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West Sayville CDP, New York Demographics & Population 2026

As of 2026, West Sayville CDP, New York has a total population of 4,944, the 362nd largest city in New York, with a median household income of $154,531, which is 83% higher than the state average. The poverty rate is 1.8%.

Key Takeaways

West Sayville CDP Quick Facts

Population 4,944
Median Household Income $154,531
Median Home Value $558,400
Poverty Rate 1.8%
Unemployment Rate 2.8%
Median Age 45.8 years
Homeownership Rate 88.7%
Affordability Ratio 3.6x
Bachelor's Degree or Higher 40.8%
High School Graduation Rate 94.6%
Diversity Index 18/100
Population 4,944 362nd of 1,287
Median Income $154,531 top 20%
Poverty Rate 1.8% 86% lower national
Median Home Value $558,400 top 30%

How West Sayville CDP Compares

Economy & Housing

Employment

2.8% Unemployment Rate State: 6.2% | National: 5.2%
64.9% Labor Force Participation

Housing Overview

Owner 88.7%
Renter 11.3%
Affordability Index Affordable
3.6x home value to income ratio

People & Demographics

Diversity Index

18out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 65 | National average: 60

Education

West Sayville CDP Rankings in New York

#362 Population of 1,287
#154 Median Income of 1,287
#483 Education of 1,287
#288 Home Value of 1,287

Cities Similar to West Sayville CDP

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Albertson CDP4,859$157,690$739,10056.1%3.1%
Islip Terrace CDP5,223$155,741$479,80033.7%3.4%
Montebello village4,649$150,882$714,60061.0%11.5%
Hawthorne CDP4,881$134,797$671,30054.7%5.6%
Blue Point CDP4,622$148,684$607,30054.9%7.4%

Population Overview

West Sayville CDP is a small community located in New York. The total population is 4,944. It ranks as the 362nd most populous out of 1,287 cities and towns in New York.

Age Demographics

The median age in West Sayville CDP is 45.8 years. This is 16% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in West Sayville CDP is $154,531. This is 83% higher than the state median of $84,578. Compared to the national median of $78,538, household income here is 97% higher. The poverty rate stands at 1.8%. This is 87% lower than the state poverty rate of 13.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.8%. This is 55% lower than the state rate of 6.2%. The median home value is $558,400. Housing costs are 39% higher than the state median of $403,000. The home-value-to-income ratio is 3.6x. 88.7% of occupied housing units are owner-occupied. This homeownership rate is 63% higher than the state average of 54.3%.

Race & Ethnicity

West Sayville CDP has a predominantly White (non-Hispanic) population, comprising 90.3% of all residents. Hispanic or Latino residents account for 4.4%. The White (non-Hispanic) population is significantly higher than the state average (90.3% vs 53.4%). The Black or African American population (1.2%) is well below the state average of 13.6%. The Hispanic or Latino population (4.4%) is well below the state average of 19.6%. The Asian population (2.5%) is well below the state average of 8.8%.

Education

40.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% higher than the state rate of 39.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.6%. Notably, 21.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for West Sayville CDP, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,287 Census-designated places in New York. For official data, visit data.census.gov.

Free data download: Get all New York city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of West Sayville CDP, New York?

West Sayville CDP, New York has a population of 4,944 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in West Sayville CDP, NY?

The median household income in West Sayville CDP is $154,531, which is 97% higher the national median of $78,538.

What is the poverty rate in West Sayville CDP, NY?

The poverty rate in West Sayville CDP is 1.8%. This means approximately 89 residents live below the federal poverty line.

What is the racial makeup of West Sayville CDP, New York?

West Sayville CDP's population is 90.3% White, 1.2% Black, 4.4% Hispanic/Latino, and 2.5% Asian.

What is the median home value in West Sayville CDP, NY?

The median home value in West Sayville CDP is $558,400. The home-value-to-income ratio is 3.6x.

How educated is West Sayville CDP, New York?

40.8% of adults (25+) in West Sayville CDP hold a bachelor's degree or higher, and 21.6% hold a graduate or professional degree.