Trenton, NJ 08691 ZIP Code Profile

Related Place Profiles:
Robbinsville, NJ | Trenton, NJ

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ZIP Code 08691: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Trenton, NJ 08691

Acceptable Alternative
Hamilton, NJ 08691
Robbinsville, NJ 08691

Not Acceptable, USPS
Hamilton Township, NJ 08691
Hamilton Twp, NJ 08691
Uppr Free Twp, NJ 08691

  • ZIP Code Type: STANDARD
  • County: Mercer County
  • Centroid: Latitude 40.224, Longitude -74.62
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 08691 has segments in 2 Counties (Mercer, Monmouth).

  • Businesses Addresses: 550
  • PO Box Addresses: 2
  • Residential Addresses: 6,297
    • Multi-Family Addresses: 581
    • Single Family Addresses: 5,716

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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08691 ZIP Code Map

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Trenton, NJ 08691 Data & Demographics (As of July 1, 2017)


Total Population 16,185
Daytime Population: Workers 11,661
Daytime Population: Residents 7,477
Total Daytime Population (TDP) 19,138
Ratio TDP/Total Population1 1.18
Population in Households 16,090
Population in Familes 13,985
Population in Group Qrtrs 95
Population Density2 560
Diversity Index3 42


Median Household Income $115,081
Average Household Income $146,170
Per Capita Income $56,196


Total Housing Units 6,292 (100%)
Owner Occupied HU 5,496 (87.3%)
Renter Occupied HU 702 (11.2%)
Vacant Housing Units 94 ( 1.5%)
Median Home Value $416,257
Average Home Value $425,209


Total Households 6,198
Average Household Size 2.6
Family Households 4,457
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.67% 0.5%
Households 0.64% 0.53%
Families 0.59% 0.51%
Median Household Income   2.18%
Per Capita Income   2.46%

Trenton, NJ 08691 - Peer Comparisons by Rank and Percentile

The table below compares 08691 to the other 579 ZIP Codes in New Jersey by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 209 64th
Population Density # 436 25th
Diversity Index # 313 46th
Median Household Income # 110 81st
Per Capita Income # 112 81st

Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.

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