What kinds of homes are in Sayville, NY?

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

Sayville, NY has 5,982 (±342) homes (2020–2024 American Community Survey).

That is about 1,126 homes per square mile of land.

75.2% are detached single-family houses.

7.4% are in buildings of two to four units.

14.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 5,982 (±342)
Detached houses: 75.2%
2–4 unit buildings: 7.4%
5+ unit buildings: 14.0%

Homes in Sayville by building size

Housing units by units in structure, 2020–2024
Building type	Sayville	Suffolk County	New York	United States
Single-family, detached	75.2% (±3.4 points)	79.7%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	3.1% (±1.1 points)	5.9%	5.5%	6.2%
2 units	2.7% (±1.2 points)	2.6%	9.6%	3.4%
3 or 4 units	4.7% (±1.7 points)	2.1%	6.9%	4.3%
5 to 9 units	2.7% (±1.4 points)	2.2%	5.2%	4.5%
10 to 19 units	5.7% (±3.1 points)	2.6%	4.4%	4.3%
20 or more units	5.6% (±1.8 points)	3.6%	25.1%	10.3%
Mobile home	0.2% (±0.3 points)	1.3%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±0.7 points)	0.0%	0.0%	0.1%

In Sayville, the share of homes in buildings of five or more units is higher 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 Sayville

Nearest places with a published estimate, compared with Sayville
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Sayville	—	14.0% (±3.8 points)	—
Bayport	1.5 mi	15.8% (±4.3 points)	Not measurably different
West Sayville	1.6 mi	3.0% (±2.0 points)	Lower
Blue Point	2.6 mi	4.2% (±3.1 points)	Lower
Oakdale	2.7 mi	20.4% (±7.4 points)	Not measurably different
Bohemia	3.3 mi	12.4% (±4.4 points)	Not measurably different
Holbrook	3.3 mi	11.8% (±2.7 points)	Not measurably different
Village of Patchogue	3.6 mi	35.8% (±6.9 points)	Higher
North Patchogue	4.1 mi	0.0% (±2.9 points)	Lower

Nearby places with a measurably lower figure: West Sayville, NY (3.0%), Blue Point, NY (4.2%), North Patchogue, NY (0.0%).

Nearby places with a measurably higher figure: Village of Patchogue, NY (35.8%).

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
11	East Patchogue	19.2% (±3.8 points)
12	East Moriches	17.9% (±5.3 points)
13	Greenport West	16.8% (±8.9 points)
14	Bayport	15.8% (±4.3 points)
15	Lake Ronkonkoma	15.6% (±2.6 points)
16	Melville	15.0% (±3.2 points)
17	Sayville	14.0% (±3.8 points)
18	Ronkonkoma	13.8% (±3.5 points)
19	Central Islip	13.7% (±2.7 points)
20	Port Jefferson Station	13.5% (±5.8 points)
21	Hauppauge	13.0% (±2.8 points)
22	Manorville	12.9% (±4.4 points)
23	Holtsville	12.8% (±2.5 points)

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

Sayville 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 Islip, 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 Sayville

How many homes are in Sayville?

Sayville, NY has an estimated 5,982 (±342) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Sayville houses or apartments?

75.2% are detached houses and 3.1% attached houses, while 21.4% are in buildings of two or more units.

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

7.4% of homes in Sayville 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 — Sayville 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 Sayville CDP, New York (place:65409, 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.