Median Income
$109,964
household / year
Median Home Value
$422,500
owner-occupied
Median Rent
$1,830
gross / month
Cost of Living
112
national avg = 100

Is Islandia, NY a Good Place to Live?

Islandia is a small town of 3,568 in New York, with a median household income of $109,964 and a 4.0% unemployment rate. Its cost of living index is 112 (US average = 100), which is 12% above the national average.

Strengths: Islandia stands out for solid school ratings (B-).

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

All Islandia 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

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

Metric Islandia, NY National Avg
Median Home Value $422,500 $244,900
Median Monthly Rent $1,830 $1,163
Homeownership Rate 96.8% 65.9%
Median Household Income $109,964 $74,755

Crime & Safety

Very Safe

Islandia'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

Islandia is served primarily by CENTRAL ISLIP UNION FREE SCHOOL DISTRICT. The student-to-teacher ratio is 14.7:1 (better than the national average of ~16:1).

Metric Islandia, NY National Avg
School District CENTRAL ISLIP UNION FREE SCHOOL DISTRICT —
Elementary Schools 6 —
Middle Schools 1 —
High Schools 1 —
Student/Teacher Ratio 14.7:1 16:1
Bachelor's Degree or Higher 28.3% 35.4%
High School Diploma or Higher 89.7% 91.1%

Weather & Climate

Islandia sees average highs of 39.2°F in January and 82.8°F in July, with 48.1 inches of annual precipitation and 31.8 inches of snow per year.

MetricIslandia, NY
Average High — January39.2°F
Average High — July82.8°F
Annual Precipitation48.1"
Annual Snowfall31.8"

Demographics

MetricIslandia, NYNational Avg
Population3,568—
Median Age38.038.9
Unemployment Rate4.0%3.7%
Avg Commute Time27.5 min26 min
White (non-Hispanic)43.0%59.3%
Black or African American12.2%13.6%
Hispanic or Latino31.2%18.9%
Asian9.0%6.3%
Under 1819.1%22.2%
65 and over15.4%16.8%

Nearby Cities

Central Islip, NY 2 mi Hauppauge, NY 2 mi Ronkonkoma, NY 2 mi Bohemia, NY 3 mi Nesconset, NY 3 mi

ZIP Codes in Islandia

Islandia, NY is covered by 1 ZIP code:

11749

Islandia vs Other Cities

Islandia, NY vs Central Islip, NY Islandia, NY vs Hauppauge, NY Islandia, NY vs Ronkonkoma, NY Islandia, NY vs Bohemia, NY Islandia, NY vs Nesconset, NY

Frequently Asked Questions

Islandia's cost of living index is 112, where 100 is the national average. That puts Islandia roughly 12% above the national average in cost. The median home price is $422,500 and median rent is $1,830/month.
Islandia'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 Islandia are operated by CENTRAL ISLIP UNION FREE SCHOOL DISTRICT. The district has 6 elementary, 1 middle, and 1 high schools. The student-to-teacher ratio is 14.7:1. 28.3% of adults 25+ hold a bachelor's degree or higher.
Islandia, NY has a population of 3,568, a median household income of $109,964, and an unemployment rate of 4.0%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
Islandia averages 39.2°F in January and 82.8°F in July. Annual rainfall is 48.1 inches with about 31.8 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).
Islandia, NY is covered by 1 ZIP code: 11749.
The population of Islandia, New York is 3,568 with a median age of 38.0. Source: US Census ACS 5-Year Estimates.
Key numbers for living in Islandia: cost of living index 112 (100 = US average), median home $422,500, median household income $109,964, crime index 35 (100 = US average, lower is safer), schools rated B-. Whether these are benefits or drawbacks depends on where you're coming from — compare Islandia side by side with your current city to see the trade-offs.