Postal Codes

08638 ZIP Code

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ZIP code 08638 covers Trenton, New Jersey, with a population of about 23,373 and a median household income of $65,650.

Population
23,3734,307 per square mile
Median age
35.82.9 points below the US average
Median household income
$65,65035% below the New Jersey median
Poverty rate
21.6%9.2 points above the US average
Typical home value
$317,404up 30.5% in five years
Median rent
$1,4999% below the New Jersey median
Degree or higher
30.9%4.1 points below the US average
Homeownership
56.3%8.7 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
557

Where 08638 is

Trenton, New Jersey — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,373
Median age35.8
Family households53.6%
Born outside the US23.6%
Speaks a language other than English at home23.6%
White (non-Hispanic)31.1%
Black (non-Hispanic)43.1%
Asian (non-Hispanic)1.6%
Hispanic or Latino20.6%
Veterans4.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$65,650
Income per person$33,023
Poverty rate21.6%
Households on SNAP or cash assistance13.9%

Household income distribution

Under $10k13.7%
$10–15k5.4%
$15–20k4.1%
$20–25k2.0%
$25–30k2.1%
$30–35k2.3%
$35–40k3.5%
$40–45k3.1%
$45–50k4.5%
$50–60k5.6%
$60–75k9.2%
$75–100k12.6%
$100–125k8.7%
$125–150k8.4%
$150–200k10.1%
$200k or more4.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,590
Mean adjusted gross income$55,646
Returns declaring $200,000 or more2.4%
Returns, under $25k32.4%
Returns, $25k–$50k27.4%
Returns, $50k–$75k17.1%
Returns, $75k–$100k8.9%
Returns, $100k–$200k11.7%
Returns, $200k or more2.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$226,700
Median gross rent$1,499
Rent as a share of household income38.2%
Owner-occupied56.3%
Vacant homes10%
Median year built1958

What the homes are

Detached house45.6%
Attached house26.6%
2 to 4 units5.8%
5 to 19 units7.2%
20 or more units14.7%
Mobile home0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$317,404as of 2026-07
Typical home value, 1 yeardown 4.2%
Typical home value, 5 yearsup 30.5%
Typical home value, 10 yearsup 122.5%
Typical asking rent$1,914as of 2026-07
Typical asking rent, 1 yeardown 1.3%
Typical home value since 2000
200020132026$331,301$91,535

