How many homes in Ronkonkoma, NY are overcrowded?

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

2.6% (±1.6 points) of occupied homes in Ronkonkoma, NY have more than one occupant per room (2020–2024 American Community Survey).

1.2% have more than 1.5.

0.0% lack complete plumbing.

0.2% lack a complete kitchen.

Figures last updated on November 12, 2026.

More than 1 per room: 2.6% (±1.6 points)
Lacking plumbing: 0.0%
Lacking a kitchen: 0.2%

Crowding and facilities in Ronkonkoma

Share of occupied homes, estimate (90% margin of error)
	Ronkonkoma	Suffolk County	New York	United States
More than 1 person per room	2.6% (±1.6 points)	2.8% (±0.2 points)	5.3% (±0.1 points)	3.4%
More than 1.5 people per room	1.2% (±1.2 points)	0.9% (±0.1 points)	2.2% (±0.1 points)	1.2%
Lacking complete plumbing	0.0% (±0.7 points)	0.2% (±0.1 points)	0.4% (±0.1 points)	0.4%
Lacking a complete kitchen	0.2% (±0.3 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 Ronkonkoma, the share of crowded homes is not measurably different from Suffolk County (2.8%).

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

It is not measurably different from the national figure (3.4%).

Crowded homes in places near Ronkonkoma

Nearest places with a published estimate, compared with Ronkonkoma
Place	Distance	Crowded homes	Compared with this place
Ronkonkoma	—	2.6% (±1.6 points)	—
Bohemia	1.9 mi	0.2% (±1.4 points)	Lower
Lake Ronkonkoma	1.9 mi	2.0% (±1.0 points)	Not measurably different
Village of Islandia	2.4 mi	1.7% (±1.8 points)	Not measurably different
Holbrook	2.9 mi	1.7% (±0.9 points)	Not measurably different
Nesconset	3.3 mi	0.7% (±1.0 points)	Lower
Village of Lake Grove	3.8 mi	1.1% (±1.2 points)	Not measurably different
North Great River	3.8 mi	4.4% (±4.3 points)	Not measurably different
Central Islip	3.9 mi	12.1% (±2.8 points)	Higher

Nearby places with a measurably lower figure: Bohemia, NY (0.2%), Nesconset, NY (0.7%).

Nearby places with a measurably higher figure: Central Islip, NY (12.1%).

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

Ronkonkoma 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 Ronkonkoma

How many homes in Ronkonkoma are overcrowded?

2.6% of occupied homes in Ronkonkoma, NY have more than one person per room (2020–2024 American Community Survey).

How many homes in Ronkonkoma lack plumbing or a kitchen?

0.0% lack complete plumbing facilities and 0.2% lack complete kitchen facilities.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Ronkonkoma 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 Ronkonkoma CDP, New York (place:63473, 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.