What kinds of homes are in Sewaren, NJ?

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

Sewaren, NJ has 1,291 (±202) homes (2020–2024 American Community Survey).

That is about 1,056 homes per square mile of land.

68.8% are detached single-family houses.

10.2% are in buildings of two to four units.

17.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,291 (±202)
Detached houses: 68.8%
2–4 unit buildings: 10.2%
5+ unit buildings: 17.2%

Homes in Sewaren by building size

Housing units by units in structure, 2020–2024
Building type	Sewaren	Middlesex County	New Jersey	United States
Single-family, detached	68.8% (±10.7 points)	52.4%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	3.8% (±3.2 points)	11.1%	10.0%	6.2%
2 units	0.6% (±1.0 points)	6.6%	8.6%	3.4%
3 or 4 units	9.6% (±10.5 points)	5.2%	6.1%	4.3%
5 to 9 units	0.9% (±1.5 points)	6.0%	4.6%	4.5%
10 to 19 units	1.9% (±2.3 points)	8.2%	4.9%	4.3%
20 or more units	14.4% (±7.4 points)	9.8%	12.3%	10.3%
Mobile home	0.0% (±3.4 points)	0.8%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±3.4 points)	0.0%	0.0%	0.1%

In Sewaren, the share of homes in buildings of five or more units is not measurably different from Middlesex County (24.0%).

It is not measurably different from New Jersey (21.8%).

It is not measurably different from the national figure (19.1%).

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

Nearest places with a published estimate, compared with Sewaren
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Sewaren	—	17.2% (±7.9 points)	—
Port Reading	1.4 mi	0.6% (±5.5 points)	Lower
Woodbridge	1.7 mi	40.6% (±6.8 points)	Higher
Perth Amboy	2.2 mi	27.8% (±3.4 points)	Higher
Hopelawn	2.5 mi	22.1% (±14.0 points)	Not measurably different
Avenel	2.6 mi	36.3% (±8.7 points)	Higher
Carteret Borough	2.8 mi	19.5% (±4.9 points)	Not measurably different
Fords	3.2 mi	18.8% (±5.1 points)	Not measurably different
Iselin	3.5 mi	26.6% (±4.8 points)	Higher

Nearby places with a measurably lower figure: Port Reading, NJ (0.6%).

Nearby places with a measurably higher figure: Woodbridge, NJ (40.6%), Perth Amboy, NJ (27.8%), Avenel, NJ (36.3%).

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
9	Monmouth Junction	34.3% (±8.3 points)
10	Iselin	26.6% (±4.8 points)
11	Monroe Manor	22.2% (±15.1 points)
12	Hopelawn	22.1% (±14.0 points)
13	Heathcote	21.9% (±7.8 points)
14	Fords	18.8% (±5.1 points)
15	Sewaren	17.2% (±7.9 points)
16 (tie)	Cranbury	15.4% (±7.9 points)
16 (tie)	Old Bridge	15.4% (±3.8 points)
18	Menlo Park Terrace	12.4% (±7.4 points)
19	Kendall Park	8.7% (±4.1 points)
20	Laurence Harbor	6.4% (±4.3 points)
21	Dayton	6.3% (±4.1 points)

Showing 13 of 32 places in Middlesex County, ranked from highest to lowest.

Sewaren is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside Woodbridge Township, whose figures include it.

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 Sewaren

How many homes are in Sewaren?

Sewaren, NJ has an estimated 1,291 (±202) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Sewaren houses or apartments?

68.8% are detached houses and 3.8% attached houses, while 27.4% are in buildings of two or more units.

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

10.2% of homes in Sewaren 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 — Sewaren CDP, 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 Sewaren CDP, New Jersey (place:66720, in state:34).

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.