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New Jersey ZIP Codes
Union County
Clark, NJ
07066
07066 ZIP Code — Clark, NJ
Union County, New Jersey
ZIP code 07066 is located in
Clark ,
New Jersey ,
within Union County .
It covers approximately 4.38 square miles and serves a population of
15,415 residents.
This is a po box ZIP code in the Eastern (ET) timezone,
served by area code 732/908 .
About ZIP code 07066
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $546,800. Owner-occupancy is high at 77%, well above the national average.
The gap between median ($120,882) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 41% 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 31 minutes is near the national average.
Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 07066 reflects a community defined by high homeownership and a significant Social Security-dependent population.
07066 ZIP code map
View map of 07066
Cities in ZIP code 07066
Below are the cities the US Postal Service accepts for ZIP code 07066. Using any city not on this list may result in mail delivery delays.
City
Status
Clark
Acceptable
Demographics
updated 05/2026
Population
Total population
15,415
Population density
3,519 / sq mi
State FIPS
34
County FIPS
039
Geography
Land area
4.38 sq mi
Water area
0.18 sq mi
Latitude
40.6219
Longitude
-74.3169
Timezone
Eastern (ET)
Area code
732/908
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.8%
29.7%
30.2%
$50k – $100k
26.6%
28.5%
26.7%
$100k – $200k
37.8%
27.1%
28.3%
Over $200k
16.8%
14.6%
14.8%
Demographics & statistics
$120,882
Median household income
$546,800
Median home value
$1,734
Median monthly rent
45.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 3,242 21.0%
18 and over 12,173 79.0%
65 and over 3,251 21.1%
Median age 43.1 years
Race & ethnicity
Black or African American
2.4%
Group Count %
White 13,530 83.1%
Hispanic or Latino 858 5.3%
Two or more races 677 4.2%
Asian 551 3.4%
Black or African American 386 2.4%
Other race 271 1.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.8%
29.7%
30.2%
$50k – $100k
26.6%
28.5%
26.7%
$100k – $200k
37.8%
27.1%
28.3%
Over $200k
16.8%
14.6%
14.8%
Range % of households
Under $10k 1.3%
$10k–$15k 1.2%
$15k–$25k 4.5%
$25k–$35k 2.8%
$35k–$50k 5.8%
$50k–$75k 12.6%
$75k–$100k 11.8%
$100k–$150k 24.6%
$150k–$200k 14.3%
$200k+ 21.1%
Median income $120,882
Housing
Housing overview
Metric Value
Median home value $546,800
Median rent / month $1,734
Owner occupied 76.7%
Renter occupied 23.3%
Vacant 2.4%
Single-family detached 73.7%
Large apartment buildings 10.3%
Mobile homes 0.0%
Median rooms 6.7
Avg household size (owned) 2.79
Year built
Era %
2020 or later 0.8%
2010–2019 5.5%
2000–2009 5.1%
1990–1999 2.9%
1980–1989 3.5%
1970–1979 13.6%
1960–1969 23.1%
1950–1959 32.5%
1940–1949 9.0%
1939 or earlier 3.9%
Bedrooms
Size % of units
No bedroom (studio) 0.8%
1 bedroom 13.0%
2 bedrooms 15.2%
3 bedrooms 43.0%
4 bedrooms 24.1%
5+ bedrooms 3.9%
Vehicles per household
Vehicles % of households
No vehicle 4.2%
1 vehicle 32.9%
2 vehicles 41.2%
3 or more 21.8%
Heating fuel
Fuel type %
Utility gas 82.4%
Electricity 7.4%
Propane / LP gas 2.3%
Fuel oil 6.8%
No fuel used 1.0%
Households & families
Household type Count %
Married-couple family 3,236 54.8%
Cohabiting couple 219 3.7%
Male householder, no spouse 690 11.7%
Female householder, no spouse 1,757 29.8%
Households with children under 18 1,707 28.9%
Households with seniors (65+) 2,392 40.5%
Average household size 2.59
Marital status
Status Male Female
Never married 29.0% 25.7%
