What kinds of homes are in Washington Township (Warren County), NJ?

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

Washington Township (Warren County), NJ has 2,570 (±184) homes (2020–2024 American Community Survey).

That is about 143 homes per square mile of land.

90.7% are detached single-family houses.

0.9% are in buildings of two to four units.

0.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,570 (±184)
Detached houses: 90.7%
2–4 unit buildings: 0.9%
5+ unit buildings: 0.0%

Homes in Washington Township (Warren County) by building size

Housing units by units in structure, 2020–2024
Building type	Washington Township (Warren County)	Warren County	New Jersey	United States
Single-family, detached	90.7% (±5.3 points)	68.1%	52.6%	61.3%
Single-family, attached (townhouse, rowhouse)	8.4% (±5.1 points)	11.4%	10.0%	6.2%
2 units	0.9% (±1.4 points)	4.4%	8.6%	3.4%
3 or 4 units	0.0% (±1.7 points)	3.4%	6.1%	4.3%
5 to 9 units	0.0% (±1.7 points)	3.3%	4.6%	4.5%
10 to 19 units	0.0% (±1.7 points)	4.2%	4.9%	4.3%
20 or more units	0.0% (±1.7 points)	4.3%	12.3%	10.3%
Mobile home	0.0% (±1.7 points)	0.9%	0.9%	5.6%
Boat, RV, van, etc.	0.0% (±1.7 points)	0.0%	0.0%	0.1%

In Washington Township (Warren County), the share of homes in buildings of five or more units is lower than in Warren County (11.8%).

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 Washington Township (Warren County)

Nearest places with a published estimate, compared with Washington Township (Warren County)
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Washington Township (Warren County)	—	0.0% (±2.9 points)	—
Hampton Borough	1.9 mi	8.4% (±3.7 points)	Higher
Glen Gardner Borough	2.3 mi	17.6% (±4.6 points)	Higher
Washington Borough	2.3 mi	18.2% (±5.4 points)	Higher
Lebanon Township	3.4 mi	1.0% (±2.0 points)	Not measurably different
Franklin Township (Warren County)	5.1 mi	1.2% (±5.7 points)	Not measurably different
Bethlehem Township	5.3 mi	0.6% (±4.6 points)	Not measurably different
High Bridge Borough	5.5 mi	4.4% (±4.4 points)	Not measurably different
Oxford	5.6 mi	5.2% (±11.5 points)	Not measurably different

Nearby places with a measurably higher figure: Hampton Borough, NJ (8.4%), Glen Gardner Borough, NJ (17.6%), Washington Borough, NJ (18.2%).

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 Warren County, place by place

Rank	Place	Homes in buildings of 5 or more units
16	Pohatcong Township	0.7% (±4.2 points)
17	Knowlton Township	0.2% (±5.3 points)
18 (tie)	Frelinghuysen Township	0.0% (±8.7 points)
18 (tie)	Greenwich Township (Warren County)	0.0% (±4.3 points)
18 (tie)	Hope Township	0.0% (±9.0 points)
18 (tie)	Liberty Township	0.0% (±6.9 points)
18 (tie)	Washington Township (Warren County)	0.0% (±2.9 points)

Showing 7 of 22 places in Warren County, ranked from highest to lowest.

The figures for Washington Township (Warren County) include the places inside it that have pages of their own: Brass Castle.

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 Washington Township (Warren County)

How many homes are in Washington Township (Warren County)?

Washington Township (Warren County), NJ has an estimated 2,570 (±184) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Washington Township (Warren County) houses or apartments?

90.7% are detached houses and 8.4% attached houses, while 0.9% are in buildings of two or more units.

How many two-family and small multifamily homes are in Washington Township (Warren County)?

0.9% of homes in Washington Township (Warren County) 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 — Washington township, Warren 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 Washington township, Warren County, New Jersey (county subdivision:77300, in state:34 county:041).

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.