance 24.5%
No insurance 3.8%
Uninsured under 19 1.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 21,374 95.5%
Spanish 1,327 6.2%
Other Indo-European 774 3.6%
Asian & Pacific Islander 285 1.3%
Other languages 215 1.0%
Place of birth & citizenship
Origin Count %
Native born (US) 19,106 85.4%
Born in same state 18,848 84.2%
Born in different state 14,333 64.0%
Foreign born 258 1.2%
Naturalized citizen 3,277 14.6%
Not a US citizen 2,423 73.9%
Ancestry
Ancestry Count %
Italian 3,784 16.9%
French 2,099 9.4%
Arab 632 2.8%
Polish 214 1%
Irish 197 0.9%
Ancestry Count %
English 182 0.8%
Dutch 89 0.4%
German 80 0.4%
Norwegian 73 0.3%
Technology access
Metric % of households
Computer access 37.4%
Internet access 97.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 07866
What city is ZIP code 07866 in?
ZIP code 07866 is primarily assigned to Rockaway, New Jersey.
What county is ZIP code 07866 in?
ZIP code 07866 falls within Morris County, New Jersey.
How educated is the population of ZIP code 07866?
54% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Is ZIP code 07866 mostly owner-occupied?
83% of occupied units in ZIP code 07866 are owner-occupied, well above the national average.
What is the median household income in ZIP code 07866?
The median household income in ZIP code 07866 is $123,710, above the national median of ~$75,000.
What is the typical home value in ZIP code 07866?
The median home value in ZIP code 07866 is $409,900.
What timezone is ZIP code 07866 in?
ZIP code 07866 observes the EST timezone.
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