What kinds of homes are in Northwest Harbor, NY?

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

Northwest Harbor, NY has 3,936 (±402) homes (2020–2024 American Community Survey).

That is about 272 homes per square mile of land.

89.2% are detached single-family houses.

6.1% are in buildings of two to four units.

0.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 3,936 (±402)
Detached houses: 89.2%
2–4 unit buildings: 6.1%
5+ unit buildings: 0.4%

Homes in Northwest Harbor by building size

Housing units by units in structure, 2020–2024
Building type	Northwest Harbor	Suffolk County	New York	United States
Single-family, detached	89.2% (±7.2 points)	79.7%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.3% (±1.8 points)	5.9%	5.5%	6.2%
2 units	0.0% (±1.1 points)	2.6%	9.6%	3.4%
3 or 4 units	6.1% (±8.3 points)	2.1%	6.9%	4.3%
5 to 9 units	0.0% (±1.1 points)	2.2%	5.2%	4.5%
10 to 19 units	0.0% (±1.1 points)	2.6%	4.4%	4.3%
20 or more units	0.4% (±0.5 points)	3.6%	25.1%	10.3%
Mobile home	2.0% (±2.4 points)	1.3%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±1.1 points)	0.0%	0.0%	0.1%

In Northwest Harbor, the share of homes in buildings of five or more units is lower than in Suffolk County (8.4%).

It is also lower than in New York (34.7%).

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

Homes in buildings of 5 or more units in places near Northwest Harbor

Nearest places with a published estimate, compared with Northwest Harbor
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Northwest Harbor	—	0.4% (±1.6 points)	—
East Hampton North	3.3 mi	3.6% (±2.0 points)	Higher
Springs	3.4 mi	0.0% (±1.4 points)	Not measurably different
Village of Sag Harbor	3.8 mi	3.0% (±3.1 points)	Not measurably different
Village of East Hampton	4.5 mi	0.3% (±3.3 points)	Not measurably different
Shelter Island (community)	4.9 mi	0.0% (±5.2 points)	Not measurably different
Village of North Haven	4.9 mi	0.6% (±7.3 points)	Not measurably different
Village of Sagaponack	6.3 mi	1.5% (±8.2 points)	Not measurably different
Town of Shelter Island	6.3 mi	0.5% (±1.9 points)	Not measurably different

Nearby places with a measurably higher figure: East Hampton North, NY (3.6%).

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 Suffolk County, place by place

Rank	Place	Homes in buildings of 5 or more units
85 (tie)	Dix Hills	0.7% (±0.8 points)
85 (tie)	Fort Salonga	0.7% (±2.0 points)
85 (tie)	Mastic Beach	0.7% (±1.1 points)
89	Cold Spring Harbor	0.6% (±5.6 points)
90	West Islip	0.5% (±0.6 points)
91 (tie)	North Sea	0.4% (±1.7 points)
91 (tie)	Northwest Harbor	0.4% (±1.6 points)
91 (tie)	Stony Brook	0.4% (±1.3 points)
94 (tie)	Mattituck	0.3% (±2.5 points)
94 (tie)	Remsenburg-Speonk	0.3% (±4.0 points)
94 (tie)	Riverside (community)	0.3% (±5.3 points)
97	Sound Beach	0.2% (±2.0 points)
98 (tie)	Aquebogue	0.0% (±7.4 points)

Showing 13 of 112 places in Suffolk County, ranked from highest to lowest.

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

It lies inside the Town of East Hampton, 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 Northwest Harbor

How many homes are in Northwest Harbor?

Northwest Harbor, NY has an estimated 3,936 (±402) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Northwest Harbor houses or apartments?

89.2% are detached houses and 2.3% attached houses, while 6.5% are in buildings of two or more units.

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

6.1% of homes in Northwest Harbor 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 — Northwest Harbor CDP, New York

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 Northwest Harbor CDP, New York (place:53852, in state:36).

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.