Barnum Island, New York Demographics & Population 2026
During the 2020–2024 ACS period, Barnum Island, New York had a total population of 2,302, the 586th largest community in New York, with a median household income of $116,250, which is 35% higher than the state average. The poverty rate is 4.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 35% above the state average — one of the wealthiest communities in New York.
- An exceptionally low poverty rate of 4.3% — among the lowest in New York.
- Near full employment with an unemployment rate of just 1.8%.
Barnum Island Quick Facts
How Barnum Island 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 | 2,173 | 2,302 | +5.9% |
| Median household income | $118,160 | $116,250 | -1.6% |
| Median home value | $680,500 | $755,100 | +11.0% |
How Barnum Island 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
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Barnum Island 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 Barnum Island
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Red Hook | 2,275 | $107,411 | $378,200 | 57.1% | 7.9% |
| Eastport | 2,414 | $119,453 | $665,100 | 37.2% | 7.2% |
| Siena College | 2,500 | N/A | N/A | 67.7% | 16.0% |
| Buchanan | 2,397 | $128,218 | $525,500 | 48.1% | 5.7% |
| Churchville | 2,312 | $96,477 | $212,200 | 40.4% | 5.1% |
Population Overview
Barnum Island is a small community located in New York, within Nassau County. The total population is 2,302. It ranks as the 586th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Barnum Island is 50.8 years. This is 28% higher than the state median of 39.8 years. 12.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Barnum Island is $116,250. This is 35% higher than the state median of $85,974. It is also 44% higher than the national median of $80,734. The poverty rate stands at 4.3%. This is 69% 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 1.8%. This is 71% lower than the state rate of 6.4%. The median home value is $755,100. Housing costs are 78% higher than the state median of $423,800. The home-value-to-income ratio of 6.5x suggests that housing affordability is a significant concern for many residents. 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 Barnum Island is White (non-Hispanic), making up 74.4% of the population. Hispanic or Latino residents account for 9.9%. The Black or African American population (4.1%) is well below the state average of 13.4%. The Hispanic or Latino population (9.9%) is well below the state average of 19.8%. The Asian population (1.5%) is well below the state average of 9.0%.
Education
42.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% 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 90.9%.
Data Sources & Methodology
All demographic data for Barnum Island, 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 Barnum Island, New York?
Barnum Island, New York has a population of 2,302 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Barnum Island, NY?
The median household income in Barnum Island is $116,250, which is 44% higher than the national median of $80,734.
What is the poverty rate in Barnum Island, NY?
The poverty rate in Barnum Island is 4.3%. This means approximately 95 residents live below the federal poverty line.
What is the racial makeup of Barnum Island, New York?
Barnum Island's population is 74.4% White, 4.1% Black, 9.9% Hispanic/Latino, and 1.5% Asian.
What is the median home value in Barnum Island, NY?
The median home value in Barnum Island is $755,100. The home-value-to-income ratio is 6.5x.
How educated is Barnum Island, New York?
42.6% of adults (25+) in Barnum Island hold a bachelor's degree or higher, and 13.3% hold a graduate or professional degree.