Syosset, NY ZIP Codes
One ZIP code serves Syosset, New York: 11791. Together they are home to 25,520 residents in 8,113 households. That is more than the 18,433 people counted inside Syosset Census-designated place, because these ZIP codes reach past its boundary.
Syosset Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 18,433 |
| Households | 5,998 |
| Median household income | $187,273 |
| Median home value | $874,300 |
| Median age | 42.8 |
| Median rent | $3,036 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 25,520 |
| Households (sum of ZIP codes) | 8,113 |
| Median household income, range across ZIP codes | $202,962 (11791) to $202,962 (11791) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $202,962 |
| Homeowners | 93.5% |
| Households with kids under 18 | 47.9% |
| Moved in the past year | 6.3% |
| Carrier routes in EDDM2GO's route library | 27 routes, 8,112 homes (1 of 1 ZIP codes) |
Every ZIP code in Syosset
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11791 | Syosset | 25,520 | 8,113 | $202,962 | $937,700 | 93.5% | 47.9% | 6.3% | 27 | 8,893 | 40% of its land; mailing city |
A ZIP code is listed for Syosset when at least 10% of its land lies inside the Syosset Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Syosset. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Syosset.
Counties
- Nassau County — 70 ZIP codes
Price a mailing to Syosset ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Syosset, NY?
- 11791. A ZIP code is listed for Syosset when at least 10% of its land lies inside the Syosset Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Syosset.
- What is the population of Syosset, NY?
- The Census Bureau counts 18,433 residents inside Syosset Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Syosset hold 25,520 residents in all.
- What is the median household income in Syosset, NY?
- $187,273 inside Syosset Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $202,962 to $202,962.
- How many carrier routes and mailboxes are in Syosset, NY?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 27 carrier routes reaching 8,112 residential and 780 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.