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New Jersey ZIP Codes
Mercer County
Trenton, NJ
08629
08629 ZIP Code — Trenton, NJ
Mercer County, New Jersey
ZIP code 08629 is located in
Trenton ,
New Jersey ,
within Mercer County .
It covers approximately 0.79 square miles and serves a population of
13,075 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 609 .
About ZIP code 08629
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $131,800. Owner-occupancy sits near the national average at 73%.
Median household income is $79,724.
The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.
Notable community characteristics include Spanish spoken in 27% of households.
08629 ZIP code map
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Cities in ZIP code 08629
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
13,075
Population density
16,551 / sq mi
State FIPS
34
County FIPS
021
Geography
Land area
0.79 sq mi
Water area
0.00 sq mi
Latitude
40.2204
Longitude
-74.7306
Timezone
Eastern (ET)
Area code
609
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.0%
30.6%
30.2%
$50k – $100k
39.6%
25.8%
26.7%
$100k – $200k
22.5%
28.0%
28.3%
Over $200k
4.9%
15.6%
14.8%
Demographics & statistics
$79,724
Median household income
$131,800
Median home value
$1,232
Median monthly rent
12.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 2,660 20.3%
18 and over 10,415 79.7%
65 and over 1,862 14.2%
Median age 37.0 years
Race & ethnicity
Black or African American
32.3%
Group Count %
Black or African American 5,536 32.3%
Hispanic or Latino 4,070 23.7%
Other race 3,790 22.1%
White 3,045 17.8%
Two or more races 403 2.4%
Asian 301 1.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.0%
30.6%
30.2%
$50k – $100k
39.6%
25.8%
26.7%
$100k – $200k
22.5%
28.0%
28.3%
Over $200k
4.9%
15.6%
14.8%
Range % of households
Under $10k 3.0%
$10k–$15k 3.5%
$15k–$25k 8.3%
$25k–$35k 5.0%
$35k–$50k 7.1%
$50k–$75k 20.6%
$75k–$100k 17.3%
$100k–$150k 22.7%
$150k–$200k 4.8%
$200k+ 7.8%
Median income $79,724
Housing
Housing overview
Metric Value
Median home value $131,800
Median rent / month $1,232
Owner occupied 73.2%
Renter occupied 26.8%
Vacant 3.7%
Single-family detached 30.4%
Large apartment buildings 1.7%
Mobile homes 3.8%
Median rooms 5.7
Avg household size (owned) 3.34
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 2.4%
1990–1999 3.6%
1980–1989 2.7%
1970–1979 9.0%
1960–1969 3.2%
1950–1959 25.7%
1940–1949 14.8%
1939 or earlier 38.7%
Bedrooms
Size % of units
No bedroom (studio) 3.0%
1 bedroom 7.6%
2 bedrooms 23.1%
3 bedrooms 50.4%
4 bedrooms 11.5%
5+ bedrooms 4.3%
Vehicles per household
Vehicles % of households
No vehicle 6.0%
1 vehicle 36.9%
2 vehicles 32.0%
3 or more 25.1%
Heating fuel
Fuel type %
Utility gas 72.1%
Electricity 17.3%
Propane / LP gas 2.0%
Fuel oil 8.3%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 1,928 45.3%
Cohabiting couple 256 6.0%
Male householder, no spouse 896 21.0%
Female householder, no spouse 1,180 27.7%
Households with children under 18 1,327 31.2%
Households with seniors (65+) 1,252 29.4%
Average household size 3.07
Marital status
Status Male Female
Never married 43.3% 44.0%
Married 47.0% 36.0%
Separated 1.3% 3.1%
Widowed 1.2% 5.2%
Divorced 7.2% 11.8%
Education
Less than 9th grade
10.9%
Some HS, no diploma
13.6%
Some college, no degree
25.6%
Graduate / professional
4.4%
Metric %
HS diploma or higher 75.4%
Bachelor's or higher 12.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 108 3.4%
Kindergarten 169 5.4%
Elementary school 1,107 35.1%
High school 835 26.5%
College / grad school 937 29.7%
Employment
Industry of employment
Education & healthcare
30.3%
Public administration
11.0%
Arts, food & hospitality
8.9%
Professional & management
7.9%
Transportation & utilities
7.0%
Finance & real estate
4.6%
Occupation
Category %
Management, business & arts 24.4%
Service 28.4%
Sales & office 19.5%
Natural resources & construction 6.0%
Production & transportation 21.7%
Employment type
Type %
Private sector 80.3%
Government 17.5%
Self-employed 2.2%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 72.4%
Carpool 20.1%
Public transit 3.2%
Walk 1.3%
Work from home 2.4%
Other means 0.6%
Avg commute (minutes) 22.0
Poverty
Married-couple families
5.1%
Female-led households
34.1%
Income support
Source % of households
Social Security 27.5%
Retirement income 13.9%
Supplemental Security 8.3%
Cash public assistance 7.2%
Food stamps / SNAP 12.2%
Health indicators
Condition %
Obesity 35.9%
High blood pressure 0.0%
High cholesterol 0.0%
Diabetes 10.6%
Heart disease 5.0%
Stroke 3.0%
Asthma 11.1%
Arthritis 19.2%
Kidney disease 2.7%
Pulmonary disease 5.7%
Cancer 4.2%
Behavior / access %
Smoking 19.1%
Binge drinking 15.6%
No physical activity 28.0%
Less than 7 hrs sleep 39.9%
Depression 18.6%
Fair or poor health 17.3%
Poor mental health 17.0%
Poor physical health 10.4%
No health insurance 25.2%
Visited doctor (checkup) 74.2%
Visited dentist 52.2%
Cholesterol screening 0.0%
Teeth loss 18.2%
Veterans & disability
Veterans Count %
Civilian veterans 375 3.6%
Disability %
Any disability 13.8%
Under 18 12.3%
18–64 years 11.6%
65 and over 26.0%
Health insurance coverage
Type %
Private insurance 64.4%
Public insurance 33.3%
No insurance 11.2%
Uninsured under 19 14.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 12,563 96.1%
Spanish 3,351 26.7%
Other Indo-European 2,584 20.6%
Asian & Pacific Islander 715 5.7%
Other languages 13 0.1%
Place of birth & citizenship
Origin Count %
Native born (US) 7,409 56.7%
Born in same state 6,768 51.8%
Born in different state 5,746 43.9%
Foreign born 641 4.9%
Naturalized citizen 5,666 43.3%
Not a US citizen 2,727 48.1%
Ancestry
Ancestry Count %
Arab 430 3.3%
Italian 299 2.3%
French 269 2.1%
Irish 142 1.1%
Ancestry Count %
English 26 0.2%
Polish 23 0.2%
Norwegian 19 0.1%
Technology access
Metric % of households
Computer access 32.6%
Internet access 95.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 08629
What city is ZIP code 08629 in?
ZIP code 08629 is primarily assigned to Trenton, New Jersey.
What county is ZIP code 08629 in?
ZIP code 08629 falls within Mercer County, New Jersey.
Is Spanish widely spoken in ZIP code 08629?
Approximately 27% of households in ZIP code 08629 speak Spanish as a primary language.
How educated is the population of ZIP code 08629?
13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the typical home value in ZIP code 08629?
The median home value in ZIP code 08629 is $131,800.
What is the population of ZIP code 08629?
ZIP code 08629 has an estimated population of 13,075 residents, with a density of 16,530 people per square mile.
What timezone is ZIP code 08629 in?
ZIP code 08629 observes the EST timezone.
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