$91,535 in 2000 to $317,404 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.4%
Bachelor's degree or higher30.9%
High school diploma or higher88.9%
Works from home10.3%
Drives to work alone67.6%
Takes public transport7.3%
Commutes 45 minutes or more18.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity31.4% 2 pts below the national average of 33.4%
Diagnosed diabetes13.3% 1.3 pts above the national average of 12%
Currently smokes14.1% 0.9 pts above the national average of 13.2%
High blood pressure35.3% 1.2 pts above the national average of 34.1%
Fair or poor general health22.5% 2.2 pts above the national average of 20.3%
No health insurance (18–64)14.6% 3.3 pts above the national average of 11.3%
Depression15.6% 6.3 pts below the national average of 21.9%
No leisure-time physical activity29.5% 4.1 pts above the national average of 25.4%
Arthritis21.7% 3.4 pts below the national average of 25.1%
Binge drinking13.9% 2.1 pts below the national average of 16%
Taking blood pressure medication75.6% 0.9 pts above the national average of 74.7%
Cancer (non-skin)6.1% 1.6 pts below the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease5.9% same as the national average of 6.2%
Routine check-up in past year78.6% 1.9 pts above the national average of 76.7%
Cholesterol screening87.1% 1.2 pts above the national average of 85.9%
Cognitive disability14.5% same as the national average of 14.8%
Colorectal screening61.8% 2.5 pts below the national average of 64.3%
COPD6.1% 0.5 pts below the national average of 6.6%
Visited a dentist56.3% 5 pts below the national average of 61.3%
Any disability27.6% 3.1 pts below the national average of 30.7%
Lacks emotional support28.6% 3.8 pts above the national average of 24.8%
Food insecurity24.4% 7.3 pts above the national average of 17.1%
Received food stamps18% 3.7 pts above the national average of 14.3%
Hearing disability5.2% 1.5 pts below the national average of 6.7%
High cholesterol35.9% same as the national average of 36.2%
Housing insecurity20.9% 7.1 pts above the national average of 13.8%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Lacks transport12.3% 3.1 pts above the national average of 9.2%
Loneliness34.8% same as the national average of 34.4%
Mammography use75.4% 0.5 pts below the national average of 75.9%
Poor mental health (14+ days)17.2% same as the national average of 16.8%
Mobility disability13.9% same as the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability5% 1 pts above the national average of 4%
Utility shut-off threat13.3% 4.5 pts above the national average of 8.8%
Sleeps under 7 hours41.9% 5.5 pts above the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost14.9% 1.9 pts above the national average of 13%
Vision disability6.9% 1.3 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments557
People employed10,114
Annual payroll$631,123,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 67.5% of US census tracts
FEMA ratingVery Low to Relatively High across the 12 census tracts this ZIP code covers
Expected annual loss66 out of 100
Community resilience58.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind94.3Very High at its worst in this ZIP code
Winter weather86.4Relatively High at its worst in this ZIP code
Ice storm84.1Relatively High at its worst in this ZIP code
Hurricane83.8Relatively Moderate at its worst in this ZIP code
Earthquake77.9Relatively Moderate at its worst in this ZIP code
River flooding77.9Very High at its worst in this ZIP code
Heat wave73.2Relatively High at its worst in this ZIP code
Lightning65.7Relatively High at its worst in this ZIP code
Cold wave55.8Relatively Moderate at its worst in this ZIP code
Tornado46.8Relatively Moderate at its worst in this ZIP code
Drought46.5Very Low at its worst in this ZIP code
Landslide37.6Very Low at its worst in this ZIP code
Wildfire36.3Very Low at its worst in this ZIP code
Hail22.7Very Low at its worst in this ZIP code
Compared with New Jersey and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew JerseyUnited States
Median household income$65,650$101,050$78,538
Income per person$33,023$53,118$43,289
Poverty rate21.6%9.8%12.4%
Median home value$226,700$427,600$303,400
Median gross rent$1,499$1,653$1,348
Homeownership56.3%63.7%65%
Bachelor's degree or higher30.9%42.9%35%
Unemployment rate5.4%6.2%5.2%
Works from home10.3%15%13.5%
Born outside the US23.6%23.5%13.9%
Median age35.840.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationTRENTON STATE COLLEGE, NJ US3.4 km away
Rain in a year47 in

Average high and low by month

January39.9°F / 22.7°F3.64 in rain
February42.9°F / 23.7°F2.75 in rain
March51.2°F / 31°F4.43 in rain
April63.2°F / 40.5°F3.64 in rain
May72.6°F / 49.9°F3.54 in rain
June81.6°F / 59.3°F4.65 in rain
July86.5°F / 65°F4.82 in rain
August84°F / 63.2°F4.27 in rain
September77.7°F / 56°F4.13 in rain
October66.1°F / 44.4°F3.98 in rain
November55°F / 34.5°F3.16 in rain
December44.5°F / 26.3°F4.34 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket64% of this ZIP code's area
No vehicle and far from a supermarket49% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Ewing Township School District77.7% of this ZIP code's land area
Trenton City School District22.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability53more vulnerable than 53% of US census tracts
Socioeconomic status56more vulnerable than 56% of US census tracts
Household characteristics47more vulnerable than 47% of US census tracts
Racial and ethnic minority status70more vulnerable than 70% of US census tracts
Housing type and transport47more vulnerable than 47% of US census tracts
Walkability13.4 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

08618 Trenton, NJ2.2 km away
08608 Trenton, NJ3.4 km away
08609 Trenton, NJ3.4 km away
08611 Trenton, NJ4.1 km away
08640 Joint Base Mdl, NJ4.1 km away
08641 Joint Base Mdl, NJ4.1 km away
08644 Trenton, NJ4.1 km away
08648 Lawrence Township, NJ4.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Mercer County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area5.43 sq mi
Water area0.02 sq mi
Population density4,307 people per sq mi
Latitude, longitude40.2510, -74.7627

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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