ZIP code 11740
Where is ZIP code 11740?
Greenlawn, New York
Suffolk County · Standard ZIP code
ZIP code 11740 belongs to Greenlawn, New York in Suffolk County. 11740 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 10,127 people live in the 11740 area, where the median household income is $152,386. The closest ZIP codes are 11721 (Centerport, 2.2 mi north), 11743 (Huntington, 2.4 mi west) and 11731 (East Northport, 2.6 mi east).
| ZIP code | 11740 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Greenlawn |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 631, 934 |
| Coordinates | 40.8621, -73.3646 map |
| 3-digit prefix | 117 |
Population and income in 11740
| Population | 10,127 · higher than 71% of New York ZIP codes |
|---|---|
| People per square mile | 2,765 · higher than 78% of New York ZIP codes |
| Median age | 44.5 years · higher than 56% of New York ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $152,386 · higher than 92% of New York ZIP codes |
| Income per person | $64,810 |
| Below the poverty line | 6.9% |
| Bachelor’s degree or higher | 54% of adults 25+ |
| Median home value | $693,700 · higher than 86% of New York ZIP codes |
| Median rent | $684 a month |
| Housing units | 3,586 |
| Households | 3,572 (2.78 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 3.66 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11740. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11740
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 11721 | Centerport, NY | 2.2 mi N | Standard |
| 11743 | Huntington, NY | 2.4 mi W | Standard |
| 11731 | East Northport, NY | 2.6 mi E | Standard |
| 11746 | Huntington Station, NY | 3.3 mi S | Standard |
| 11768 | Northport, NY | 3.5 mi NE | Standard |
| 11724 | Cold Spring Harbor, NY | 4.1 mi W | Standard |
| 11725 | Commack, NY | 4.6 mi E | Standard |
| 11747 | Melville, NY | 5.1 mi SW | Standard |
| 11760 | Melville, NY | 5.4 mi SW | PO Box only |
| 11775 | Melville, NY | 5.4 mi SW | Unique |
| 11797 | Woodbury, NY | 6.5 mi SW | Standard |
| 11754 | Kings Park, NY | 6.5 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11740 or measure the distance to another ZIP code.
How to address mail to 11740
123 MAIN ST
GREENLAWN NY 11740
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (11740-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 11740?
- 11740 is a Greenlawn, New York ZIP code.
- What county is 11740 in?
- ZIP code 11740 is in Suffolk County, New York.
- What time zone is ZIP code 11740 in?
- 11740 is in the Eastern Time zone (America/New_York).
- What area code is 11740?
- Phone numbers in ZIP code 11740 use area codes 631 and 934.
- What is the population of ZIP code 11740?
- About 10,127 people live in ZIP code 11740, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11740?
- The median household income in 11740 is $152,386 a year, higher than 92% of New York ZIP codes.
- What ZIP codes are near 11740?
- The nearest ZIP codes to 11740 are 11721 (Centerport, 2.2 miles), 11743 (Huntington, 2.4 miles), 11731 (East Northport, 2.6 miles) and 11746 (Huntington Station, 3.3 miles).