| ZIP Code | 11751 |
|---|---|
| City | Islip |
| State | New York (NY) |
| County | Suffolk County |
| Area Code | 631/934 |
| Elevation | 11 ft |
| Latitude | 40.730486 |
|---|---|
| Longitude | -73.213924 |
| Timezone | New York (DST) |
| FIPS | 36103 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 46.6 yrs ↑ 11% since 2019 |
|---|---|
| Avg Household Size | 2.61 |
| Below Poverty | 5.6% ▼ 44% below avg |
| College Grads | 48.0% ▲ 24% above avg |
| Unemployment | 4.4% ▼ 10% below avg |
| No HS Diploma | 708 (7.4%) |
| HS Graduate | 2,436 (25.5%) |
| Some College | 726 (7.6%) |
| Associates | 1,098 (11.5%) |
| Bachelors | 1,060 (11.1%) |
| Graduate Degree | 3,534 (37%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $116,328 ▲ 52% above avg ↑ 6% since 2019 |
|---|---|
| Median Home Value | $501,900 ▲ 80% above avg ↑ 32% since 2019 |
| Home/Income Ratio | 4.3x (nat avg ~3.5x) |
| Median Rent | $2,238/mo ↑ 46% since 2019 |
| Total Units | 5,246 |
| Vacant Units | 236 |
| Avg HH Size | 2.61 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 5,246 |
|---|---|
| Vacant | 236 |
| Owner Occupied | 83.4% |
| Renter Occupied | 16.6% |
| Avg HH Size | 2.61 |
ZIP code 11751 is located in Islip, New York, within Suffolk County. With a population of 13,152, this is a lightly populated ZIP code with a mature community — the median age is 46.6 years. Economically, 11751 is a upper-middle-income ZIP code: the median household income of $116,328 is significantly above the national average.
Real estate in ZIP code 11751 represents a premium housing market. The median home value of $501,900 is significantly above the national average. Renters can expect to pay around $2,238 per month in median rent. Homeownership is strong here — 83.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 32% since 2019.
The population of 11751 is primarily White (75.12%). Residents are well-educated — 48.0% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 5.6%. Household income has grown by 6% since 2019.
The unemployment rate in 11751 stands at 4.4%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.
Overall, ZIP code 11751 in Islip, NY is characterized as upper-middle-income, well-educated, a mature community, and predominantly owner-occupied. With 13,152 residents, a median household income of $116,328, and a median home value of $501,900, it offers a clear picture of life in this part of New York.