Trenton, NJ 08638 ZIP Code Profile

Related Place Profiles:
Ewing, NJ | Trenton, NJ

ZIP Code 08638: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Trenton, NJ 08638

Acceptable Alternative
Ewing, NJ 08638

Not Acceptable, USPS
Ewing Township, NJ 08638
Ewing Twp, NJ 08638

  • ZIP Code Type: STANDARD
  • County: Mercer County
  • Centroid: Latitude 40.267, Longitude -74.713
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 989
  • PO Box Addresses: 340
  • Residential Addresses: 9,367
    • Multi-Family Addresses: 572
    • Single Family Addresses: 8,795

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

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


08638 ZIP Code Map

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Trenton, NJ 08638 Data & Demographics (As of July 1, 2018)


Total Population 27,948
Population in Households 23,101
Population in Familes 17,685
Population in Group Qrtrs 4,847
Population Density2 4,817
Diversity Index3 73


Median Household Income $54,107
Average Household Income $76,132
Per Capita Income $30,454


Total Housing Units 9,669 (100%)
Owner Occupied HU 5,037 (52.1%)
Renter Occupied HU 3,908 (40.4%)
Vacant Housing Units 724 ( 7.5%)
Median Home Value $211,356
Average Home Value $226,836


Total Households 8,945
Average Household Size 2.58
Family Households 5,703
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 0.69% 0.45%
Households 0.7% 0.57%
Families 0.68% 0.57%
Median Household Income   1.88%
Per Capita Income   2.54%

Trenton, NJ 08638 - Peer Comparisons by Rank and Percentile

The table below compares 08638 to the other 583 ZIP Codes in New Jersey by rank and percentile using July 1, 2018 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 # 107 82nd
Population Density # 126 79th
Diversity Index # 97 84th
Median Household Income # 505 14th
Per Capita Income # 460 21st

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

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