PlainZIP

Trenton, NJ · standard

ZIP Code 08691

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

15,104
223/sq mi
$132,520
Median income
$552,000
Median home value
65.7%
Bachelor's or higher

The verdict

Trenton pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 6%
household income, US ZIPs
Top 11%
home value, US ZIPs
223
people per sq mi
75%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 08691 against every reporting US ZIP.

ZIP code 08691 is a mid-sized community (a standard USPS delivery area) in Trenton, Mercer County, New Jersey, home to 15,104 residents across 67.7 square miles, a density of 223 people per square mile, in the New York time zone.

ZIP 08691 skews affluent, with a median household income of $132,520 (9% above the New Jersey average), while per-capita income is $68,118. The poverty rate stands at 4.3% and the unemployment rate at 6.0%. Housing costs here run $552,000 for a typical home value (7% above the state average), with rent averaging $1,954 a month; 74.8% of homes are owner-occupied.

This is a highly-educated ZIP: 65.7% of adults hold a bachelor's degree or higher, the median age is 44.6, and the average commute is 36 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Mercer County, so you can benchmark 08691 against its immediate geography rather than a national average 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 08691

Top 5 sectors by establishment count in Trenton, NJ

Which industries have the most business establishments in ZIP 08691.

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 08691, 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

15,104

Population

67.7

Area (sq mi)

223

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 08691?

44.6

Median Age

45.7%

Male

54.3%

Female

25.3%

Foreign-Born

White 61.2%
African American 3.1%
Asian 27.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 5.9%
Hispanic or Latino 5.4%

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?

$132,520

Median Household Income

+9% vs state

$68,118

Per Capita Income

4.3%

Poverty Rate

6.0%

Unemployment Rate

36.0 min

Mean Commute Time

How ZIP 08691 ranks nationally

Trenton, NJ household income vs. every US ZIP code

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

$132,520 Top 6% higher than 94% 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%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $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 81.1%
Bachelor's Degree or Higher 65.7%

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

What does housing look like?

7,139

Total Housing Units

6,859

Occupied Units

280

Vacant Units

2.42

Avg Household Size

Occupancy Type

Owner 74.8%
Renter 25.2%

$552,000

Median Home Value

+7% vs state

$1,954

Median Rent

1995

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

+12.0%

YoY Change (2024)

283

HPI Index (2000 = 100)

+183%

Total Change Since 2000

Home values in ZIP 08691 have increased 12.0% over the past year (2024). Since 2000, this ZIP has seen +183% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.0% 177
2021 +8.8% 193
2022 +17.4% 227
2023 +11.6% 253
2024 +12.0% 283

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 604 business establishments in ZIP 08691, employing approximately 21,729 people with a combined annual payroll of $1,232,247,000.

604

Businesses

21,729

Employees

$1.2B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 103 17.1%
Health care and social assistance 72 11.9%
Retail trade 63 10.4%
Construction 55 9.1%
Other services (except public administration) 52 8.6%
Accommodation and food services 44 7.3%
Administrative and support and waste management and remediation services 42 7.0%
Wholesale trade 37 6.1%
Transportation and warehousing 29 4.8%
Manufacturing 23 3.8%
Real estate and rental and leasing 21 3.5%
Finance and insurance 20 3.3%
Educational services 17 2.8%
Information 16 2.6%
Arts, entertainment, and recreation 7 1.2%
Utilities 3 0.5%

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 08691 vs 08561 →

ZIP 08691 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 08691 ranks #7 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 08691 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 08691 ranks #4 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
08561 Windsor, NJ 226 2.8 mi
08690 Trenton, NJ 18,567 3.7 mi
08501 Allentown, NJ 6,582 4.3 mi
08550 Princeton Junction, NJ 19,445 5.1 mi
08620 Trenton, NJ 14,693 4.1 mi
08520 Hightstown, NJ 27,869 4.5 mi
08555 Roosevelt, NJ 877 6.5 mi
08619 Trenton, NJ 22,723 5.8 mi
08536 Plainsboro, NJ 20,073 8.6 mi
08610 Trenton, NJ 30,468 6.5 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 08691 in? ▼
ZIP code 08691 (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 08691? ▼
ZIP code 08691 in Trenton, NJ has a population of 15,104 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 08691? ▼
The median household income in ZIP 08691 is $132,520, which is 74% above the national average of $76,288.
What is the average home value in ZIP 08691? ▼
The median home value in ZIP 08691 is $552,000, which is 98% above the national average of $278,155.
What is the demographic makeup of ZIP 08691? ▼
The largest racial group in ZIP 08691 is White at 61.2%. Hispanic or Latino residents make up 5.4% of the population.
How many businesses are in ZIP code 08691? ▼
ZIP code 08691 has 604 business establishments employing approximately 21,729 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 08691? ▼
The top industries by establishment count in ZIP 08691 are: Professional, scientific, and technical services (103), Health care and social assistance (72), Retail trade (63). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 08691? ▼
According to the FHFA House Price Index, home values in ZIP 08691 increased by 12.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 183%. 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 08691? ▼
In ZIP code 08691, 81.1% of residents aged 25+ have a high school diploma or higher, and 65.7% 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 08691? ▼
The mean commute time for workers in ZIP code 08691 is 36.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 08691? ▼
In ZIP code 08691, approximately 74.8% of occupied housing units are owner-occupied and 25.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 08691? ▼
The poverty rate in ZIP code 08691 is 4.3% 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.