North Sea, New York Demographics & Population 2026
During the 2020–2024 ACS period, North Sea, New York had a total population of 6,458, the 301st largest community in New York, with a median household income of $161,587, which is 88% higher than the state average. The poverty rate is 5.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 88% above the state average — one of the wealthiest communities in New York.
- Near full employment with an unemployment rate of just 0.6%.
North Sea Quick Facts
How North Sea 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 | 6,517 | 6,458 | -0.9% |
| Median household income | $155,139 | $161,587 | +4.2% |
| Median home value | $1,071,800 | $1,128,000 | +5.2% |
How North Sea 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+)
North Sea 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 North Sea
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Larchmont | 6,567 | $167,536 | $1,635,500 | 84.0% | 1.5% |
| Irvington | 6,531 | $173,248 | $868,100 | 76.0% | 1.6% |
| South Valley Stream | 6,512 | $145,000 | $656,800 | 56.1% | 9.8% |
| Tappan | 6,687 | $174,286 | $644,200 | 59.9% | 2.6% |
| Lawrence | 6,778 | $170,000 | $1,623,200 | 77.1% | 3.5% |
Population Overview
North Sea is a small city located in New York, within Suffolk County. The total population is 6,458. It ranks as the 301st most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in North Sea is 44.8 years. This is 13% higher than the state median of 39.8 years.
Economy, Income & Housing
The median household income in North Sea is $161,587. This is 88% higher than the state median of $85,974. It is also 100% higher than the national median of $80,734. The poverty rate stands at 5.4%. This is 61% lower than the state poverty rate of 14.0%. The unemployment rate is 0.6%. This is 90% lower than the state rate of 6.4%. The median home value is $1,128,000. Housing costs are 166% higher than the state median of $423,800. The home-value-to-income ratio of 7.0x suggests that housing affordability is a significant concern for many residents. 85.4% of occupied housing units are owner-occupied. This homeownership rate is 57% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in North Sea is White (non-Hispanic), making up 61.4% of the population. Hispanic or Latino residents account for 20.8%. The Asian population (0.6%) is well below the state average of 9.0%.
Education
57.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% 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, 21.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for North Sea, 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 North Sea, New York?
North Sea, New York has a population of 6,458 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in North Sea, NY?
The median household income in North Sea is $161,587, which is 100% higher than the national median of $80,734.
What is the poverty rate in North Sea, NY?
The poverty rate in North Sea is 5.4%. This means approximately 348 residents live below the federal poverty line.
What is the racial makeup of North Sea, New York?
North Sea's population is 61.4% White, 13.3% Black, 20.8% Hispanic/Latino, and 0.6% Asian.
What is the median home value in North Sea, NY?
The median home value in North Sea is $1,128,000. The home-value-to-income ratio is 7.0x.
How educated is North Sea, New York?
57.6% of adults (25+) in North Sea hold a bachelor's degree or higher, and 21.2% hold a graduate or professional degree.