What kinds of homes are in Plainsboro Township, NJ?

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

Plainsboro Township, NJ has 10,175 (±357) homes (2020–2024 American Community Survey).

That is about 865 homes per square mile of land.

30.1% are detached single-family houses.

10.9% are in buildings of two to four units.

46.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 10,175 (±357)
Detached houses: 30.1%
2–4 unit buildings: 10.9%
5+ unit buildings: 46.6%

Homes in Plainsboro Township by building size

Housing units by units in structure, 2020–2024
Building type	Plainsboro Township	Middlesex County	New Jersey	United States
Single-family, detached	30.1% (±3.3 points)	52.4%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	12.4% (±2.6 points)	11.1%	10.0%	6.2%
2 units	0.6% (±0.5 points)	6.6%	8.6%	3.4%
3 or 4 units	10.3% (±2.2 points)	5.2%	6.1%	4.3%
5 to 9 units	16.5% (±2.8 points)	6.0%	4.6%	4.5%
10 to 19 units	18.3% (±3.6 points)	8.2%	4.9%	4.3%
20 or more units	11.8% (±2.4 points)	9.8%	12.3%	10.3%
Mobile home	0.0% (±0.4 points)	0.8%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±0.4 points)	0.0%	0.0%	0.1%

In Plainsboro Township, the share of homes in buildings of five or more units is higher than in Middlesex County (24.0%).

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 Plainsboro Township

Nearest places with a published estimate, compared with Plainsboro Township
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Plainsboro Township	—	46.6% (±5.2 points)	—
Princeton Junction	2.4 mi	12.6% (±10.8 points)	Lower
Monmouth Junction	2.9 mi	34.3% (±8.3 points)	Lower
Kingston	3.5 mi	21.1% (±15.7 points)	Lower
Cranbury	3.6 mi	15.4% (±7.9 points)	Lower
Cranbury Township	3.6 mi	8.6% (±4.4 points)	Lower
Heathcote	3.7 mi	21.9% (±7.8 points)	Lower
West Windsor Township	4.1 mi	29.6% (±4.3 points)	Lower
South Brunswick Township	4.5 mi	16.8% (±2.7 points)	Lower

Nearby places with a measurably lower figure: Princeton Junction, NJ (12.6%), Monmouth Junction, NJ (34.3%), Kingston, NJ (21.1%).

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 Middlesex County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Plainsboro Township	46.6% (±5.2 points)
2	Helmetta Borough	44.3% (±8.3 points)
3	New Brunswick	43.6% (±3.9 points)
4	Highland Park Borough	34.2% (±6.5 points)
5	North Brunswick Township	32.0% (±3.7 points)
6	Edison Township	29.6% (±2.2 points)
7	Perth Amboy	27.8% (±3.4 points)

Showing 7 of 25 places in Middlesex County, ranked from highest to lowest.

The figures for Plainsboro Township include the places inside it that have pages of their own: Plainsboro Center, Princeton Meadows.

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 Plainsboro Township

How many homes are in Plainsboro Township?

Plainsboro Township, NJ has an estimated 10,175 (±357) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Plainsboro Township houses or apartments?

30.1% are detached houses and 12.4% attached houses, while 57.5% are in buildings of two or more units.

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

10.9% of homes in Plainsboro Township 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 — Plainsboro township, Middlesex 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 Plainsboro township, Middlesex County, New Jersey (county subdivision:59280, in state:34 county:023).

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.