ZIP code 11780
Where is ZIP code 11780?
Saint James, New York
Suffolk County · Standard ZIP code
ZIP code 11780 belongs to Saint James, New York in Suffolk County. 11780 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 15,018 people live in the 11780 area, where the median household income is $144,577. The closest ZIP codes are 11790 (Stony Brook, 2.4 mi northeast), 11767 (Nesconset, 2.5 mi south) and 11755 (Lake Grove, 2.8 mi southeast).
| ZIP code | 11780 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Saint James |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 631, 934 |
| Coordinates | 40.8813, -73.1591 map |
| 3-digit prefix | 117 |
Population and income in 11780
| Population | 15,018 · higher than 77% of New York ZIP codes |
|---|---|
| People per square mile | 1,306 · higher than 71% of New York ZIP codes |
| Median age | 47.4 years · higher than 69% of New York ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $144,577 · higher than 90% of New York ZIP codes |
| Income per person | $75,677 |
| Below the poverty line | 3.2% |
| Bachelor’s degree or higher | 52% of adults 25+ |
| Median home value | $723,200 · higher than 88% of New York ZIP codes |
| Median rent | $2,316 a month |
| Housing units | 5,795 |
| Households | 5,459 (2.67 people on average) |
| Owners / renters | 87% / 13% |
| Land area | 11.5 sq mi (plus 3.95 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11780. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11780
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 11790 | Stony Brook, NY | 2.4 mi NE | Standard |
| 11767 | Nesconset, NY | 2.5 mi S | Standard |
| 11755 | Lake Grove, NY | 2.8 mi SE | Standard |
| 11794 | Stony Brook, NY | 3.2 mi N | Unique |
| 11787 | Smithtown, NY | 3.4 mi SW | Standard |
| 11720 | Centereach, NY | 4.1 mi E | Standard |
| 11754 | Kings Park, NY | 4.4 mi W | Standard |
| 11788 | Hauppauge, NY | 4.5 mi SW | Standard |
| 11733 | East Setauket, NY | 4.9 mi NE | Standard |
| 11749 | Islandia, NY | 5.2 mi S | Standard |
| 11779 | Ronkonkoma, NY | 5.3 mi S | Standard |
| 11784 | Selden, NY | 6 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11780 or measure the distance to another ZIP code.
How to address mail to 11780
123 MAIN ST
SAINT JAMES NY 11780
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Box Hill, Deer Wells, Flowerfield, Head Of The Harbor and Nissequogue and other local names: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (11780-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 11780?
- 11780 is a Saint James, New York ZIP code.
- What county is 11780 in?
- ZIP code 11780 is in Suffolk County, New York.
- What time zone is ZIP code 11780 in?
- 11780 is in the Eastern Time zone (America/New_York).
- What area code is 11780?
- Phone numbers in ZIP code 11780 use area codes 631 and 934.
- What is the population of ZIP code 11780?
- About 15,018 people live in ZIP code 11780, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11780?
- The median household income in 11780 is $144,577 a year, higher than 90% of New York ZIP codes.
- What ZIP codes are near 11780?
- The nearest ZIP codes to 11780 are 11790 (Stony Brook, 2.4 miles), 11767 (Nesconset, 2.5 miles), 11755 (Lake Grove, 2.8 miles) and 11794 (Stony Brook, 3.2 miles).