Mastic Beach is a CDP located in Suffolk County, New York. Mastic Beach has a 2025 population of 17,004 . Mastic Beach is currently growing at a rate of 1.63% annually and its population has increased by 8.93% since the most recent census, which recorded a population of 15,610 in 2020.
The average household income in Mastic Beach is $117,837 with a poverty rate of 21.68%. The median age in Mastic Beach is 38.7 years: 40.6 years for males, and 37 years for females. For every 100 females there are 79.5 males.
Data after 2023 is projected based on recent change
The racial composition of Mastic Beach includes 76.86% White, 7.16% Black or African American, 3.94% other race, and smaller percentages for Asian, Native American and multiracial populations.
White (76.86%)
Two or more races (9.54%)
Black or African American (7.16%)
Other race (3.94%)
Asian (2.48%)
Native American (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,591 | 76.86% |
| Two or more races | 1,563 | 9.54% |
| Black or African American | 1,173 | 7.16% |
| Other race | 645 | 3.94% |
| Asian | 406 | 2.48% |
| Native American | 4 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Mastic Beach's average per capita income is $56,655. Household income levels show a median of $109,381. The poverty rate stands at 21.68%.
Name | Median | Mean |
|---|---|---|
| Married Families | $121,356 | - |
| Families | $109,757 | $121,417 |
| Households | $109,381 | $117,837 |
| Non Families | $40,408 | $77,056 |
Average Income
Median Household Income
Poverty Rate