What kinds of homes are in Pennington Borough, NJ?

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

Pennington Borough, NJ has 1,250 (±81) homes (2020–2024 American Community Survey).

That is about 1,301 homes per square mile of land.

69.8% are detached single-family houses.

7.3% are in buildings of two to four units.

13.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,250 (±81)
Detached houses: 69.8%
2–4 unit buildings: 7.3%
5+ unit buildings: 13.2%

Homes in Pennington Borough by building size

Housing units by units in structure, 2020–2024
Building type	Pennington Borough	Mercer County	New Jersey	United States
Single-family, detached	69.8% (±6.2 points)	47.5%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	9.7% (±3.4 points)	20.1%	10.0%	6.2%
2 units	1.8% (±1.8 points)	4.2%	8.6%	3.4%
3 or 4 units	5.5% (±3.5 points)	4.4%	6.1%	4.3%
5 to 9 units	1.3% (±1.4 points)	4.0%	4.6%	4.5%
10 to 19 units	4.1% (±2.7 points)	7.9%	4.9%	4.3%
20 or more units	7.8% (±4.5 points)	11.2%	12.3%	10.3%
Mobile home	0.0% (±3.5 points)	0.5%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±3.5 points)	0.0%	0.0%	0.1%

In Pennington Borough, the share of homes in buildings of five or more units is lower than in Mercer County (23.1%).

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

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

Homes in buildings of 5 or more units in places near Pennington Borough

Nearest places with a published estimate, compared with Pennington Borough
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Pennington Borough	—	13.2% (±5.4 points)	—
Hopewell Township (Mercer County)	2.5 mi	2.9% (±1.4 points)	Lower
Lawrenceville	3.1 mi	14.2% (±6.9 points)	Not measurably different
The College of New Jersey	3.9 mi	100.0% (±15.0 points)	Higher
Lawrence Township (Mercer County)	4.1 mi	26.6% (±3.6 points)	Higher
Ewing Township	4.3 mi	26.0% (±3.4 points)	Higher
Hopewell Borough	4.6 mi	0.6% (±7.7 points)	Lower
West Amwell Township	6.4 mi	0.5% (±5.1 points)	Lower
Yardley	6.4 mi	23.1% (±8.6 points)	Not measurably different

Nearby places with a measurably lower figure: Hopewell Township (Mercer County), NJ (2.9%), Hopewell Borough, NJ (0.6%), West Amwell Township, NJ (0.5%).

Nearby places with a measurably higher figure: The College of New Jersey, NJ (100.0%), Lawrence Township (Mercer County), NJ (26.6%), Ewing Township, NJ (26.0%).

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
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)
12	Hopewell Borough	0.6% (±7.7 points)

Showing 10 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 Pennington Borough

How many homes are in Pennington Borough?

Pennington Borough, NJ has an estimated 1,250 (±81) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Pennington Borough houses or apartments?

69.8% are detached houses and 9.7% attached houses, while 20.5% are in buildings of two or more units.

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

7.3% of homes in Pennington Borough 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 — Pennington borough, 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 Pennington borough, Mercer County, New Jersey (county subdivision:57600, 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.