Northwest Harbor, New York Demographics & Population 2026
During the 2020–2024 ACS period, Northwest Harbor, New York had a total population of 5,205, the 347th largest community in New York, with a median household income of $160,375, which is 87% higher than the state average. The poverty rate is 20.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 87% above the state average — one of the wealthiest communities in New York.
- Housing affordability is a challenge — homes cost 9.8x the median household income.
Northwest Harbor Quick Facts
How Northwest Harbor 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 | 4,966 | 5,205 | +4.8% |
| Median household income | $129,653 | $160,375 | +23.7% |
| Median home value | $1,328,200 | $1,573,300 | +18.5% |
How Northwest Harbor 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+)
Northwest Harbor 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 Northwest Harbor
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Islip Terrace | 5,168 | $155,313 | $519,200 | 31.1% | 2.6% |
| Carle Place | 5,188 | $145,500 | $744,400 | 48.0% | 4.3% |
| Lake Mohegan | 5,468 | $162,321 | $503,000 | 58.6% | 6.1% |
| North Hills | 5,415 | $173,315 | $1,228,800 | 82.7% | 3.0% |
| Blauvelt | 5,406 | $174,255 | $644,600 | 55.5% | 6.6% |
Population Overview
Northwest Harbor is a small city located in New York, within Suffolk County. The total population is 5,205. It ranks as the 347th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Northwest Harbor is 47.9 years. This is 20% higher than the state median of 39.8 years. 10.9% 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 Northwest Harbor is $160,375. This is 87% higher than the state median of $85,974. It is also 99% higher than the national median of $80,734. The poverty rate stands at 20.8%. This is 49% 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 5.8%. This is 9% lower than the state rate of 6.4%. The median home value is $1,573,300. Housing costs are 271% higher than the state median of $423,800. The home-value-to-income ratio of 9.8x suggests that housing affordability is a significant concern for many residents. 82.3% of occupied housing units are owner-occupied. This homeownership rate is 51% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Northwest Harbor is White (non-Hispanic), making up 65.9% of the population. Hispanic or Latino residents account for 23.5%. The Black or African American population (3.5%) is well below the state average of 13.4%. The Asian population (1.3%) is well below the state average of 9.0%.
Education
61.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% 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 95.5%. Notably, 30.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Northwest Harbor, 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 Northwest Harbor, New York?
Northwest Harbor, New York has a population of 5,205 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Northwest Harbor, NY?
The median household income in Northwest Harbor is $160,375, which is 99% higher than the national median of $80,734.
What is the poverty rate in Northwest Harbor, NY?
The poverty rate in Northwest Harbor is 20.8%. This means approximately 1,085 residents live below the federal poverty line.
What is the racial makeup of Northwest Harbor, New York?
Northwest Harbor's population is 65.9% White, 3.5% Black, 23.5% Hispanic/Latino, and 1.3% Asian.
What is the median home value in Northwest Harbor, NY?
The median home value in Northwest Harbor is $1,573,300. The home-value-to-income ratio is 9.8x.
How educated is Northwest Harbor, New York?
61.4% of adults (25+) in Northwest Harbor hold a bachelor's degree or higher, and 30.7% hold a graduate or professional degree.