Housing data for the Town of Islip, NY

The Town of Islip, NY has an estimated 339,106 residents and 109,533 homes (US Census Bureau, 2020–2024 American Community Survey).

It is a town in Suffolk County.

19.5% of households rent.

The median gross rent is $2,209 a month.

Its population grew measurably since 2015–2019 (+2.3%).

Figures last updated on .

Residents
339,106 (±46)
Housing units
109,533 (±1,498)
Households that rent
19.5%
Median gross rent
$2,209
Residents since 2015–2019
+2.3%

What stands out in the Town of Islip

Working from home: 8.3% (±0.5 points) in the Town of Islip, lower than in Suffolk County (12.0%).

Homes in buildings of 5 or more units: 11.1% (±0.8 points) in the Town of Islip, higher than in Suffolk County (8.4%).

Commuting by public transportation: 3.5% (±0.4 points) in the Town of Islip, lower than in Suffolk County (4.8%).

Households without a vehicle: 6.3% (±0.8 points) in the Town of Islip, higher than in Suffolk County (5.1%).

Housing in the Town of Islip at a glance

The Town of Islip against Suffolk County, its state and the nation

Estimate (90% margin of error)
Town of IslipSuffolk CountyNew YorkUnited States
Residents339,106 (±46)1,530,146 (exact)19,852,366 (exact)334,922,499
Housing units109,533 (±1,498)580,772 (±234)8,585,241 (±652)143,775,355
Households that rent19.5% (±1.0 points)17.8% (±0.5 points)45.7% (±0.2 points)34.8%
Median gross rent$2,209 (±$47)$2,255 (±$27)$1,621 (±$7)$1,413
Median household income$130,132 (±$2,573)$130,686 (±$1,707)$85,974 (±$402)$80,734
Median home value$535,300 (±$6,786)$578,400 (±$2,887)$423,800 (±$1,627)$332,700
Median real estate taxes (a year)$10,000 or more$10,000 or more$6,582 (±$21)$3,119
Built before 198075.1% (±1.8 points)68.3% (±0.7 points)73.9% (±0.2 points)49.7%
Average commute28.3 minutes (±0.6)31.1 minutes (±0.3)32.6 minutes (±0.1)26.4 minutes
Households with broadband91.3% (±0.8 points)93.2% (±0.3 points)90.8% (±0.1 points)91.0%
Median age of residents39.2 years (±0.6)41.7 years (±0.2)39.8 years (±0.1)38.9 years

The Town of Islip covers 103.2 square miles of land, about 3,286 residents per square mile (Census Bureau Gazetteer).

How the Town of Islip has changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
2015–20192020–2024Amount of changeVerdict
Residents331,499 (±89)339,106 (±46)+2.3%Measurable increase
Housing units107,792 (±1,198)109,533 (±1,498)+1.6%Not a measurable change
Median gross rent$1,730 (±$31)$2,209 (±$47)+27.7%Up after inflation
Median home value$365,900 (±$2,395)$535,300 (±$6,786)+46.3%Up after inflation
Median household income$98,387 (±$2,122)$130,132 (±$2,573)+32.3%Up after inflation
Median owner cost with a mortgage$2,744 (±$24)$3,222 (±$33)+17.4%Down after inflation
Households that rent21.5% (±0.8 points)19.5% (±1.0 points)−2.0 percentage pointsMeasurable decrease
Rental vacancy rate5.3% (±1.4 points)5.5% (±1.3 points)+0.2 percentage pointsNot a measurable change

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Crime reported to police in Suffolk County

The Town of Islip has no police department of its own in the FBI’s figures, so this is the figure for Suffolk County as a whole.

In 2025, the police departments that report for Suffolk County recorded 6 violent and 99 property crimes per 100,000 residents.

A county-wide figure describes the whole county, not this place; crime varies from one community to the next.

ZIP codes in the Town of Islip

ZIP Code Tabulation Areas that cover this place (2020–2024 estimates)
ZIP codeShare of the ZIP’s land in this placeResidentsMedian gross rentMedian home valueMedian household income
11705100%8,284$2,306$646,500$164,300
11706100%68,976$2,025$494,300$119,603
11716100%9,659$2,572$559,800$128,889
11718100%3,179$1,728$768,600$218,000
11722100%39,033$2,055$436,600$114,049
11730100%14,247$2,732$594,200$145,652
11739100%1,225—$853,100$164,286
11749100%3,600$2,019$477,400$116,313
11751100%13,726$2,257$563,100$116,559

A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.

