West Sayville is a CDP located in Suffolk County, New York. West Sayville has a 2025 population of 5,037 . West Sayville is currently growing at a rate of 0.02% annually and its population has increased by 1.63% since the most recent census, which recorded a population of 4,956 in 2020.
The average household income in West Sayville is $178,137 with a poverty rate of 1.8%. The median age in West Sayville is 45.8 years: 47.9 years for males, and 44.3 years for females. For every 100 females there are 93.8 males.
Data after 2023 is projected based on recent change
The racial composition of West Sayville includes 91.1% White, and smaller percentages for Asian, other race, Black or African American and multiracial populations.
White (91.1%)
Two or more races (3.54%)
Asian (2.53%)
Other race (1.6%)
Black or African American (1.23%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,504 | 91.1% |
| Two or more races | 175 | 3.54% |
| Asian | 125 | 2.53% |
| Other race | 79 | 1.6% |
| Black or African American | 61 | 1.23% |
Married
Widowed
Divorced
Separated
Never Married
West Sayville's average per capita income is $88,925. Household income levels show a median of $154,531. The poverty rate stands at 1.8%.
Name | Median | Mean |
|---|---|---|
| Married Families | $172,676 | - |
| Families | $161,168 | $187,675 |
| Households | $154,531 | $178,137 |
| Non Families | $92,885 | $96,888 |
Average Income
Median Household Income
Poverty Rate