West Sayville, NY demographics:
population, income, and more

Total population
4,800
-2.9% year-over-year change
Median household income
$166,312/yr
7.6% year-over-year change
Housing units
2,067
0.6% year-over-year change

West Sayville population

How many people live in West Sayville

West Sayville is home to 4,800 residents, according to the most recent Census data. Gender-wise, 48.5% of West Sayville locals are male, and 51.5% are female.

Total population
4,800
-2.9% year-over-year change
Gender ratio
Male
48.5%
2,330
Female
51.5%
2,470
Value Percent YoY change
Male 2,330 48.5% -2.6%
Female 2,470 51.5% -3.2%
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 West Sayville is 50, with the population distributed as follows: about 15.1% are children under 15, then 7.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 23% of the population, while another 31.3% fall into the 45 to 64 bracket. Finally, around 22.9% are 65 or older.

Median age
50.5
Age breakdown
Under 15
15.1%
15 to 24
7.8%
25 to 44
23%
45 to 64
31.3%
Over 65
22.9%
Value Percent YoY change
Under 15 723 15.1% -10.3%
15 to 24 375 7.8% -16.3%
25 to 44 1,103 23% -4.7%
45 to 64 1,501 31.3% -4.7%
Over 65 1,098 22.9% 14.6%
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 West Sayville, 97.2% of the population are US-born citizens, while 2.3% have gained naturalized citizenship. At the same time, 0.5% of residents are non-citizens. As for race, 89.9% of locals are Caucasian, 1.5% are African American and 0.7% have Asian roots. There’s also a share of 6.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.2%
Non-U.S.-born citizens
2.3%
Non-citizens
0.5%
Value Percent YoY change
U.S.-born citizens 4,665 97.2% -2.0%
Non-U.S.-born citizens 109 2.3% 11.2%
Non-citizens 26 0.5% -69.8%
Racial breakdown
White
89.9%
Black or African American
1.5%
American Indian and Alaska Native
0%
Asian
0.7%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.5%
Other
1.4%
Value Percent
White 4,315 89.9%
Black or African American 74 1.5%
Asian 33 0.7%
Two or more races 311 6.5%
Other 67 1.4%

Households in West Sayville

A peek inside West Sayville households

West Sayville has 1,770 households, with an average of 3 members in each. Of these, 84.7% are families, while the remaining 15.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,770
0.1% year-over-year change
Average people per household
3
Non-family households
271
Family households
1,499
Value Percent YoY change
Non-family households 271 15.3% 8.4%
Family households 1,499 84.7% -1.3%
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 West Sayville

The housing landscape of West Sayville

West Sayville's housing consists of 2,067 units, with 89% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.5% and offer a more compact, shared living style.

Housing units
2,067
0.6% year-over-year change
Housing types
Value Percent
1 unit, detached 1,840 89%
1 unit, attached 11 0.5%
2 units 114 5.5%
3 or 4 units 39 1.9%
5 to 9 units 20 1%
10 to 19 units 11 0.5%
50 or more units 32 1.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in West Sayville

In West Sayville, the median construction year is 1957. About 17.4% of homes were built before the 1940s, with another 4.9% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 360 17.4% -9.3%
Built between 1940 and 1949 102 4.9% -16.4%
Built between 1950 and 1959 789 38.2% 2.1%
Built between 1960 and 1969 404 19.6% 15.8%
Built between 1970 and 1979 123 6% 5.1%
Built between 1980 and 1989 120 5.8% -28.1%
Built between 1990 and 1999 112 5.4% 25.8%
Built between 2000 and 2009 37 1.8% 54.2%
Built between 2010 and 2019 20 1% 17.6%
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.

West Sayville occupancy rates

Out of the 1,770 occupied housing units in West Sayville, 86.2% are owner-occupied, while 13.8% are lived in by tenants. Meanwhile, 14.4% of all homes on the local market sit vacant.

Occupied housing units
1,770
0.1% year-over-year change
Occupancy breakdown
Renter occupied
244
Owner occupied
1,526
Value Percent YoY
change
Renter occupied 244 13.8% 22.0%
Owner occupied 1,526 86.2% -2.7%
Unoccupied housing units
14.4%
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.

West Sayville housing costs

Housing costs in West Sayville come to a median of $2,347 per month, while tenants specifically pay a median gross rent of $2,701.

