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Advertise here →Northwest Harbor, NY · Market Data
Northwest Harbor, New York real estate market data.
Real estate market data for Northwest Harbor, NY (Suffolk County) — Census median home value $1,328,200, county listing prices up about 1.9% over the past year.
Northwest Harbor, NY is in Suffolk County, New York — covering the whole local market here: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 4,966, with a median household income of $129,653. Census data puts Northwest Harbor's median home value at $1,328,200 (all owner-occupied homes); Suffolk County's current median listing price runs $937,000, up about 1.9% over the past year.
At a glance
Northwest Harbor market snapshot
Population
4,966
Median Household Income
$129,653
Median Home Value (city)
$1,328,200
Median Listing Price (Suffolk County)
$937,000
Median Gross Rent
$1,818/mo
Price Trend (YoY)
+1.9%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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What makes Northwest Harbor different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Northwest Harbor's median home value — across all owner-occupied homes, not just recent sales — at $1,328,200. Separately, Suffolk County's current median listing price (via Realtor.com data, 2026-06-01) runs $937,000. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.
County Price Trend
Suffolk County's FHFA house price index shows a 5.42% annual change in 2025.
Population & Income
Northwest Harbor has an estimated population of 4,966 and a median household income of $129,653, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Northwest Harbor's Census-reported median home value works out to about 10.2x the area's median household income, and median gross rent runs roughly 17% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.
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Common questions
Northwest Harbor FAQ
What are home values like in Northwest Harbor, NY?
The Census Bureau's American Community Survey puts Northwest Harbor's median home value at $1,328,200. Suffolk County's current median listing price runs $937,000, up about 1.9% over the past year.
What is the population of Northwest Harbor, NY?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Northwest Harbor's population at approximately 4,966.
What's the median rent in Northwest Harbor, NY?
The Census ACS estimates median gross rent in Northwest Harbor at approximately $1,818 per month.
What is the median household income in Northwest Harbor, NY?
Census ACS data puts the median household income in Northwest Harbor at approximately $129,653.
Is the Northwest Harbor housing market growing?
Suffolk County's FHFA house price index shows a 5.42% annual change in 2025.
Is Northwest Harbor, NY affordable relative to income?
Census ACS data puts Northwest Harbor's median home value at about 10.2 times the median household income, with median gross rent equal to roughly 17% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.
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