What kinds of homes are in the Town of Shelter Island, NY?

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

The Town of Shelter Island, NY has 3,440 (±300) homes (2020–2024 American Community Survey).

That is about 282 homes per square mile of land.

96.1% are detached single-family houses.

0.8% are in buildings of two to four units.

0.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 3,440 (±300)
Detached houses: 96.1%
2–4 unit buildings: 0.8%
5+ unit buildings: 0.5%

Homes in the Town of Shelter Island by building size

Housing units by units in structure, 2020–2024
Building type	Town of Shelter Island	Suffolk County	New York	United States
Single-family, detached	96.1% (±3.4 points)	79.7%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	2.1% (±3.1 points)	5.9%	5.5%	6.2%
2 units	0.8% (±0.9 points)	2.6%	9.6%	3.4%
3 or 4 units	0.0% (±1.2 points)	2.1%	6.9%	4.3%
5 to 9 units	0.0% (±1.2 points)	2.2%	5.2%	4.5%
10 to 19 units	0.5% (±0.8 points)	2.6%	4.4%	4.3%
20 or more units	0.0% (±1.2 points)	3.6%	25.1%	10.3%
Mobile home	0.5% (±0.8 points)	1.3%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±1.2 points)	0.0%	0.0%	0.1%

In the Town of Shelter Island, 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 the Town of Shelter Island

Nearest places with a published estimate, compared with the Town of Shelter Island
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Town of Shelter Island	—	0.5% (±1.9 points)	—
Village of Dering Harbor	2.2 mi	0.0% (±156.9 points)	Not measurably different
Village of North Haven	2.9 mi	0.6% (±7.3 points)	Not measurably different
Village of Greenport	3.5 mi	10.0% (±4.9 points)	Higher
Greenport West	3.8 mi	16.8% (±8.9 points)	Higher
East Marion	4.9 mi	2.7% (±5.7 points)	Not measurably different
Town of Southold	5.1 mi	3.7% (±1.3 points)	Higher
Village of Sag Harbor	5.2 mi	3.0% (±3.1 points)	Not measurably different
Southold (community)	5.7 mi	2.9% (±2.3 points)	Not measurably different

Nearby places with a measurably higher figure: Village of Greenport, NY (10.0%), Greenport West, NY (16.8%), Town of Southold, NY (3.7%).

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
6	Town of Huntington	4.4% (±0.5 points)
7	Town of Southampton	4.3% (±0.8 points)
8	Town of Southold	3.7% (±1.3 points)
9	Town of East Hampton	3.2% (±0.9 points)
10	Poospatuck Reservation	2.8% (±25.8 points)
11	Shinnecock Reservation	2.3% (±25.1 points)
12	Town of Shelter Island	0.5% (±1.9 points)

Showing 7 of 12 places in Suffolk County, ranked from highest to lowest.

A New York town includes the villages and hamlets inside it, so the figures for the Town of Shelter Island include them.

The figures for the Town of Shelter Island include the places inside it that have pages of their own: Shelter Island (community), Shelter Island Heights.

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 Town of Shelter Island

How many homes are in the Town of Shelter Island?

The Town of Shelter Island, NY has an estimated 3,440 (±300) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in the Town of Shelter Island houses or apartments?

96.1% are detached houses and 2.1% attached houses, while 1.3% are in buildings of two or more units.

How many two-family and small multifamily homes are in the Town of Shelter Island?

0.8% of homes in the Town of Shelter Island 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 — Shelter Island town, Suffolk County, 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 Shelter Island town, Suffolk County, New York (county subdivision:66839, in state:36 county:103).

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.