ZIP code 11749: Islandia, NY
11749 is a ZIP code in Islandia, New York, mainly in Suffolk County, part of the New York-Newark-Jersey City, NY-NJ metro area. About 3,600 people live here.
- Population
- 3,600
- Median household income
- $116,313
- Typical home value
- $645,100+8.9% in 12 months
- Median rent
- $2,019gross, per month
- Median age
- 43.3
- Homeowners
- 96%of occupied homes
Shaded: ZIP code 11749's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 11749 details
| City | Islandia |
|---|---|
| State | New York |
| County | Suffolk County |
| Metro area | New York-Newark-Jersey City, NY-NJ |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 2.2 sq mi |
| Population density | 1,644 people per sq mi |
| Bachelor's degree or higher | 32.5% of adults 25+ |
| Average commute | 30.3 minutes |
| Center coordinates | 40.80677, -73.17080 |
ZIP codes near 11749
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 11722 | Central Islip, NY | 2.1 mi | 39,033 |
| 11788 | Hauppauge, NY | 2.4 mi | 17,374 |
| 11716 | Bohemia, NY | 2.8 mi | 9,659 |
| 11779 | Ronkonkoma, NY | 3.0 mi | 38,206 |
| 11767 | Nesconset, NY | 3.1 mi | 14,964 |
| 11752 | Islip Terrace, NY | 3.4 mi | 9,204 |
| 11787 | Smithtown, NY | 3.8 mi | 34,499 |
| 11755 | Lake Grove, NY | 4.5 mi | 12,144 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 11749?
A typical home in ZIP code 11749 is worth about $645,100 (Zillow Home Value Index). The median household here earns $116,313 a year. See what buying here would cost per month, with New York average taxes and insurance filled in.
Monthly payment for a $645,100 homeWhat can a $116,313 income afford?Rental property numbers
About ZIP code 11749
What city is ZIP code 11749?
ZIP code 11749 is in Islandia, NY, in Suffolk County.
What county is ZIP code 11749 in?
11749 is mainly in Suffolk County, New York.
What is the population of ZIP code 11749?
About 3,600 people live in ZIP code 11749, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 11749 in?
11749 is in Eastern Time (UTC−5). It observes daylight saving time.