How many homes in Central Islip, NY are overcrowded?

Name: Crowding and facilities in Central Islip, NY, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

12.1% (±2.8 points) of occupied homes in Central Islip, NY have more than one occupant per room (2020–2024 American Community Survey).

3.4% have more than 1.5.

0.2% lack complete plumbing.

0.5% lack a complete kitchen.

Figures last updated on November 12, 2026.

More than 1 per room: 12.1% (±2.8 points)
Lacking plumbing: 0.2%
Lacking a kitchen: 0.5%

Crowding and facilities in Central Islip

Share of occupied homes, estimate (90% margin of error)
	Central Islip	Suffolk County	New York	United States
More than 1 person per room	12.1% (±2.8 points)	2.8% (±0.2 points)	5.3% (±0.1 points)	3.4%
More than 1.5 people per room	3.4% (±1.5 points)	0.9% (±0.1 points)	2.2% (±0.1 points)	1.2%
Lacking complete plumbing	0.2% (±0.3 points)	0.2% (±0.1 points)	0.4% (±0.1 points)	0.4%
Lacking a complete kitchen	0.5% (±0.4 points)	0.5% (±0.1 points)	0.8% (±0.1 points)	0.8%

A room is any whole room other than a bathroom, hall or porch; more than one person per room is the Census Bureau’s usual measure of crowding.

Complete plumbing means hot and cold running water and a bath or shower; a complete kitchen means a sink with a faucet, a stove or range and a refrigerator.

In Central Islip, the share of crowded homes is higher than in Suffolk County (2.8%).

It is also higher than in New York (5.3%).

It is higher than the national figure (3.4%).

Crowded homes in places near Central Islip

Nearest places with a published estimate, compared with Central Islip
Place	Distance	Crowded homes	Compared with this place
Central Islip	—	12.1% (±2.8 points)	—
Village of Islandia	2.0 mi	1.7% (±1.8 points)	Lower
Islip Terrace	2.3 mi	0.0% (±3.4 points)	Lower
North Great River	2.5 mi	4.4% (±4.3 points)	Lower
Hauppauge	2.8 mi	3.4% (±1.8 points)	Lower
Bohemia	3.1 mi	0.2% (±1.4 points)	Lower
Islip (community)	3.9 mi	3.1% (±1.9 points)	Lower
North Bay Shore	3.9 mi	15.1% (±3.9 points)	Not measurably different
Ronkonkoma	3.9 mi	2.6% (±1.6 points)	Lower

Nearby places with a measurably lower figure: Village of Islandia, NY (1.7%), Islip Terrace, NY (0.0%), North Great River, NY (4.4%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Central Islip 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 Central Islip

How many homes in Central Islip are overcrowded?

12.1% of occupied homes in Central Islip, NY have more than one person per room (2020–2024 American Community Survey).

How many homes in Central Islip lack plumbing or a kitchen?

0.2% lack complete plumbing facilities and 0.5% lack complete kitchen facilities.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Central Islip 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 Central Islip CDP, New York (place:13552, 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_0078PE, DP04_0078PM, DP04_0079PE, DP04_0079PM, DP04_0073PE, DP04_0073PM, DP04_0074PE, DP04_0074PM

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.