Median housing costs per month
$2,347/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 West Sayville
$2,701/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 West Sayville

West Sayville education at a glance

About 26% of the population in West Sayville went to high school, while 18.5% pursued college studies. Another 12% earned an associate degree and 23.9% hold a bachelor’s. Meanwhile, 17.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 78 2% -11.4%
High school diploma 1,032 26% 3.9%
College diploma 733 18.5% -8.5%
Associate degree 476 12% -9.5%
Bachelor's degree 947 23.9% 20.5%
Graduate degree 697 17.6% -16.9%
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 West Sayville

How much people earn in West Sayville

The average annual household income in West Sayville was $190,661 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +7% change from the previous year. At the same time, the median income stood at $166,312, reflecting a +7.6% shift over the same period.

Average household income in West Sayville
$190,661/year
7.0% year-over-year change
Median household income in West Sayville
$166,312/year
7.6% year-over-year change

West Sayville income by age

In West Sayville, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $192,391. Those with someone between 45 and 64 in charge, often well established professionally, earn $233,098 overall. Overall, 97.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $192,391 2.8%
45 - 64 $233,098 33.9%
Over 65 $105,759 2.4%
Above poverty level
4,616
Below poverty level
136
Value Percent YoY
change
Above poverty level 4,616 97.1% -4.2%
Below poverty level 136 2.9% 52.8%

Employment in West Sayville

Workforce and job types in West Sayville

The job market in West Sayville is powered by 2,504 working residents, spread across a range of industries and roles. 90.8% of the working population are employed in professional or administrative positions, while 9.2% are in hands-on or service-based jobs. Also, 6.8% run their own businesses, 60.3% are employed by private companies, and 27.7% work in the public sector.

Workforce demographics

Working population
2,504
-3.2% year-over-year change
White collar
2,275
Blue collar
229
Value Percent YoY change
White collar 2,275 90.8% 1.3%
Blue collar 229 9.2% -32.6%
Employer type
Self employees
6.8%
Private companies
60.3%
Governmental workers
27.7%
Not for profit companies
5.2%
Value Percent YoY change
Self employees 171 6.8% 0.6%
Private companies 1,509 60.3% -1.7%
Governmental workers 694 27.7% -13.5%
Not for profit companies 130 5.2% 64.6%
Unemployment rate
1.1%
-60.8% year-over-year change

Available workforce

The unemployment rate in West Sayville stands at 1.1%, 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 West Sayville

How people get around in West Sayville

Means of transportation
Value Percent YoY change
Car 1,877 79.6% -8.2%
Bus or trolleybus 22 0.9% -4.3%
Subway or elevated 10 0.4% N/A
Railroad 34 1.4% -60.0%
Bicycle 47 2% N/A
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 West Sayville demographics 

What is the total population of West Sayville?

West Sayville has a total population of 4,800 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 -2.9% compared to a year ago.

What is the gender ratio in West Sayville?

The gender ratio in West Sayville is as follows:
  • 48.5% males (2,330 residents)
  • 51.5% females (2,470 residents)

What is the median age in West Sayville?

The median age in West Sayville is 50.5.

What is the age distribution of the population in West Sayville?

The age distribution in West Sayville is as follows:
  • Under 15: 15.1% (723 residents)
  • Ages 15-24: 7.8% (375 residents)
  • Ages 25-44: 23% (1,103 residents)
  • Ages 45-64: 31.3% (1,501 residents)
  • Over 65: 22.9% (1,098 residents)

What is the racial and ethnic makeup of West Sayville?

The racial and ethnic makeup of West Sayville is as follows:
  • White: 89.9% (4,315 residents)
  • Black or African American: 1.5% (74 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.7% (33 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.5% (311 residents)
  • Other: 1.4% (67 residents)

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

U.S.-born citizens represent 97.2% of the population in West Sayville.

How many housing units are there in West Sayville?

There are 2,067 housing units in West Sayville, reflecting a +0.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

West Sayville has a total of 1,770 households, with an average of 3 people in each.

What is the median household income in West Sayville?

West Sayville has a median household income of $166,312, representing a +7.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for West Sayville?

The employment rate is 98.9% in West Sayville, with a workforce of 2,504 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 90.8% (2,275 residents)
  • Blue-collar workers: 9.2% (229 residents)

Places of employment:
  • Self-employed: 6.8% (171 residents)
  • Private companies: 60.3% (1,509 residents)
  • Governmental workers: 27.7% (694 residents)
  • Not-for-profit companies: 5.2% (130 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