Median Income
$121,259
household / year
Median Home Value
$458,800
owner-occupied
Median Rent
$2,301
gross / month
Cost of Living
112
national avg = 100

Is Islip, NY a Good Place to Live?

Islip is a small city of 17,284 in New York, with a median household income of $121,259 and a 5.4% unemployment rate. Its cost of living index is 112 (US average = 100), which is 12% above the national average.

Strengths: Islip stands out for solid school ratings (A).

Trade-offs: Potential downsides include an above-average cost of living, high home prices, an elevated unemployment rate. Whether Islip is right for you depends on your priorities — the full breakdown is below.

All Islip city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 112.5

Islip's overall cost of living index is 112.5, where 100 represents the US national average. Living in Islip costs roughly 12% more than the average American city.

Metric Islip, NY National Avg
Median Home Value $458,800 $244,900
Median Monthly Rent $2,301 $1,163
Homeownership Rate 85.2% 65.9%
Median Household Income $121,259 $74,755

Crime & Safety

Very Safe

Islip's violent crime rate is 81.3 per 100,000 residents — 79% lower than the national average of ~380 per 100,000.

Violent Crime
81.3 /100k
Property Crime
1157.3 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Islip is served primarily by ISLIP UNION FREE SCHOOL DISTRICT. The student-to-teacher ratio is 10.4:1 (better than the national average of ~16:1).

Metric Islip, NY National Avg
School District ISLIP UNION FREE SCHOOL DISTRICT —
Elementary Schools 3 —
Middle Schools 1 —
High Schools 1 —
Student/Teacher Ratio 10.4:1 16:1
Bachelor's Degree or Higher 34.3% 35.4%
High School Diploma or Higher 87.0% 91.1%

Weather & Climate

Islip sees average highs of 38.6°F in January and 79.6°F in July, with 49.9 inches of annual precipitation and 31.8 inches of snow per year.

MetricIslip, NY
Average High — January38.6°F
Average High — July79.6°F
Annual Precipitation49.9"
Annual Snowfall31.8"

Demographics

MetricIslip, NYNational Avg
Population17,284—
Median Age43.738.9
Unemployment Rate5.4%3.7%
Avg Commute Time29.2 min26 min
White (non-Hispanic)76.9%59.3%
Black or African American3.6%13.6%
Hispanic or Latino12.3%18.9%
Asian5.3%6.3%
Under 1818.4%22.2%
65 and over18.5%16.8%

Nearby Cities

East Islip, NY 2 mi Bay Shore, NY 2 mi Islip Terrace, NY 2 mi Great River, NY 2 mi Brightwaters, NY 3 mi

ZIP Codes in Islip

Islip, NY is covered by 1 ZIP code:

11751

Islip vs Other Cities

Islip, NY vs East Islip, NY Islip, NY vs Bay Shore, NY Islip, NY vs Islip Terrace, NY Islip, NY vs Great River, NY Islip, NY vs Brightwaters, NY

Frequently Asked Questions

Islip's cost of living index is 112, where 100 is the national average. That puts Islip roughly 12% above the national average in cost. The median home price is $458,800 and median rent is $2,301/month.
Islip's violent crime rate is 81.3 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 1157.3 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.
Public schools in Islip are operated by ISLIP UNION FREE SCHOOL DISTRICT. The district has 3 elementary, 1 middle, and 1 high schools. The student-to-teacher ratio is 10.4:1. 34.3% of adults 25+ hold a bachelor's degree or higher.
Islip, NY has a population of 17,284, a median household income of $121,259, and an unemployment rate of 5.4%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
Islip averages 38.6°F in January and 79.6°F in July. Annual rainfall is 49.9 inches with about 31.8 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).
Islip, NY is covered by 1 ZIP code: 11751.
The population of Islip, New York is 17,284 with a median age of 43.7. Source: US Census ACS 5-Year Estimates.
Key numbers for living in Islip: cost of living index 112 (100 = US average), median home $458,800, median household income $121,259, crime index 35 (100 = US average, lower is safer), schools rated A. Whether these are benefits or drawbacks depends on where you're coming from — compare Islip side by side with your current city to see the trade-offs.