What kinds of homes are in Barnum Island, NY?

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

Barnum Island, NY has 1,034 (±183) homes (2020–2024 American Community Survey).

That is about 1,195 homes per square mile of land.

69.4% are detached single-family houses.

8.1% are in buildings of two to four units.

14.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,034 (±183)
Detached houses: 69.4%
2–4 unit buildings: 8.1%
5+ unit buildings: 14.5%

Homes in Barnum Island by building size

Housing units by units in structure, 2020–2024
Building type	Barnum Island	Nassau County	New York	United States
Single-family, detached	69.4% (±11.0 points)	76.1%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	7.9% (±3.9 points)	3.2%	5.5%	6.2%
2 units	8.1% (±7.5 points)	5.6%	9.6%	3.4%
3 or 4 units	0.0% (±4.0 points)	1.9%	6.9%	4.3%
5 to 9 units	0.0% (±4.0 points)	1.7%	5.2%	4.5%
10 to 19 units	3.4% (±5.5 points)	2.2%	4.4%	4.3%
20 or more units	11.1% (±7.8 points)	9.0%	25.1%	10.3%
Mobile home	0.0% (±4.0 points)	0.2%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±4.0 points)	0.1%	0.0%	0.1%

In Barnum Island, the share of homes in buildings of five or more units is not measurably different from Nassau County (12.9%).

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

It is not measurably different from the national figure (19.1%).

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

Nearest places with a published estimate, compared with Barnum Island
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Barnum Island	—	14.5% (±10.3 points)	—
Village of Island Park	0.6 mi	9.1% (±3.9 points)	Not measurably different
Harbor Isle	1.1 mi	27.8% (±18.9 points)	Not measurably different
Long Beach	1.8 mi	38.5% (±3.3 points)	Higher
Oceanside	2.0 mi	5.9% (±1.6 points)	Not measurably different
Bay Park	2.3 mi	0.0% (±11.8 points)	Not measurably different
Lido Beach	2.3 mi	22.0% (±9.6 points)	Not measurably different
Village of East Rockaway	3.0 mi	15.6% (±4.5 points)	Not measurably different
Village of Hewlett Harbor	3.0 mi	0.0% (±16.8 points)	Not measurably different

Nearby places with a measurably higher figure: Long Beach, NY (38.5%).

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 Nassau County, place by place

Rank	Place	Homes in buildings of 5 or more units
7	Old Bethpage	21.6% (±7.9 points)
8	Manhasset	20.0% (±7.4 points)
9	Uniondale	19.8% (±3.0 points)
10	Woodbury (community)	17.7% (±5.4 points)
11	Port Washington	17.3% (±3.5 points)
12	Jericho	14.8% (±4.7 points)
13	Barnum Island	14.5% (±10.3 points)
14	New Cassel	13.7% (±4.4 points)
15	Bethpage	12.4% (±3.1 points)
16	Inwood	11.9% (±3.9 points)
17	Carle Place	10.2% (±4.4 points)
18	South Valley Stream	9.7% (±5.7 points)
19	East Meadow	9.5% (±1.9 points)

Showing 13 of 62 places in Nassau County, ranked from highest to lowest.

Barnum 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 Hempstead, 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 Barnum Island

How many homes are in Barnum Island?

Barnum Island, NY has an estimated 1,034 (±183) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Barnum Island houses or apartments?

69.4% are detached houses and 7.9% attached houses, while 22.6% are in buildings of two or more units.

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

8.1% of homes in Barnum 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 — Barnum 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 Barnum Island CDP, New York (place:04550, 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.