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Syosset, NY
Census-designated place in Nassau County, New York. ZIP codes: 11791.
Population
18,433
Land area
5sq mi
People per sq mi
3,705
ZIP codes
1
Syosset and its ZIP codes
Syosset at a glance
- Syosset is about 8.8 times as dense as New York as a whole.
- By population, it ranks 98th among 1,289 cities and towns in New York.
- The median household income is $187,273, about 2.2 times the New York median of $85,974.
- A typical owner-occupied home is valued at $874,300 (about 2.1 times the New York figure) and median rent is $3,036 a month.
Local data for Syosset, NY
Counts from official public data
Housing and community stats
Syosset, NY, American Community Survey 2020-2024
Median household income
$187,273
Poverty rate
4.2%
Median home value
$874,300
Median rent
$3,036/mo
Homeownership
92.4%
Bachelor's or higher
69.1%
Median age
42.8
Average commute
40.9 min
Largest reported origins and ancestries: Chinese Americans (3,361), Italian Americans (3,110), Irish Americans (1,474).
Economy and federal money
Jobs, pay, income and spending are for Nassau County. PPP loans are for Syosset.
Unemployment rate
3.8%
Aug 2026, 0.0 pts in a year
Average annual pay
$79,801
636,274 jobs, 2025
Income per person
$109,400
BEA, 2024
Federal spending
$11.4B
FY 2026, $8,135 per person
How people get to work
Syosset, NY, workers 16 and older. American Community Survey 5-year estimates
- Drove alone50.9%
- Carpooled6.6%
- Public transit14.8%
- Walked1.1%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.4%
- Worked from home25.3%
Average one-way commute: 40.9 minutes for people who do not work from home.
Environment and hazard risk
Syosset, NY, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: winter weather
Storm events since 1996
800
Countywide, mostly thunderstorm wind
Flood insurance policies
35,824
9.7% of homes, county
July high / Jan low
83° / 25°F
38.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Syosset, NY, CDC PLACES estimates
Obesity
22.9%
U.S. 33.3% -10.4 pts
Diabetes
9.1%
U.S. 12.1% -3.0 pts
Smoking
6.4%
U.S. 12.8% -6.4 pts
Uninsured (18-64)
3.2%
U.S. 11.1% -7.9 pts
ZIP codes in Syosset
1 in or overlapping Syosset. Population shown
Cities near Syosset
| Name | Distance | Land area (sq mi) |
|---|---|---|
| WoodburyCensus-designated place | 1.6 mi | 5 |
| MuttontownVillage | 1.6 mi | 6.1 |
| East NorwichCensus-designated place | 2.6 mi | 1.1 |
| PlainviewCensus-designated place | 2.7 mi | 5.7 |
| Oyster Bay CoveVillage | 2.8 mi | 4.2 |
| JerichoCensus-designated place | 3 mi | 4 |
| Laurel HollowVillage | 3.1 mi | 3 |
| West HillsCensus-designated place | 3.4 mi | 4.9 |
| BrookvilleVillage | 3.4 mi | 3.9 |
| Oyster BayCensus-designated place | 3.6 mi | 1.2 |
| HicksvilleCensus-designated place | 3.6 mi | 6.8 |
| Cold Spring HarborCensus-designated place | 3.9 mi | 3.4 |
| Upper BrookvilleVillage | 4.1 mi | 4.3 |
| Cove NeckVillage | 4.6 mi | 1.3 |
| BethpageCensus-designated place | 4.6 mi | 3.6 |
| Old BethpageCensus-designated place | 4.6 mi | 4.2 |
Frequently asked questions
- What county is Syosset, NY in?
- Syosset is in Nassau County, New York.
- What ZIP codes are in Syosset, NY?
- ZIP codes in or overlapping Syosset include 11791.
- What is the population of Syosset, NY?
- About 18,433 people live in Syosset, based on American Community Survey 5-year estimates.
- What cities are near Syosset?
- Nearby places include Woodbury (1.6 mi), Muttontown (1.6 mi), East Norwich (2.6 mi), Plainview (2.7 mi), Oyster Bay Cove (2.8 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023