Mastic Beach, New York Demographics & Population 2026
During the 2020–2024 ACS period, Mastic Beach, New York had a total population of 16,735, the 114th largest community in New York, with a median household income of $111,493, which is 30% higher than the state average. The poverty rate is 21.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Mastic Beach Quick Facts
How Mastic Beach Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 16,382 | 16,735 | +2.2% |
| Median household income | $109,381 | $111,493 | +1.9% |
| Median home value | $326,600 | $357,200 | +9.4% |
How Mastic Beach Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Mastic Beach Rankings in New York
Explore New York Rankings
Other Cities in Suffolk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| West Babylon | 43,570 | $129,519 | 5.9% | $531,900 |
| Coram | 39,539 | $105,220 | 7.5% | $452,100 |
| Central Islip | 38,373 | $113,707 | 9.2% | $436,400 |
| Commack | 36,558 | $169,792 | 4.2% | $678,200 |
| Huntington Station | 32,601 | $135,477 | 7.2% | $578,000 |
| Centereach | 31,839 | $132,240 | 5.3% | $514,800 |
| Bay Shore | 31,683 | $105,618 | 10.2% | $492,200 |
| Shirley | 28,375 | $112,788 | 6.5% | $424,900 |
| Deer Park | 27,990 | $137,105 | 3.4% | $543,500 |
| Lindenhurst | 27,142 | $130,128 | 5.7% | $521,500 |
Cities Similar to Mastic Beach
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kings Park | 16,516 | $121,136 | $619,000 | 49.7% | 2.4% |
| Bethpage | 17,123 | $122,257 | $605,900 | 43.4% | 5.6% |
| Islip | 17,362 | $120,909 | $542,200 | 34.3% | 5.7% |
| Farmingville | 16,160 | $127,988 | $472,100 | 30.4% | 6.2% |
| Lake Ronkonkoma | 18,221 | $101,633 | $525,000 | 34.1% | 7.8% |
Population Overview
Mastic Beach is a small city located in New York, within Suffolk County. The total population is 16,735. It ranks as the 114th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Mastic Beach is 35.9 years. This is 10% lower than the state median of 39.8 years. With 31.2% of the population under 18, Mastic Beach has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Mastic Beach is $111,493. This is 30% higher than the state median of $85,974. It is also 38% higher than the national median of $80,734. The poverty rate stands at 21.2%. This is 51% higher than the state poverty rate of 14.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 4.4%. This is 30% lower than the state rate of 6.4%. The median home value is $357,200. Housing costs are 16% lower than the state median of $423,800. The home-value-to-income ratio is 3.2x. 81.6% of occupied housing units are owner-occupied. This homeownership rate is 50% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Mastic Beach is White (non-Hispanic), making up 62.4% of the population. Hispanic or Latino residents account for 16.8%. The Asian population (2.9%) is well below the state average of 9.0%.
Education
24.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% lower than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.4%.
Data Sources & Methodology
All demographic data for Mastic Beach, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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 Mastic Beach, New York?
Mastic Beach, New York has a population of 16,735 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mastic Beach, NY?
The median household income in Mastic Beach is $111,493, which is 38% higher than the national median of $80,734.
What is the poverty rate in Mastic Beach, NY?
The poverty rate in Mastic Beach is 21.2%. This means approximately 3,550 residents live below the federal poverty line.
What is the racial makeup of Mastic Beach, New York?
Mastic Beach's population is 62.4% White, 12.6% Black, 16.8% Hispanic/Latino, and 2.9% Asian.
What is the median home value in Mastic Beach, NY?
The median home value in Mastic Beach is $357,200. The home-value-to-income ratio is 3.2x.
How educated is Mastic Beach, New York?
24.5% of adults (25+) in Mastic Beach hold a bachelor's degree or higher, and 10.0% hold a graduate or professional degree.