What kinds of homes are in Trenton, NJ?

Name: Types of homes in Trenton, NJ, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Trenton, NJ has 34,513 (±864) homes (2020–2024 American Community Survey).

That is about 4,538 homes per square mile of land.

16.2% are detached single-family houses.

14.8% are in buildings of two to four units.

25.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 34,513 (±864)
Detached houses: 16.2%
2–4 unit buildings: 14.8%
5+ unit buildings: 25.5%

Homes in Trenton by building size

Housing units by units in structure, 2020–2024
Building type	Trenton	Mercer County	New Jersey	United States
Single-family, detached	16.2% (±1.8 points)	47.5%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	43.4% (±2.7 points)	20.1%	10.0%	6.2%
2 units	8.6% (±1.4 points)	4.2%	8.6%	3.4%
3 or 4 units	6.2% (±1.2 points)	4.4%	6.1%	4.3%
5 to 9 units	5.2% (±1.3 points)	4.0%	4.6%	4.5%
10 to 19 units	4.3% (±1.2 points)	7.9%	4.9%	4.3%
20 or more units	16.0% (±1.8 points)	11.2%	12.3%	10.3%
Mobile home	0.2% (±0.2 points)	0.5%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±0.1 points)	0.0%	0.0%	0.1%

In Trenton, the share of homes in buildings of five or more units is not measurably different from Mercer County (23.1%).

It is also higher than in New Jersey (21.8%).

It is higher than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Trenton

Nearest places with a published estimate, compared with Trenton
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Trenton	—	25.5% (±2.5 points)	—
Morrisville	1.4 mi	20.7% (±5.1 points)	Not measurably different
The College of New Jersey	3.2 mi	100.0% (±15.0 points)	Higher
Ewing Township	3.3 mi	26.0% (±3.4 points)	Not measurably different
Falls Township (Bucks County)	3.3 mi	18.1% (±3.4 points)	Lower
Mercerville	3.9 mi	9.2% (±3.2 points)	Lower
White Horse	4.0 mi	5.4% (±2.7 points)	Lower
Yardley	4.1 mi	23.1% (±8.6 points)	Not measurably different
Hamilton Township (Mercer County)	4.8 mi	17.4% (±1.8 points)	Lower

Nearby places with a measurably lower figure: Falls Township (Bucks County), PA (18.1%), Mercerville, NJ (9.2%), White Horse, NJ (5.4%).

Nearby places with a measurably higher figure: The College of New Jersey, NJ (100.0%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Mercer County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	East Windsor Township	38.9% (±4.7 points)
2	West Windsor Township	29.6% (±4.3 points)
3	Lawrence Township (Mercer County)	26.6% (±3.6 points)
4	Ewing Township	26.0% (±3.4 points)
5	Trenton	25.5% (±2.5 points)
6	Princeton	22.8% (±3.6 points)
7	Robbinsville Township	18.1% (±4.2 points)
8	Hamilton Township (Mercer County)	17.4% (±1.8 points)
9	Pennington Borough	13.2% (±5.4 points)
10	Hightstown Borough	12.3% (±7.1 points)
11	Hopewell Township (Mercer County)	2.9% (±1.4 points)

Showing 11 of 12 places in Mercer County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Trenton

How many homes are in Trenton?

Trenton, NJ has an estimated 34,513 (±864) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Trenton houses or apartments?

16.2% are detached houses and 43.4% attached houses, while 40.3% are in buildings of two or more units.

How many two-family and small multifamily homes are in Trenton?

14.8% of homes in Trenton are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Trenton city, Mercer County, New Jersey

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Trenton city, Mercer County, New Jersey (county subdivision:74000, in state:34 county:021).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.