The Town Files

Islip Terrace, New York

Community in Suffolk County · population 5,323 (2020 Census)

Map: where Islip Terrace is in New YorkIslip Terrace
Median home
$519,200
Household income
$155,313
Jan low / Jul high
25° / 83°
Snow a year
32 in
Tornadoes ≤10 mi since 1950
6
Median age
40.5

Islip Terrace is a community of 5,323 people in Suffolk County, New York. The median home is worth $519,200, above the typical New York town ($217,700). It ranks more of a college town than 100% of New York towns, better for families than 98% of New York towns, better for first-time buyers than 93% of New York towns.

Islip Terrace in our rankings:

How Islip Terrace ranks

Percentile among New York towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of New York towns.

Islip Terrace lifestyle rankings vs other New York townsRetirement6th pctFamilies98th pctQuiet12th pctWalkability92nd pctFirst-time buyers93rd pctYoung professionals30th pctVibrancy81st pctHip & trendy49th pctCollege town100th pctUpscale76th pctVacation homesbottomSeaside characterbottomCycling83rd pctTransit84th pctDriving65th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Islip Terrace is worth $519,200, above the typical New York town ($217,700). Homes cost about 3.3 times the median household income of $155,313, which is more affordable than 38% of New York towns. Median rent is $2,640 a month. 92.0% of households own their home.

Islip Terrace vs Suffolk County vs typical New York townIslip TerraceSuffolk CountyTypical New York townHome value$519,200$578,400$217,700Household income$155,313$130,686$80,740Monthly rent$2,640$2,255$1,080
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of New York towns with 500+ people.
HousingIslip TerraceTypical New York town
Median home value$519,200$217,700
Median rent$2,640$1,080
Median household income$155,313$80,740
Home value ÷ income3.3×2.8×
Homeownership92.0%79.5%
Median year built19631965
Seasonal / vacation homes0.0%—

Who lives in Islip Terrace

PeopleIslip TerraceTypical New York town
Median age40.543.5
Age 65 and over13.7%20.4%
Under 1819.9%—
Bachelor's degree or higher31.0%30.4%
Below the poverty line2.6%9.3%
Veterans4.2%—
Born outside the U.S.11.4%—
Work from home5.5%11.1%
Average commute32.9 min26.0 min
Homes with broadband93.4%91.1%

Weather in Islip Terrace

July highs average 82.8°F and January lows 24.6°F. About 46.0 inches of rain and melted snow fall a year, with 31.8 inches of snow (typical New York town: 62.9 in). Expect about 8 days a year at 90°F or hotter and 98 nights at or below freezing.

Islip Terrace monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing39°25°Jan41°26°Feb48°32°Mar58°41°Apr68°51°May77°61°Jun83°67°Jul81°66°Aug75°59°Sep64°47°Oct54°38°Nov44°30°DecPrecipitation (in) · snow (in) in blue3.710.33.39.44.56.54.10.63.34.03.34.23.64.03.40.54.74.5
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Islip Li Macarthur Ap station (5.4 mi away).

Tornadoes, storms and disasters

6 tornadoes have passed within 10 miles of Islip Terrace since 1950, compared with 5 for the typical New York town. The strongest, an EF1, struck on July 18, 2007 about 0.7 miles from the town center. The most recent was on November 13, 2021.

Tornadoes within 10 miles of Islip Terrace by decade01950s01960s01970s01980s11990s12000s32010s12020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 19 times; the largest was 2.00 inches on May 24, 2004.

Severe weather in Suffolk County since 1996

Storm events in Suffolk County since 1996 by typeHail94Drought32Blizzard42High Wind254Lightning37Heavy Snow161Flash Flood234Strong Wind123
NOAA Storm Events Database, Suffolk County, 1996–2026 (all event types recorded since 1996). 63 deaths recorded.

Suffolk County has been included in 36 federal disaster or emergency declarations since 1953, most often for fire, flood, other.

DeclaredIncidentDeclaration
October 21, 2024Severe StormDR-4839: Severe Storm And Flooding
August 25, 2024Severe StormEM-3613: Severe Storm And Flooding
March 15, 2023SnowstormDR-4694: Severe Winter Storm And Snowstorm
September 5, 2021HurricaneDR-4615: Remnants Of Hurricane Ida
September 2, 2021HurricaneEM-3572: Remnants Of Hurricane Ida

Jobs and pay in Suffolk County

Suffolk County had 679,594 jobs in 2024, paying an average of $79,121 a year. Unemployment was 3.4% in 2023; in Islip Terrace itself the ACS puts it at 0.6%.

Largest industries in Suffolk CountyHealth care & social assistan…101,618 jobs · $74,532Retail73,514 jobs · $49,088Hotels & restaurants55,158 jobs · $34,481Manufacturing50,905 jobs · $86,925Administrative & support48,759 jobs · $67,574Construction47,437 jobs · $88,821
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Suffolk County, 2000–20230%2%4%6%8%10%2000200420082012201620202023Suffolk 3.4%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Islip Terrace

4 public schools with 2,634 students, about 11.0 students per teacher.

SchoolGradesStudentsPer teacher
EAST ISLIP HIGH SCHOOL9-121,17812.0
EAST ISLIP MIDDLE SCHOOL6-878610.8
CONNETQUOT ELEMENTARY SCHOOLPK-23649.8
RUTH C KINNEY ELEMENTARY SCHOOL3-53069.9

Towns near Islip Terrace

Islip Terrace questions

Is Islip Terrace, New York a good place to retire?

On The Town Files lifestyle rankings, Islip Terrace scores better for retirees than 6% of New York towns and quieter than 12%. 13.7% of residents are 65 or older (median age 40.5).

How much does a house cost in Islip Terrace?

The median owner-occupied home in Islip Terrace is valued at $519,200 (Census ACS 2020–2024), against a median household income of $155,313, so homes cost about 3.3 times income. Median rent is $2,640 a month.

What is the weather like in Islip Terrace?

July highs average 82.8°F and January lows 24.6°F (NOAA 1991–2020 normals). It gets about 46.0 inches of precipitation a year and 31.8 inches of snow.

Does Islip Terrace get tornadoes?

6 tornadoes have passed within 10 miles of Islip Terrace since 1950 (NOAA Storm Events); the strongest was an EF1 on July 18, 2007. The typical New York town has had 5.

How this page is made. Every number comes from public data, matched to Islip Terrace's Census boundary (GEOID 3638022). Comparisons use the median of New York towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.