Middle Island, New York Demographics & Population 2026
During the 2020–2024 ACS period, Middle Island, New York had a total population of 11,027, the 179th largest community in New York, with a median household income of $85,480, which is about the same as the state average. The poverty rate is 13.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Middle Island Quick Facts
How Middle 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 | 11,086 | 11,027 | -0.5% |
| Median household income | $89,702 | $85,480 | -4.7% |
| Median home value | $347,900 | $383,500 | +10.2% |
How Middle 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+)
Middle Island 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 Middle Island
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| West Haverstraw | 10,711 | $86,301 | $377,200 | 30.7% | 17.9% |
| Endwell | 11,546 | $82,726 | $173,300 | 45.6% | 8.4% |
| Roessleville | 10,968 | $96,058 | $264,500 | 37.4% | 6.7% |
| North Bellport | 11,087 | $100,247 | $416,100 | 21.2% | 4.8% |
| Mount Kisco | 10,737 | $96,534 | $478,300 | 57.7% | 8.2% |
Population Overview
Middle Island is a small city located in New York, within Suffolk County. The total population is 11,027. It ranks as the 179th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Middle Island is 43.9 years. This is 10% higher than the state median of 39.8 years.
Economy, Income & Housing
The median household income in Middle Island is $85,480. This is about the same as the state median of $85,974. It is also 6% higher than the national median of $80,734. The poverty rate stands at 13.0%. This is 7% lower than the state poverty rate of 14.0%. The unemployment rate is 5.0%. This is 22% lower than the state rate of 6.4%. The median home value is $383,500. Housing costs are 10% lower than the state median of $423,800. The home-value-to-income ratio is 4.5x. 69.3% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Middle Island is White (non-Hispanic), making up 69.7% of the population. Black or African American residents account for 15.2%. The Asian population (0.9%) is well below the state average of 9.0%.
Education
32.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 20% 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 92.6%.
Data Sources & Methodology
All demographic data for Middle 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 Middle Island, New York?
Middle Island, New York has a population of 11,027 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Middle Island, NY?
The median household income in Middle Island is $85,480, which is 6% higher than the national median of $80,734.
What is the poverty rate in Middle Island, NY?
The poverty rate in Middle Island is 13.0%. This means approximately 1,383 residents live below the federal poverty line.
What is the racial makeup of Middle Island, New York?
Middle Island's population is 69.7% White, 15.2% Black, 11.5% Hispanic/Latino, and 0.9% Asian.
What is the median home value in Middle Island, NY?
The median home value in Middle Island is $383,500. The home-value-to-income ratio is 4.5x.
How educated is Middle Island, New York?
32.0% of adults (25+) in Middle Island hold a bachelor's degree or higher, and 12.9% hold a graduate or professional degree.