Harbor Isle, New York Demographics & Population 2026
During the 2020–2024 ACS period, Harbor Isle, New York had a total population of 1,176, the 805th largest community in New York, with a median household income of $129,525, which is 51% higher than the state average. The poverty rate is 0.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 51% above the state average — one of the wealthiest communities in New York.
- An exceptionally low poverty rate of 0.3% — among the lowest in New York.
- Unemployment rate of 10.7% is notably above the national average.
Harbor Isle Quick Facts
How Harbor Isle 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 | 1,401 | 1,176 | -16.1% |
| Median household income | $124,681 | $129,525 | +3.9% |
| Median home value | $606,500 | $614,400 | +1.3% |
How Harbor Isle 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 less diverse community where one racial or ethnic group represents a large majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Harbor Isle Rankings in New York
Explore New York Rankings
Other Cities in Nassau County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hempstead | 58,801 | $90,420 | 14.4% | $459,500 |
| Levittown | 51,904 | $146,068 | 4.7% | $590,500 |
| Freeport | 44,088 | $120,625 | 7.4% | $505,900 |
| Hicksville | 43,780 | $144,471 | 3.9% | $634,100 |
| Valley Stream | 40,315 | $133,190 | 5.5% | $616,100 |
| East Meadow | 36,821 | $133,971 | 6.4% | $631,800 |
| Elmont | 36,518 | $114,217 | 5.0% | $602,900 |
| Baldwin | 34,994 | $145,472 | 6.6% | $593,800 |
| Long Beach | 34,756 | $140,739 | 7.6% | $696,400 |
| Uniondale | 33,148 | $124,684 | 9.2% | $539,000 |
Cities Similar to Harbor Isle
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Niverville | 1,181 | N/A | $302,200 | 39.3% | 12.8% |
| Yorkshire | 1,138 | N/A | N/A | 0.0% | 33.1% |
| Shokan | 1,196 | $137,361 | $292,900 | 30.8% | 7.3% |
| Wingdale | 1,234 | N/A | $299,400 | 23.9% | 17.1% |
| Brewster Heights | 1,196 | $144,485 | $384,300 | 51.7% | 7.9% |
Population Overview
Harbor Isle is a small community located in New York, within Nassau County. The total population is 1,176. It ranks as the 805th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Harbor Isle is 45.7 years. This is 15% higher than the state median of 39.8 years. Only 14.1% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Harbor Isle is $129,525. This is 51% higher than the state median of $85,974. It is also 60% higher than the national median of $80,734. The poverty rate stands at 0.3%. This is 98% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 10.7%. This is 68% higher than the state rate of 6.4%. The median home value is $614,400. Housing costs are 45% higher than the state median of $423,800. The home-value-to-income ratio is 4.7x. 70.7% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Harbor Isle is White (non-Hispanic), making up 78.5% of the population. Asian residents account for 12.5%.
Education
52.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% higher 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 96.4%. Notably, 24.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Harbor Isle, 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.
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Frequently Asked Questions
What is the population of Harbor Isle, New York?
Harbor Isle, New York has a population of 1,176 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Harbor Isle, NY?
The median household income in Harbor Isle is $129,525, which is 60% higher than the national median of $80,734.
What is the poverty rate in Harbor Isle, NY?
The poverty rate in Harbor Isle is 0.3%. This means approximately 4 residents live below the federal poverty line.
What is the racial makeup of Harbor Isle, New York?
Harbor Isle's population is 78.5% White, 9.0% Black, 0.0% Hispanic/Latino, and 12.5% Asian.
What is the median home value in Harbor Isle, NY?
The median home value in Harbor Isle is $614,400. The home-value-to-income ratio is 4.7x.
How educated is Harbor Isle, New York?
52.8% of adults (25+) in Harbor Isle hold a bachelor's degree or higher, and 24.3% hold a graduate or professional degree.