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 90,837 as of July 1, 2022. 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 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 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 2022 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 - 2022 Demographics

Trenton, NJ Data & Demographics (As of July 1, 2022)


Total Population 90,837 (100%)
Population in Households 86,411 (95.1%)
Population in Families 64,843 (71.4%)
Population in Group Quarters1 4,426 ( 4.9%)
Population Density 11,942
Diversity Index2 84


Median Household Income $38,275
Average Household Income $59,537
% of Income for Mortgage4 18%
Per Capita Income $20,156
Wealth Index5 38


Total HU (Housing Units) 34,711 (100%)
Owner Occupied HU 11,237 (32.4%)
Renter Occupied HU 19,081 (55.0%)
Vacant Housing Units 4,393 (12.7%)
Median Home Value $132,372
Average Home Value $216,546
Housing Affordability Index3 91


Total Households 30,318
Average Household Size 2.85
Family Households 18,228
Average Family Size 4.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population -0.02% 0.07%
Households 0.26% 0.11%
Families   0.07%
Median Household Income   4.83%
Per Capita Income   3.14%
Owner Occupied HU   0.69%

Trenton, NJ - Peer Comparisons by Rank and Percentile

The table below compares Trenton to the other 701 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2022 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 96th
Median Household Income # 689 2nd
Housing Affordability Index # 203 29th
Per Capita Income # 687 2nd
Diversity Index # 43 94th

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

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