What kinds of homes are in Middle Island, NY?

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

Middle Island, NY has 4,843 (±386) homes (2020–2024 American Community Survey).

That is about 589 homes per square mile of land.

46.3% are detached single-family houses.

6.5% are in buildings of two to four units.

34.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,843 (±386)
Detached houses: 46.3%
2–4 unit buildings: 6.5%
5+ unit buildings: 34.7%

Homes in Middle Island by building size

Housing units by units in structure, 2020–2024
Building type	Middle Island	Suffolk County	New York	United States
Single-family, detached	46.3% (±5.6 points)	79.7%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	12.6% (±3.2 points)	5.9%	5.5%	6.2%
2 units	2.9% (±1.7 points)	2.6%	9.6%	3.4%
3 or 4 units	3.6% (±2.8 points)	2.1%	6.9%	4.3%
5 to 9 units	8.2% (±3.6 points)	2.2%	5.2%	4.5%
10 to 19 units	16.8% (±5.6 points)	2.6%	4.4%	4.3%
20 or more units	9.7% (±3.2 points)	3.6%	25.1%	10.3%
Mobile home	0.0% (±0.9 points)	1.3%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±0.9 points)	0.0%	0.0%	0.1%

In Middle Island, the share of homes in buildings of five or more units is higher than in Suffolk County (8.4%).

It is not measurably different from New York (34.7%).

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

Homes in buildings of 5 or more units in places near Middle Island

Nearest places with a published estimate, compared with Middle Island
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Middle Island	—	34.7% (±7.4 points)	—
Gordon Heights	2.1 mi	0.0% (±5.9 points)	Lower
Coram	3.0 mi	23.1% (±3.5 points)	Lower
Rocky Point	3.4 mi	5.0% (±2.2 points)	Lower
Ridge	3.5 mi	7.8% (±3.1 points)	Lower
Miller Place	4.1 mi	1.6% (±0.8 points)	Lower
Yaphank	4.4 mi	21.3% (±11.2 points)	Not measurably different
Mount Sinai	5.0 mi	5.4% (±3.6 points)	Lower
Sound Beach	5.0 mi	0.2% (±2.0 points)	Lower

Nearby places with a measurably lower figure: Gordon Heights, NY (0.0%), Coram, NY (23.1%), Rocky Point, NY (5.0%).

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
1	Moriches	45.9% (±11.2 points)
2	Middle Island	34.7% (±7.4 points)
3	Tuckahoe (community)	30.6% (±12.2 points)
4	Great River	29.9% (±11.4 points)
5	North Amityville	24.2% (±5.4 points)
6	Coram	23.1% (±3.5 points)
7	East Farmingdale	21.9% (±6.0 points)
8	Yaphank	21.3% (±11.2 points)

Showing 8 of 112 places in Suffolk County, ranked from highest to lowest.

Middle Island 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 Brookhaven, whose figures include it.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

What you can do on Seayora in Middle Island

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Questions about Middle Island

How many homes are in Middle Island?

Middle Island, NY has an estimated 4,843 (±386) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Middle Island houses or apartments?

46.3% are detached houses and 12.6% attached houses, while 41.2% are in buildings of two or more units.

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

6.5% of homes in Middle 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 — Middle Island 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 Middle Island CDP, New York (place:46976, 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.