Syosset, NY demographics:
population, income, and more

Total population
18,433
0.9% year-over-year change
Median household income
$187,273/yr
-0.3% year-over-year change
Housing units
6,164
-0.8% year-over-year change

Syosset population

How many people live in Syosset

Syosset is home to 18,433 residents, according to the most recent Census data. Gender-wise, 50.2% of Syosset locals are male, and 49.8% are female.

Total population
18,433
0.9% year-over-year change
Gender ratio
Male
50.2%
9,257
Female
49.8%
9,176
Value Percent YoY change
Male 9,257 50.2% 1.1%
Female 9,176 49.8% 0.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Syosset is 43, with the population distributed as follows: about 22.7% are children under 15, then 10.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.5% of the population, while another 31% fall into the 45 to 64 bracket. Finally, around 15% are 65 or older.

Median age
42.8
Age breakdown
Under 15
22.7%
15 to 24
10.8%
25 to 44
20.5%
45 to 64
31%
Over 65
15%
Value Percent YoY change
Under 15 4,182 22.7% 1.9%
15 to 24 1,993 10.8% -3.0%
25 to 44 3,776 20.5% 0.5%
45 to 64 5,723 31% 2.3%
Over 65 2,759 15% -0.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Syosset, 74.2% of the population are US-born citizens, while 19.8% have gained naturalized citizenship. At the same time, 5.9% of residents are non-citizens. As for race, 60% of locals are Caucasian, 1% are African American and 32.8% have Asian roots. There’s also a share of 4.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
74.2%
Non-U.S.-born citizens
19.8%
Non-citizens
5.9%
Value Percent YoY change
U.S.-born citizens 13,687 74.2% 0.6%
Non-U.S.-born citizens 3,651 19.8% 0.4%
Non-citizens 1,095 5.9% 6.8%
Racial breakdown
White
60%
Black or African American
1%
American Indian and Alaska Native
0.3%
Asian
32.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.3%
Other
1.6%
Value Percent
White 11,069 60%
Black or African American 182 1%
American Indian and Alaska Native 48 0.3%
Asian 6,042 32.8%
Two or more races 798 4.3%
Other 294 1.6%

Households in Syosset

A peek inside Syosset households

Syosset has 5,998 households, with an average of 3 members in each. Of these, 82% are families, while the remaining 18% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,998
-0.5% year-over-year change
Average people per household
3
Non-family households
1,082
Family households
4,916
Value Percent YoY change
Non-family households 1,082 18% 8.7%
Family households 4,916 82% -2.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Syosset

The housing landscape of Syosset

Syosset's housing consists of 6,164 units, with 91.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.3% and offer a more compact, shared living style.

Housing units
6,164
-0.8% year-over-year change
Housing types
Value Percent
1 unit, detached 5,666 91.9%
1 unit, attached 265 4.3%
2 units 24 0.4%
3 or 4 units 37 0.6%
5 to 9 units 42 0.7%
10 to 19 units 130 2.1%
Homes built since 2020
35
52.2% year-over-year change

The age of buildings in Syosset

In Syosset, the median construction year is 1958. About 3.6% of homes were built before the 1940s, with another 3.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 2.4% of homes were added from 2000 to 2009, 4.5% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 222 3.6% 7.2%
Built between 1940 and 1949 219 3.6% 21.0%
Built between 1950 and 1959 3,385 54.9% -5.6%
Built between 1960 and 1969 926 15% 3.6%
Built between 1970 and 1979 489 7.9% -2.0%
Built between 1980 and 1989 366 5.9% -7.8%
Built between 1990 and 1999 98 1.6% 21.0%
Built between 2000 and 2009 148 2.4% 2.1%
Built between 2010 and 2019 276 4.5% 36.6%
Built in 2020 or later 35 0.6% 52.2%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Syosset occupancy rates

Out of the 5,998 occupied housing units in Syosset, 92.4% are owner-occupied, while 7.6% are lived in by tenants. Meanwhile, 2.7% of all homes on the local market sit vacant.

Occupied housing units
5,998
-0.5% year-over-year change
Occupancy breakdown
Renter occupied
455
Owner occupied
5,543
Value Percent YoY
change
Renter occupied 455 7.6% -15.4%
Owner occupied 5,543 92.4% 1.0%
Unoccupied housing units
2.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Syosset housing costs

Housing costs in Syosset come to a median of $3,438 per month, while tenants specifically pay a median gross rent of $3,036.

