08628 ZIP Code — Trenton, NJ

Mercer County, New Jersey

ZIP code 08628 is located in Trenton, New Jersey, within Mercer County. It covers approximately 7.70 square miles and serves a population of 9,107 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 609.

About ZIP code 08628

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $331,700. Owner-occupancy sits near the national average at 65%.

Median household income is $102,600. The poverty rate of 6% 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 25 minutes is near the national average.

Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 08628 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

9,107

population

7.70

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

08628 ZIP code map

Cities in ZIP code 08628

Below are the cities the US Postal Service accepts for ZIP code 08628. Using any city not on this list may result in mail delivery delays.

City	Status
Trenton	Acceptable
Trenton	Acceptable
Trenton	Preferred

Nearby ZIP codes

08618 Trenton (1.8 mi) 08638 Trenton (3.2 mi) 18977 Washington Crossing (3.5 mi) 08560 Titusville (3.9 mi) 08608 Trenton (4.2 mi) 08534 Pennington (4.6 mi) 19067 Morrisville (4.8 mi) 08609 Trenton (5 mi) 08647 Trenton (5.1 mi) 08695 Trenton (5.1 mi) 08646 Trenton (5.1 mi) 08645 Trenton (5.1 mi)

Demographics updated 05/2026

Population
Total population	9,107
Population density	1,183 / sq mi
State FIPS	34
County FIPS	021

Geography
Land area	7.70 sq mi
Water area	0.32 sq mi
Latitude	40.2645
Longitude	-74.8182
Timezone	Eastern (ET)
Area code	609

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.7%	30.6%	30.2%
$50k – $100k	29.0%	25.8%	26.7%
$100k – $200k	37.6%	28.0%	28.3%
Over $200k	6.7%	15.6%	14.8%

Demographics & statistics

9,107

Population

1,183

People per sq mi

47.1

Median age

$102,600

Median household income

$56,186

Per capita income

$331,700

Median home value

$1,458

Median monthly rent

64.6%

Home ownership

6.1%

Poverty rate

5.1%

Unemployment

2,979

Housing units

59.8%

Bachelor's or higher

Age distribution

Male Female

212

Under 5

224

174

5–9

183

123

10–14

130

179

15–19

189

214

20–24

227

631

25–34

667

602

35–44

636

537

45–54

567

442

55–59

466

279

60–64

295

573

65–74

605

299

75–84

315

164

85+

174

← Male

Female →

Age summary

Group	Count	%
Under 18	1,395	15.3%
18 and over	7,712	84.7%
65 and over	2,130	23.4%
Median age	47.1 years

Race & ethnicity

White 72.5%

Black or African American 12%

Asian 6.2%

Two or more races 5%

Hispanic or Latino 3%

Other race 1.3%

Group	Count	%
White	6,811	72.5%
Black or African American	1,123	12%
Asian	585	6.2%
Two or more races	468	5%
Hispanic or Latino	285	3%
Other race	120	1.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.7%	30.6%	30.2%
$50k – $100k	29.0%	25.8%	26.7%
$100k – $200k	37.6%	28.0%	28.3%
Over $200k	6.7%	15.6%	14.8%

Under $10k 1.9%

$10k–$15k 1.4%

$15k–$25k 2.3%

$25k–$35k 5.2%

$35k–$50k 6.7%

$50k–$75k 17.8%

$75k–$100k 13.8%

$100k–$150k 23.0%

$150k–$200k 13.8%

$200k+ 14.1%

Range	% of households
Under $10k	1.9%
$10k–$15k	1.4%
$15k–$25k	2.3%
$25k–$35k	5.2%
$35k–$50k	6.7%
$50k–$75k	17.8%
$75k–$100k	13.8%
$100k–$150k	23.0%
$150k–$200k	13.8%
$200k+	14.1%
Median income	$102,600

Housing

Home values

Under $50k 0.2%

$50k–$100k 0.9%

$100k–$150k 2.7%

$150k–$200k 5.7%

$200k–$300k 31.6%

$300k–$500k 51.7%

$500k–$1M 7.2%

Housing overview

Metric	Value
Median home value	$331,700
Median rent / month	$1,458
Owner occupied	64.6%
Renter occupied	35.4%
Vacant	7.9%
Single-family detached	46.6%
Large apartment buildings	8.7%
Mobile homes	0.4%
Median rooms	5.8
Avg household size (owned)	2.25

Year built

Era	%
2020 or later	0.6%
2010–2019	9.8%
2000–2009	8.7%
1990–1999	7.7%
1980–1989	17.9%
1970–1979	16.1%
1960–1969	12.6%
1950–1959	10.7%
1940–1949	7.8%
1939 or earlier	7.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	22.6%
2 bedrooms	25.7%
3 bedrooms	27.4%
4 bedrooms	19.0%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	42.1%
2 vehicles	42.8%
3 or more	11.9%

