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New Jersey ZIP Codes
Mercer County
Princeton, NJ
08544
08544 ZIP Code — Princeton, NJ
Mercer County, New Jersey
ZIP code 08544 is located in
Princeton ,
New Jersey ,
within Mercer County .
It covers approximately 0.17 square miles and serves a population of
4,504 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 609 .
About ZIP code 08544
The housing stock consists of a mix of housing types. Much of the housing stock is relatively new, reflecting recent development activity.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 13 minutes is near the national average. Remote work is prevalent — 26% of workers work from home.
Educational attainment is high — 91% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 08544 reflects a community defined by a highly educated population, economic challenges above the national average, and a high rate of remote workers.
08544 ZIP code map
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Cities in ZIP code 08544
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
4,504
Population density
26,494 / sq mi
State FIPS
34
County FIPS
021
Geography
Land area
0.17 sq mi
Water area
0.00 sq mi
Latitude
40.3443
Longitude
-74.6550
Timezone
Eastern (ET)
Area code
609
Demographics & statistics
$0
Median household income
91.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 10 0.2%
18 and over 4,494 99.8%
65 and over 0 0.0%
Median age 20.4 years
Race & ethnicity
Black or African American
9%
American Indian / Alaska Native
1.2%
Group Count %
White 2,508 54.1%
Asian 1,111 24%
Black or African American 416 9%
Two or more races 392 8.5%
Hispanic or Latino 128 2.8%
American Indian / Alaska Native 56 1.2%
Other race 21 0.5%
Household income
Range % of households
Under $10k 100.0%
Median income $0
Housing
Home values
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 0.0%
Renter occupied 100.0%
Vacant 0.0%
Single-family detached 0.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 0.0
Avg household size (owned) 0.00
Year built
Era %
2020 or later 0.0%
2010–2019 100.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 0.0%
1970–1979 0.0%
1960–1969 0.0%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 0.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 0.0%
3 bedrooms 100.0%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 100.0%
1 vehicle 0.0%
2 vehicles 0.0%
3 or more 0.0%
Heating fuel
Fuel type %
Utility gas 100.0%
Households & families
Household type Count %
Married-couple family 0 0.0%
Cohabiting couple 0 0.0%
Male householder, no spouse 13 100.0%
Female householder, no spouse 0 0.0%
Households with children under 18 0 0.0%
Households with seniors (65+) 0 0.0%
Average household size 4.15
Marital status
Status Male Female
Never married 97.3% 99.7%
Married 2.7% 0.3%
Separated 0.0% 0.0%
Widowed 0.0% 0.0%
Divorced 0.0% 0.0%
Education
Some college, no degree
3.7%
Graduate / professional
37.8%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 91.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 4,499 100.0%
Employment
Industry of employment
Education & healthcare
46.2%
Professional & management
11.9%
Arts, food & hospitality
11.2%
Finance & real estate
4.5%
Public administration
2.0%
Agriculture & mining
1.2%
Transportation & utilities
1.0%
Occupation
Category %
Management, business & arts 60.8%
Service 14.8%
Sales & office 19.5%
Natural resources & construction 0.0%
Production & transportation 4.9%
Employment type
Type %
Private sector 90.7%
Government 7.7%
Self-employed 1.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 13.9%
Carpool 3.5%
Public transit 3.9%
Walk 49.5%
Work from home 25.7%
Other means 3.5%
Avg commute (minutes) 12.7
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 0.0%
Retirement income 0.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 0.0%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 0.0%
Heart disease 0.0%
Stroke 0.0%
Asthma 0.0%
Arthritis 0.0%
Kidney disease 0.0%
Pulmonary disease 0.0%
Cancer 0.0%
Behavior / access %
Smoking 0.0%
Binge drinking 0.0%
No physical activity 0.0%
Less than 7 hrs sleep 0.0%
Depression 0.0%
Fair or poor health 0.0%
Poor mental health 0.0%
Poor physical health 0.0%
No health insurance 0.0%
Visited doctor (checkup) 0.0%
Visited dentist 0.0%
Cholesterol screening 0.0%
Teeth loss 0.0%
Veterans & disability
Veterans Count %
Civilian veterans 8 0.2%
Disability %
Any disability 3.5%
Under 18 0.0%
18–64 years 3.5%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 92.3%
Public insurance 7.4%
No insurance 2.4%
Uninsured under 19 1.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 4,504 100.0%
Spanish 294 6.5%
Other Indo-European 17 0.4%
Asian & Pacific Islander 72 1.6%
Other languages 199 4.4%
Place of birth & citizenship
Origin Count %
Native born (US) 3,636 80.7%
Born in same state 3,468 77.0%
Born in different state 1,157 25.7%
Foreign born 168 3.7%
Naturalized citizen 868 19.3%
Not a US citizen 175 20.2%
Ancestry
Ancestry Count %
Italian 572 12.7%
French 396 8.8%
English 54 1.2%
German 44 1%
Dutch 42 0.9%
Ancestry Count %
Polish 26 0.6%
Irish 22 0.5%
Arab 11 0.2%
Norwegian 4 0.1%
Technology access
Metric % of households
Computer access 0.3%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 08544
What city is ZIP code 08544 in?
ZIP code 08544 is primarily assigned to Princeton, New Jersey.
What county is ZIP code 08544 in?
ZIP code 08544 falls within Mercer County, New Jersey.
What is the poverty rate in ZIP code 08544?
100% of residents in ZIP code 08544 live below the poverty line, above the national average.
How educated is the population of ZIP code 08544?
91% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the population of ZIP code 08544?
ZIP code 08544 has an estimated population of 4,504 residents, with a density of 27,133 people per square mile.
What timezone is ZIP code 08544 in?
ZIP code 08544 observes the EST timezone.
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