Places near the Town of Islip

Nearest places with Census figures, by straight-line distance
PlaceDistanceMedian gross rentMedian home valueHouseholds that rent
Village of Brightwaters3.5 mi$1,728$768,6003.6%
Village of Ocean Beach5.2 mi——0.0%
Village of Saltaire5.3 mi——0.0%
Village of Islandia6.5 mi$2,019$477,4004.0%
North Babylon6.9 mi$2,144$520,50013.2%
Village of Babylon7.0 mi$2,427$658,50021.4%
Deer Park7.4 mi$1,906$543,50016.2%
Hauppauge7.5 mi$2,646$652,90014.7%

Places in New York most like the Town of Islip

PlaceMedian gross rentMedian home valueMedian household incomeHouseholds that rent
Town of Babylon$2,168$522,100$128,10821.7%
Port Jefferson Station$2,411$507,900$120,73423.8%
Copiague$2,199$484,500$127,36920.3%
Town of Clarkstown$2,185$602,100$136,88319.4%
Pearl River$1,973$608,200$145,06322.6%
Huntington Station$2,052$578,000$135,47722.1%

Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across New York.

HUD Fair Market Rent for the Town of Islip, fiscal year 2027

Nassau-Suffolk, NY HUD Metro FMR Area, dollars a month
Studio1 bedroom2 bedrooms3 bedrooms4 bedrooms
$1,964$2,285$2,689$3,458$3,671

HUD income limits for the Town of Islip, fiscal year 2026

Nassau-Suffolk, NY HUD Metro FMR Area, annual household income
Household sizeExtremely low (30%)Very low (50%)Low (80%)
1 person$34,550$57,550$89,700
2 people$39,450$65,750$102,500
3 people$44,400$73,950$115,300
4 people$49,300$82,150$128,100
5 people$53,250$88,750$138,350
6 people$57,200$95,300$148,600
7 people$61,150$101,900$158,850
8 people$65,100$108,450$169,100

These are the limits HUD sets for its housing programs in the Nassau-Suffolk, NY HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $164,300.

A program can use its own limits; tax-credit and local programs often do.

A New York town includes the villages and hamlets inside it, so the figures for the Town of Islip include them.

The figures for the Town of Islip include the places inside it that have pages of their own: Bayport, Bay Shore, Baywood, Bohemia, Central Islip, East Islip, Great River, Holbrook, +10.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Town of Islip

What is the average rent in the Town of Islip, NY?

The Census Bureau publishes the median rather than the average: the median gross rent in the Town of Islip is $2,209 (±$47) a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.

How much is a one-bedroom apartment in the Town of Islip?

The median gross rent for a one-bedroom home in the Town of Islip, NY is $2,062 (±$70) a month (2020–2024 American Community Survey).

Are renters in the Town of Islip rent-burdened?

56.2% of renting households in the Town of Islip pay 30% or more of their income in gross rent, the share housing researchers usually call rent-burdened (2020–2024 American Community Survey).

How many renters are there in the Town of Islip?

The Town of Islip has an estimated 19,973 (±1,093) renting households, 19.5% of its occupied homes (2020–2024 American Community Survey).

What is the median household income in the Town of Islip?

The median household income in the Town of Islip is $130,132 (±$2,573) a year (2020–2024 American Community Survey).

What is the average home value in the Town of Islip, NY?

The Census Bureau publishes the median: $535,300 (±$6,786) for owner-occupied homes in the Town of Islip (2020–2024 American Community Survey).

Is the Town of Islip growing?

In the Town of Islip, the number of residents went from 331,499 in 2015–2019 to 339,106 in 2020–2024 (+2.3%), a measurable increase.

What ZIP codes are in the Town of Islip?

The ZIP codes that cover the Town of Islip are 11705, 11706, 11716, 11718, 11722, 11730, 11739, 11749, 11751.

What is the median rent in ZIP code 11705?

The median gross rent in ZIP Code Tabulation Area 11705 is $2,306 (±$289) a month (2020–2024 American Community Survey).

Sources

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 Islip town, Suffolk County, New York (county subdivision:38000, in state:36 county:103).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M

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.

Figures last updated on .

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