Trenton, NJ Profile: Facts & Data


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Trenton, New Jersey - Basic Facts

The City of Trenton is the 7th largest city in New Jersey with a population of 86,376 as of July 1, 2018. Trenton ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New Jersey. See peer rankings below.

The primary coordinate point for Trenton is located at latitude 40.2171 and longitude -74.7429 in Mercer County. The formal boundaries for the City of Trenton (see map below) encompass a land area of 7.65 sq. miles and a water area of 0.51 sq. miles. Mercer County is in the Eastern time zone (GMT -5). The elevation is 59 feet.

The City of Trenton (GNIS ID: 885421) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Alternate Unofficial Names for Trenton: Chambersburg, Lamberton, Mill Hill, Santhickan, The Falls, Trent Town, Trents Town, Trent's Town.

Jump to... (On This Page!)
  1. Trenton 2018 Demographic Data
  2. Growth Rates for Trenton (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New Jersey Research Tools (Easy Tools & Current Data)
  3. New Jersey Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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


Total Population 86,376
Population in Households 80,782
Population in Familes 61,374
Population in Group Qrtrs 5,594
Population Density2 11,293
Diversity Index3 83


Median Household Income $34,476
Average Household Income $50,752
Per Capita Income $18,161


Total Housing Units 33,595 (100%)
Owner Occupied HU 9,650 (28.7%)
Renter Occupied HU 18,979 (56.5%)
Vacant Housing Units 4,966 (14.8%)
Median Home Value $128,312
Average Home Value $154,137


Total Households 28,629
Average Household Size 2.82
Family Households 17,687
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.21% 0.15%
Households 0.02% 0.11%
Families -0.04% 0.09%
Median Household Income   1.41%
Per Capita Income   2.26%

Trenton, NJ - Peer Comparisons by Rank and Percentile

The table below compares Trenton to the other 545 incorporated cities, towns and CDPs 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 # 7 99th
Population Density # 26 95th
Diversity Index # 25 96th
Median Household Income # 528 3rd
Per Capita Income # 534 2nd

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

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