PlainZIP

Trenton, NJ · standard

ZIP Code 08628

Mercer County, New Jersey - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

9,054
501/sq mi
$108,158
Median income
$369,500
Median home value
59.6%
Bachelor's or higher

The verdict

Trenton pairs an upper-quartile household income with upper-quartile home values, in a low-density, mixed-tenure area.

Top 14%
household income, US ZIPs
Top 24%
home value, US ZIPs
501
people per sq mi
60%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 08628 against every reporting US ZIP.

ZIP code 08628 is a mid-sized community (a standard USPS delivery area) in Trenton, Mercer County, New Jersey, home to 9,054 residents across 18.1 square miles, a density of 501 people per square mile, in the New York time zone.

ZIP 08628 lands in the middle-income range, with a median household income of $108,158 (11% below the New Jersey average), while per-capita income is $62,421. The poverty rate stands at 5.6% and the unemployment rate at 6.4%. On housing, the median home value is $369,500 (28% below the state average) with median rent at $1,775 per month, and 59.5% of occupied units are owner-occupied.

This is a highly-educated ZIP: 59.6% of adults hold a bachelor's degree or higher, the median age is 45, and the average commute is 26 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Mercer County, letting you compare 08628 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 08628

Top 5 sectors by establishment count in Trenton, NJ

Which industries have the most business establishments in ZIP 08628.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 08628, Trenton, NJ · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

9,054

Population

18.1

Area (sq mi)

501

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 08628?

45.0

Median Age

48.6%

Male

51.4%

Female

11.8%

Foreign-Born

White 62.9%
African American 21.3%
Asian 6.1%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.5%
Hispanic or Latino 7.8%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$108,158

Median Household Income

-11% vs state

$62,421

Per Capita Income

5.6%

Poverty Rate

6.4%

Unemployment Rate

26.0 min

Mean Commute Time

How ZIP 08628 ranks nationally

Trenton, NJ household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$108,158 Top 14% higher than 86% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 77.6%
Bachelor's Degree or Higher 59.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

4,555

Total Housing Units

4,468

Occupied Units

87

Vacant Units

2.04

Avg Household Size

Occupancy Type

Owner 59.5%
Renter 40.5%

$369,500

Median Home Value

-28% vs state

$1,775

Median Rent

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+7.3%

YoY Change (2024)

240

HPI Index (2000 = 100)

+140%

Total Change Since 2000

Home values in ZIP 08628 have increased 7.3% over the past year (2024). Since 2000, this ZIP has seen +140% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.3% 157
2021 +10.2% 173
2022 +19.8% 207
2023 +7.8% 223
2024 +7.3% 240

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 353 business establishments in ZIP 08628, employing approximately 11,975 people with a combined annual payroll of $971,403,000.

353

Businesses

11,975

Employees

$971.4M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 52 14.7%
Professional, scientific, and technical services 47 13.3%
Health care and social assistance 39 11.1%
Other services (except public administration) 37 10.5%
Administrative and support and waste management and remediation services 33 9.3%
Retail trade 30 8.5%
Construction 16 4.5%
Finance and insurance 16 4.5%
Real estate and rental and leasing 16 4.5%
Manufacturing 14 4.0%
Transportation and warehousing 14 4.0%
Wholesale trade 11 3.1%
Educational services 10 2.8%
Arts, entertainment, and recreation 7 2.0%
Management of companies and enterprises 6 1.7%
Information 5 1.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 08628 vs 08618 →

ZIP 08628 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 08628 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 08628 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 08628 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
08618 Trenton, NJ 38,229 2.3 mi
19067 Morrisville, PA 51,334 4.2 mi
08638 Trenton, NJ 22,832 3.2 mi
18977 Washington Crossing, PA 4,291 3.4 mi
08560 Titusville, NJ 3,656 3.8 mi
08534 Pennington, NJ 12,929 4.7 mi
19054 Levittown, PA 17,437 6.6 mi
19030 Fairless Hills, PA 12,122 6.0 mi
08608 Trenton, NJ 983 4.4 mi
08648 Lawrence Township, NJ 32,263 5.5 mi

More ZIP Codes in Mercer County

08540 standard
Princeton, NJ
Pop: 47,115
08618 standard
Trenton, NJ
Pop: 38,229
08648 standard
Lawrence Township, NJ
Pop: 32,263
08610 standard
Trenton, NJ
Pop: 30,468
08611 standard
Trenton, NJ
Pop: 28,038
08520 standard
Hightstown, NJ
Pop: 27,869

Related Areas

Mercer County Trenton, NJ New Jersey

Frequently Asked Questions

What county is ZIP code 08628 in? ▼
ZIP code 08628 (Trenton) is located in Mercer County, New Jersey. Mercer County contains multiple ZIP codes, see the full list at /counties/mercer-nj.
What is the population of ZIP code 08628? ▼
ZIP code 08628 in Trenton, NJ has a population of 9,054 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 08628? ▼
The median household income in ZIP 08628 is $108,158, which is 42% above the national average of $76,288.
What is the average home value in ZIP 08628? ▼
The median home value in ZIP 08628 is $369,500, which is 33% above the national average of $278,155.
What is the demographic makeup of ZIP 08628? ▼
The largest racial group in ZIP 08628 is White at 62.9%. Hispanic or Latino residents make up 7.8% of the population.
How many businesses are in ZIP code 08628? ▼
ZIP code 08628 has 353 business establishments employing approximately 11,975 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 08628? ▼
The top industries by establishment count in ZIP 08628 are: Accommodation and food services (52), Professional, scientific, and technical services (47), Health care and social assistance (39). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 08628? ▼
According to the FHFA House Price Index, home values in ZIP 08628 increased by 7.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 140%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 08628? ▼
In ZIP code 08628, 77.6% of residents aged 25+ have a high school diploma or higher, and 59.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 08628? ▼
The mean commute time for workers in ZIP code 08628 is 26.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 08628? ▼
In ZIP code 08628, approximately 59.5% of occupied housing units are owner-occupied and 40.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 08628? ▼
The poverty rate in ZIP code 08628 is 5.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.