How many homes in Mount Sinai, NY are overcrowded?

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

0.1% (±1.2 points) of occupied homes in Mount Sinai, NY have more than one occupant per room (2020–2024 American Community Survey).

0.0% have more than 1.5.

0.0% lack complete plumbing.

2.0% lack a complete kitchen.

Figures last updated on November 12, 2026.

More than 1 per room: 0.1% (±1.2 points)
Lacking plumbing: 0.0%
Lacking a kitchen: 2.0%

Crowding and facilities in Mount Sinai

Share of occupied homes, estimate (90% margin of error)
	Mount Sinai	Suffolk County	New York	United States
More than 1 person per room	0.1% (±1.2 points)	2.8% (±0.2 points)	5.3% (±0.1 points)	3.4%
More than 1.5 people per room	0.0% (±1.1 points)	0.9% (±0.1 points)	2.2% (±0.1 points)	1.2%
Lacking complete plumbing	0.0% (±1.1 points)	0.2% (±0.1 points)	0.4% (±0.1 points)	0.4%
Lacking a complete kitchen	2.0% (±3.1 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 Mount Sinai, the share of crowded homes is lower than in Suffolk County (2.8%).

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

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

Crowded homes in places near Mount Sinai

Nearest places with a published estimate, compared with Mount Sinai
Place	Distance	Crowded homes	Compared with this place
Mount Sinai	—	0.1% (±1.2 points)	—
Miller Place	1.4 mi	0.3% (±1.1 points)	Not measurably different
Village of Port Jefferson	1.7 mi	2.7% (±2.1 points)	Higher
Port Jefferson Station	2.6 mi	3.0% (±3.8 points)	Not measurably different
Terryville	2.7 mi	0.6% (±1.3 points)	Not measurably different
Village of Belle Terre	2.8 mi	0.4% (±15.6 points)	Not measurably different
Sound Beach	3.0 mi	0.9% (±1.9 points)	Not measurably different
Village of Poquott	3.8 mi	0.0% (±13.9 points)	Not measurably different
East Setauket	4.1 mi	0.2% (±1.1 points)	Not measurably different

Nearby places with a measurably higher figure: Village of Port Jefferson, NY (2.7%).

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

Mount Sinai 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 Mount Sinai

One account for renting, owning, managing and fixing homes, with these figures beside you.

Do repairs, renovations or maintenance?

Get found by owners and renters near Mount Sinai, and send estimates and invoices from your phone.

Join as a pro · Find a pro

Own or manage a rental?

List it, sign the lease and collect rent online, with the figures for Mount Sinai beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

Browse homes for rent near Mount Sinai, save the ones you like and apply online.

Browse rentals · Create a renter account

Questions about Mount Sinai

How many homes in Mount Sinai are overcrowded?

0.1% of occupied homes in Mount Sinai, NY have more than one person per room (2020–2024 American Community Survey).

How many homes in Mount Sinai lack plumbing or a kitchen?

0.0% lack complete plumbing facilities and 2.0% lack complete kitchen facilities.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Mount Sinai 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 Mount Sinai CDP, New York (place:49066, 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.