Trenton, NJ 08638 ZIP Code Profile

Related Place Profiles:
Ewing, NJ | Trenton, NJ

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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: February 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, 2017)


Total Population 27,033
Daytime Population: Workers 13,711
Daytime Population: Residents 14,367
Total Daytime Population (TDP) 28,078
Ratio TDP/Total Population1 1.04
Population in Households 22,412
Population in Familes 17,031
Population in Group Qrtrs 4,621
Population Density2 4,728
Diversity Index3 74


Median Household Income $52,414
Average Household Income $71,208
Per Capita Income $28,981


Total Housing Units 9,484 (100%)
Owner Occupied HU 4,874 (51.4%)
Renter Occupied HU 3,849 (40.6%)
Vacant Housing Units 761 ( 8.0%)
Median Home Value $203,996
Average Home Value $216,301


Total Households 8,723
Average Household Size 2.57
Family Households 5,550
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 0.26% 0.23%
Households 0.33% 0.32%
Families 0.31% 0.31%
Median Household Income   0.6%
Per Capita Income   1.9%

Trenton, NJ 08638 - Peer Comparisons by Rank and Percentile

The table below compares 08638 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 # 111 81st
Population Density # 129 78th
Diversity Index # 90 85th
Median Household Income # 497 14th
Per Capita Income # 453 22nd

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

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