Median housing costs per month
$3,438/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Syosset
$3,036/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Syosset

Syosset education at a glance

About 13.7% of the population in Syosset went to high school, while 11.6% pursued college studies. Another 5.8% earned an associate degree and 34.4% hold a bachelor’s. Meanwhile, 32.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 232 1.8% 17.8%
High school diploma 1,811 13.7% 2.3%
College diploma 1,538 11.6% 0.8%
Associate degree 767 5.8% 12.1%
Bachelor's degree 4,536 34.4% 1.6%
Graduate degree 4,321 32.7% -2.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Syosset

How much people earn in Syosset

The average annual household income in Syosset was $234,299 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.2% change from the previous year. At the same time, the median income stood at $187,273, reflecting a -0.4% shift over the same period.

Average household income in Syosset
$234,299/year
1.2% year-over-year change
Median household income in Syosset
$187,273/year
-0.3% year-over-year change

Syosset income by age

In Syosset, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $241,852. Those with someone between 45 and 64 in charge, often well established professionally, earn $216,824 overall. Overall, 95.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $241,852 20.0%
45 - 64 $216,824 -3.4%
Over 65 $90,531 -12.5%
Above poverty level
17,481
Below poverty level
771
Value Percent YoY
change
Above poverty level 17,481 95.8% 0.6%
Below poverty level 771 4.2% 16.8%

Employment in Syosset

Workforce and job types in Syosset

The job market in Syosset is powered by 8,648 working residents, spread across a range of industries and roles. 91.6% of the working population are employed in professional or administrative positions, while 8.4% are in hands-on or service-based jobs. Also, 13.9% run their own businesses, 63% are employed by private companies, and 12.6% work in the public sector.

Workforce demographics

Working population
8,648
0.5% year-over-year change
White collar
7,920
Blue collar
728
Value Percent YoY change
White collar 7,920 91.6% 0.8%
Blue collar 728 8.4% -2.4%
Employer type
Self employees
13.9%
Private companies
63%
Governmental workers
12.6%
Not for profit companies
10.6%
Value Percent YoY change
Self employees 1,199 13.9% -1.8%
Private companies 5,451 63% -0.3%
Governmental workers 1,086 12.6% 3.3%
Not for profit companies 912 10.6% 5.4%
Unemployment rate
3.6%
-4.2% year-over-year change

Available workforce

The unemployment rate in Syosset stands at 3.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Syosset

How people get around in Syosset

Commuting methods vary: 57.4% of residents travel by personal vehicle and 1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 4,860 57.4% -3.1%
Taxicab 19 0.2% -32.1%
Bus or trolleybus 24 0.3% 140.0%
Subway or elevated 138 1.6% N/A
Railroad 1,074 12.7% 2.5%
Walk 89 1% -25.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about Syosset demographics 

What is the total population of Syosset?

Syosset has a total population of 18,433 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.9% compared to a year ago.

What is the gender ratio in Syosset?

The gender ratio in Syosset is as follows:
  • 50.2% males (9,257 residents)
  • 49.8% females (9,176 residents)

What is the median age in Syosset?

The median age in Syosset is 42.8.

What is the age distribution of the population in Syosset?

The age distribution in Syosset is as follows:
  • Under 15: 22.7% (4,182 residents)
  • Ages 15-24: 10.8% (1,993 residents)
  • Ages 25-44: 20.5% (3,776 residents)
  • Ages 45-64: 31% (5,723 residents)
  • Over 65: 15% (2,759 residents)

What is the racial and ethnic makeup of Syosset?

The racial and ethnic makeup of Syosset is as follows:
  • White: 60% (11,069 residents)
  • Black or African American: 1% (182 residents)
  • American Indian and Alaska Native: 0.3% (48 residents)
  • Asian: 32.8% (6,042 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.3% (798 residents)
  • Other: 1.6% (294 residents)

What percentage of the population in Syosset are U.S.-born citizens?

U.S.-born citizens represent 74.2% of the population in Syosset.

How many housing units are there in Syosset?

There are 6,164 housing units in Syosset, reflecting a -0.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Syosset and what is the average household size?

Syosset has a total of 5,998 households, with an average of 3 people in each.

What is the median household income in Syosset?

Syosset has a median household income of $187,273, representing a -0.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Syosset?

The employment rate is 96.4% in Syosset, with a workforce of 8,648 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 91.6% (7,920 residents)
  • Blue-collar workers: 8.4% (728 residents)

Places of employment:
  • Self-employed: 13.9% (1,199 residents)
  • Private companies: 63% (5,451 residents)
  • Governmental workers: 12.6% (1,086 residents)
  • Not-for-profit companies: 10.6% (912 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025