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Advertise here →Locust Valley, NY · Market Data
Locust Valley, New York real estate market data.
Real estate market data for Locust Valley, NY (Nassau County) — Census median home value $775,200, county listing prices up about 6.7% over the past year.
Locust Valley, NY is in Nassau 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 3,591, with a median household income of $137,344. Census data puts Locust Valley's median home value at $775,200 (all owner-occupied homes); Nassau County's current median listing price runs $959,250, up about 6.7% over the past year.
At a glance
Locust Valley market snapshot
Population
3,591
Median Household Income
$137,344
Median Home Value (city)
$775,200
Median Listing Price (Nassau County)
$959,250
Median Gross Rent
$2,274/mo
Price Trend (YoY)
+6.7%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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What makes Locust Valley different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Locust Valley's median home value — across all owner-occupied homes, not just recent sales — at $775,200. Separately, Nassau County's current median listing price (via Realtor.com data, 2026-06-01) runs $959,250. 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
Nassau County's FHFA house price index shows a 6.97% annual change in 2025.
Population & Income
Locust Valley has an estimated population of 3,591 and a median household income of $137,344, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Locust Valley's Census-reported median home value works out to about 5.6x the area's median household income, and median gross rent runs roughly 20% 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
Locust Valley FAQ
What are home values like in Locust Valley, NY?
The Census Bureau's American Community Survey puts Locust Valley's median home value at $775,200. Nassau County's current median listing price runs $959,250, up about 6.7% over the past year.
What is the population of Locust Valley, NY?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Locust Valley's population at approximately 3,591.
What's the median rent in Locust Valley, NY?
The Census ACS estimates median gross rent in Locust Valley at approximately $2,274 per month.
What is the median household income in Locust Valley, NY?
Census ACS data puts the median household income in Locust Valley at approximately $137,344.
Is the Locust Valley housing market growing?
Nassau County's FHFA house price index shows a 6.97% annual change in 2025.
Is Locust Valley, NY affordable relative to income?
Census ACS data puts Locust Valley's median home value at about 5.6 times the median household income, with median gross rent equal to roughly 20% 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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