ZIP code 11720
Where is ZIP code 11720?
Centereach, New York
Suffolk County · Standard ZIP code
ZIP code 11720 belongs to Centereach, New York in Suffolk County. 11720 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 29,292 people live in the 11720 area, where the median household income is $134,898. The closest ZIP codes are 11784 (Selden, 2 mi east), 11755 (Lake Grove, 2 mi southwest) and 11738 (Farmingville, 3.2 mi southeast).
| ZIP code | 11720 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Centereach |
| Also accepted | S Setauket, South Setauket |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 631, 934 |
| Coordinates | 40.8705, -73.0822 map |
| 3-digit prefix | 117 |
Population and income in 11720
| Population | 29,292 · higher than 88% of New York ZIP codes |
|---|---|
| People per square mile | 3,556 · higher than 81% of New York ZIP codes |
| Median age | 38.8 years · lower than 77% of New York ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $134,898 · higher than 87% of New York ZIP codes |
| Income per person | $48,733 |
| Below the poverty line | 5.2% |
| Bachelor’s degree or higher | 37% of adults 25+ |
| Median home value | $518,600 · higher than 77% of New York ZIP codes |
| Median rent | $2,374 a month |
| Housing units | 9,529 |
| Households | 8,860 (3.27 people on average) |
| Owners / renters | 87% / 13% |
| Land area | 8.24 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11720. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11720
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 11784 | Selden, NY | 2 mi E | Standard |
| 11755 | Lake Grove, NY | 2 mi SW | Standard |
| 11738 | Farmingville, NY | 3.2 mi SE | Standard |
| 11790 | Stony Brook, NY | 3.5 mi NW | Standard |
| 11776 | Port Jefferson Station, NY | 3.5 mi NE | Standard |
| 11767 | Nesconset, NY | 3.8 mi SW | Standard |
| 11727 | Coram, NY | 4.1 mi E | Standard |
| 11780 | Saint James, NY | 4.1 mi W | Standard |
| 00501 | Holtsville, NY | 4.3 mi SE | Unique |
| 00544 | Holtsville, NY | 4.3 mi SE | Unique |
| 11742 | Holtsville, NY | 4.7 mi SE | Standard |
| 11794 | Stony Brook, NY | 4.9 mi NW | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11720 or measure the distance to another ZIP code.
How to address mail to 11720
123 MAIN ST
CENTEREACH NY 11720
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts S SETAUKET and SOUTH SETAUKET as the city name for 11720. Adding the 4-digit ZIP+4 code (11720-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 11720?
- 11720 is a Centereach, New York ZIP code. S Setauket and South Setauket are also accepted as the city name.
- What county is 11720 in?
- ZIP code 11720 is in Suffolk County, New York.
- What time zone is ZIP code 11720 in?
- 11720 is in the Eastern Time zone (America/New_York).
- What area code is 11720?
- Phone numbers in ZIP code 11720 use area codes 631 and 934.
- What is the population of ZIP code 11720?
- About 29,292 people live in ZIP code 11720, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11720?
- The median household income in 11720 is $134,898 a year, higher than 87% of New York ZIP codes.
- What ZIP codes are near 11720?
- The nearest ZIP codes to 11720 are 11784 (Selden, 2 miles), 11755 (Lake Grove, 2 miles), 11738 (Farmingville, 3.2 miles) and 11790 (Stony Brook, 3.5 miles).