Married 59.1% 50.1%
Separated 0.6% 1.4%
Widowed 3.1% 14.2%
Divorced 8.2% 8.6%
Education
Some college, no degree
15.6%
Graduate / professional
20.0%
Metric %
HS diploma or higher 95.5%
Bachelor's or higher 45.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 220 7.0%
Kindergarten 146 4.6%
Elementary school 1,349 42.9%
High school 643 20.4%
College / grad school 790 25.1%
Employment
Industry of employment
Education & healthcare
27.0%
Professional & management
10.0%
Transportation & utilities
7.2%
Public administration
7.0%
Finance & real estate
5.1%
Arts, food & hospitality
4.5%
Occupation
Category %
Management, business & arts 50.4%
Service 10.8%
Sales & office 23.8%
Natural resources & construction 5.8%
Production & transportation 9.1%
Employment type
Type %
Private sector 72.6%
Government 23.4%
Self-employed 4.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 74.8%
Carpool 4.5%
Public transit 5.7%
Walk 1.1%
Work from home 12.5%
Other means 1.4%
Avg commute (minutes) 30.6
Poverty
Married-couple families
1.6%
Female-led households
3.6%
Income support
Source % of households
Social Security 40.8%
Retirement income 40.1%
Supplemental Security 2.9%
Cash public assistance 2.0%
Food stamps / SNAP 1.9%
Health indicators
Condition %
Obesity 24.9%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 7.8%
Heart disease 6.1%
Stroke 2.7%
Asthma 8.4%
Arthritis 20.8%
Kidney disease 2.6%
Pulmonary disease 5.3%
Cancer 7.8%
Behavior / access %
Smoking 11.3%
Binge drinking 17.5%
No physical activity 19.4%
Less than 7 hrs sleep 31.1%
Depression 16.9%
Fair or poor health 10.2%
Poor mental health 12.2%
Poor physical health 8.2%
No health insurance 11.3%
Visited doctor (checkup) 75.2%
Visited dentist 72.2%
Cholesterol screening 0.0%
Teeth loss 9.3%
Veterans & disability
Veterans Count %
Civilian veterans 559 4.6%
Disability %
Any disability 9.7%
Under 18 1.9%
18–64 years 8.5%
65 and over 21.2%
Health insurance coverage
Type %
Private insurance 87.9%
Public insurance 26.3%
No insurance 1.5%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 14,687 95.3%
Spanish 989 6.7%
Other Indo-European 279 1.9%
Asian & Pacific Islander 412 2.8%
Other languages 41 0.3%
Place of birth & citizenship
Origin Count %
Native born (US) 13,360 86.7%
Born in same state 13,258 86.0%
Born in different state 11,150 72.3%
Foreign born 102 0.7%
Naturalized citizen 2,055 13.3%
Not a US citizen 1,788 87.0%
Ancestry
Ancestry Count %
Italian 2,259 14.7%
French 882 5.7%
Arab 794 5.2%
Norwegian 150 1%
Irish 64 0.4%
Ancestry Count %
German 30 0.2%
Polish 21 0.1%
English 18 0.1%
Dutch 10 0.1%
Technology access
Metric % of households
Computer access 38.3%
Internet access 95.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 07066
What city is ZIP code 07066 in?
ZIP code 07066 is primarily assigned to Clark, New Jersey.
What county is ZIP code 07066 in?
ZIP code 07066 falls within Union County, New Jersey.
Does ZIP code 07066 have a large retiree population?
41% of households in ZIP code 07066 receive Social Security income, suggesting a significant retiree or disability population.
How educated is the population of ZIP code 07066?
46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 07066?
The median home value in ZIP code 07066 is $546,800.
What is the median household income in ZIP code 07066?
The median household income in ZIP code 07066 is $120,882, above the national median of ~$75,000.
What timezone is ZIP code 07066 in?
ZIP code 07066 observes the EST timezone.
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