ZIP code 11749
Where is ZIP code 11749?
Islandia, New York
Suffolk County · Standard ZIP code
ZIP code 11749 belongs to Islandia, New York in Suffolk County. 11749 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 631 and 934. About 3,600 people live in the 11749 area, where the median household income is $116,313. The closest ZIP codes are 11788 (Hauppauge, 1.7 mi northwest), 11722 (Central Islip, 1.9 mi southwest) and 11779 (Ronkonkoma, 2.1 mi east).
| ZIP code | 11749 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Islandia |
| Also accepted | Central Islip, Hauppauge, Ronkonkoma |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 631, 934 |
| Coordinates | 40.8067, -73.1709 map |
| 3-digit prefix | 117 |
Population and income in 11749
| Population | 3,600 · higher than 53% of New York ZIP codes |
|---|---|
| People per square mile | 1,646 · higher than 73% of New York ZIP codes |
| Median age | 43.3 years · lower than 51% of New York ZIP codes |
| Men / women | 54% / 46% |
| Median household income | $116,313 · higher than 78% of New York ZIP codes |
| Income per person | $46,560 |
| Below the poverty line | 7.7% |
| Bachelor’s degree or higher | 33% of adults 25+ |
| Median home value | $477,400 · higher than 74% of New York ZIP codes |
| Median rent | $2,019 a month |
| Housing units | 1,288 |
| Households | 1,217 (2.86 people on average) |
| Owners / renters | 96% / 4.0% |
| Land area | 2.19 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11749. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11749
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 11788 | Hauppauge, NY | 1.7 mi NW | Standard |
| 11722 | Central Islip, NY | 1.9 mi SW | Standard |
| 11779 | Ronkonkoma, NY | 2.1 mi E | Standard |
| 11767 | Nesconset, NY | 3 mi NE | Standard |
| 11752 | Islip Terrace, NY | 3.6 mi S | Standard |
| 11716 | Bohemia, NY | 3.9 mi SE | Standard |
| 11787 | Smithtown, NY | 4 mi NW | Standard |
| 11755 | Lake Grove, NY | 4.5 mi NE | Standard |
| 11717 | Brentwood, NY | 4.5 mi SW | Standard |
| 11780 | Saint James, NY | 5.2 mi N | Standard |
| 11769 | Oakdale, NY | 5.2 mi SE | Standard |
| 11741 | Holbrook, NY | 5.2 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11749 or measure the distance to another ZIP code.
How to address mail to 11749
123 MAIN ST
ISLANDIA NY 11749
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts CENTRAL ISLIP, HAUPPAUGE and RONKONKOMA as the city name for 11749. Adding the 4-digit ZIP+4 code (11749-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 11749?
- 11749 is a Islandia, New York ZIP code. Central Islip, Hauppauge and Ronkonkoma are also accepted as the city name.
- What county is 11749 in?
- ZIP code 11749 is in Suffolk County, New York.
- What time zone is ZIP code 11749 in?
- 11749 is in the Eastern Time zone (America/New_York).
- What area code is 11749?
- Phone numbers in ZIP code 11749 use area codes 631 and 934.
- What is the population of ZIP code 11749?
- About 3,600 people live in ZIP code 11749, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11749?
- The median household income in 11749 is $116,313 a year, higher than 78% of New York ZIP codes.
- What ZIP codes are near 11749?
- The nearest ZIP codes to 11749 are 11788 (Hauppauge, 1.7 miles), 11722 (Central Islip, 1.9 miles), 11779 (Ronkonkoma, 2.1 miles) and 11767 (Nesconset, 3 miles).