Heating fuel

Fuel type	%
Utility gas	75.3%
Electricity	17.0%
Propane / LP gas	2.1%
Fuel oil	5.3%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,635	40.2%
Cohabiting couple	239	5.9%
Male householder, no spouse	757	18.6%
Female householder, no spouse	1,439	35.4%
Households with children under 18	756	18.6%
Households with seniors (65+)	1,440	35.4%
Average household size	2.05

Marital status

Status	Male	Female
Never married	44.1%	30.6%
Married	43.0%	44.8%
Separated	0.5%	1.2%
Widowed	3.7%	11.2%
Divorced	8.8%	12.2%

Education

Less than 9th grade 0.3%

Some HS, no diploma 3.2%

HS graduate 20.2%

Some college, no degree 9.5%

Associate's degree 6.9%

Bachelor's degree 34.6%

Graduate / professional 25.2%

Metric	%
HS diploma or higher	96.4%
Bachelor's or higher	59.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	159	9.9%
Kindergarten	109	6.8%
Elementary school	453	28.3%
High school	391	24.4%
College / grad school	490	30.6%

Employment

Industry of employment

Education & healthcare 34.6%

Professional & management 11.2%

Finance & real estate 10.0%

Public administration 8.2%

Manufacturing 6.0%

Arts, food & hospitality 5.7%

Other services 5.5%

Retail trade 4.3%

Wholesale trade 4.0%

Transportation & utilities 3.9%

Construction 3.7%

Information 3.1%

Occupation

Category	%
Management, business & arts	60.6%
Service	11.5%
Sales & office	17.8%
Natural resources & construction	3.7%
Production & transportation	6.3%

Employment type

Type	%
Private sector	74.3%
Government	22.6%
Self-employed	3.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.5%
Carpool	5.4%
Public transit	1.4%
Walk	0.7%
Work from home	15.1%
Other means	0.0%
Avg commute (minutes)	24.5

Poverty

All people 6.1%

Under 18 years 6.1%

18 and over 6.2%

Married-couple families 1.3%

Female-led households 6.5%

Income support

Source	% of households
Social Security	33.9%
Retirement income	31.5%
Supplemental Security	3.4%
Cash public assistance	0.9%
Food stamps / SNAP	2.2%

Health indicators

Condition	%
Obesity	26.4%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	8.3%
Heart disease	5.7%
Stroke	2.6%
Asthma	9.1%
Arthritis	22.0%
Kidney disease	2.6%
Pulmonary disease	4.8%
Cancer	7.2%

Behavior / access	%
Smoking	11.1%
Binge drinking	15.6%
No physical activity	17.1%
Less than 7 hrs sleep	31.9%
Depression	16.8%
Fair or poor health	9.4%
Poor mental health	12.4%
Poor physical health	7.3%
No health insurance	10.6%
Visited doctor (checkup)	76.6%
Visited dentist	71.0%
Cholesterol screening	0.0%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	308	4.0%

Disability	%
Any disability	10.5%
Under 18	3.0%
18–64 years	9.3%
65 and over	19.2%

Health insurance coverage

Type	%
Private insurance	84.0%
Public insurance	32.5%
No insurance	2.3%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,671	95.2%
Spanish	326	3.8%
Other Indo-European	139	1.6%
Asian & Pacific Islander	100	1.2%
Other languages	87	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,983	87.7%
Born in same state	7,876	86.5%
Born in different state	5,654	62.1%
Foreign born	107	1.2%
Naturalized citizen	1,124	12.3%
Not a US citizen	550	48.9%

Ancestry

Ancestry	Count	%
Italian	1,439	15.8%
French	693	7.6%
Arab	238	2.6%
English	147	1.6%

Ancestry	Count	%
Irish	131	1.4%
Dutch	101	1.1%
Norwegian	68	0.7%
Polish	43	0.5%

Technology access

Metric	% of households
Computer access	44.7%
Internet access	95.8%

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

Frequently asked questions about ZIP code 08628

What city is ZIP code 08628 in?

ZIP code 08628 is primarily assigned to Trenton, New Jersey.

What county is ZIP code 08628 in?

ZIP code 08628 falls within Mercer County, New Jersey.

How educated is the population of ZIP code 08628?

60% 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 08628?

The median home value in ZIP code 08628 is $331,700.

What is the median household income in ZIP code 08628?

The median household income in ZIP code 08628 is $102,600, above the national median of ~$75,000.

What is the population of ZIP code 08628?

ZIP code 08628 has an estimated population of 9,107 residents, with a density of 1,182 people per square mile.

What timezone is ZIP code 08628 in?

ZIP code 08628 observes the EST timezone.