ZIP code 11724
Where is ZIP code 11724?
Cold Spring Harbor, New York
Suffolk County · Standard ZIP code
ZIP code 11724 belongs to Cold Spring Harbor, New York in Suffolk County. 11724 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 363, 516, 631 and 934. About 3,073 people live in the 11724 area, where the median household income is $250,001. The closest ZIP codes are 11743 (Huntington, 1.8 mi east), 11797 (Woodbury, 3.4 mi southwest) and 11773 (Melville, 3.9 mi southwest).
| ZIP code | 11724 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Cold Spring Harbor |
| Also accepted | Cold Spg Hbr |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 363, 516, 631, 934 |
| Coordinates | 40.8601, -73.4423 map |
| 3-digit prefix | 117 |
Population and income in 11724
| Population | 3,073 · higher than 50% of New York ZIP codes |
|---|---|
| People per square mile | 796 · higher than 67% of New York ZIP codes |
| Median age | 41.5 years · lower than 63% of New York ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $250,001 · higher than 99% of New York ZIP codes |
| Income per person | $112,377 |
| Below the poverty line | 2.3% |
| Bachelor’s degree or higher | 79% of adults 25+ |
| Median home value | $1,641,000 · higher than 99% of New York ZIP codes |
| Housing units | 1,068 |
| Households | 1,017 (2.92 people on average) |
| Owners / renters | 93% / 7.3% |
| Land area | 3.86 sq mi (plus 0.49 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11724. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11724
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 11743 | Huntington, NY | 1.8 mi E | Standard |
| 11797 | Woodbury, NY | 3.4 mi SW | Standard |
| 11773 | Melville, NY | 3.9 mi SW | Unique |
| 11740 | Greenlawn, NY | 4.1 mi E | Standard |
| 11721 | Centerport, NY | 4.2 mi NE | Standard |
| 11791 | Syosset, NY | 4.4 mi SW | Standard |
| 11771 | Oyster Bay, NY | 4.5 mi W | Standard |
| 11760 | Melville, NY | 4.8 mi S | PO Box only |
| 11775 | Melville, NY | 4.8 mi S | Unique |
| 11732 | East Norwich, NY | 4.9 mi W | Standard |
| 11747 | Melville, NY | 5 mi SE | Standard |
| 11746 | Huntington Station, NY | 5.2 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11724 or measure the distance to another ZIP code.
How to address mail to 11724
123 MAIN ST
COLD SPRING HARBOR NY 11724
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts COLD SPG HBR as the city name for 11724. Adding the 4-digit ZIP+4 code (11724-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 11724?
- 11724 is a Cold Spring Harbor, New York ZIP code. Cold Spg Hbr is also accepted as the city name.
- What county is 11724 in?
- ZIP code 11724 is in Suffolk County, New York.
- What time zone is ZIP code 11724 in?
- 11724 is in the Eastern Time zone (America/New_York).
- What area code is 11724?
- Phone numbers in ZIP code 11724 use area codes 363, 516, 631 and 934.
- What is the population of ZIP code 11724?
- About 3,073 people live in ZIP code 11724, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11724?
- The median household income in 11724 is $250,001 a year, higher than 99% of New York ZIP codes.
- What ZIP codes are near 11724?
- The nearest ZIP codes to 11724 are 11743 (Huntington, 1.8 miles), 11797 (Woodbury, 3.4 miles), 11773 (Melville, 3.9 miles) and 11740 (Greenlawn, 4.1 miles).