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Advertise here →Diamond Beach, NJ · Market Data
Diamond Beach, New Jersey real estate market data.
Real estate market data for Diamond Beach, NJ (Cape May County) — Census median home value $603,800, county listing prices up about 10.3% over the past year.
Diamond Beach, NJ is in Cape May County, New Jersey — covering the whole local market here: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 288, with a median household income of $114,914. Census data puts Diamond Beach's median home value at $603,800 (all owner-occupied homes); Cape May County's current median listing price runs $974,950, up about 10.3% over the past year.
At a glance
Diamond Beach market snapshot
Population
288
Median Household Income
$114,914
Median Home Value (city)
$603,800
Median Listing Price (Cape May County)
$974,950
Median Gross Rent
$-666,666,666/mo
Price Trend (YoY)
+10.3%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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What makes Diamond Beach different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Diamond Beach's median home value — across all owner-occupied homes, not just recent sales — at $603,800. Separately, Cape May County's current median listing price (via Realtor.com data, 2026-06-01) runs $974,950. 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
Cape May County's FHFA house price index shows a 3.94% annual change in 2025.
Population & Income
Diamond Beach has an estimated population of 288 and a median household income of $114,914, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Diamond Beach's Census-reported median home value works out to about 5.3x the area's median household income, and median gross rent runs roughly -6961728% 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
Diamond Beach FAQ
What are home values like in Diamond Beach, NJ?
The Census Bureau's American Community Survey puts Diamond Beach's median home value at $603,800. Cape May County's current median listing price runs $974,950, up about 10.3% over the past year.
What is the population of Diamond Beach, NJ?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Diamond Beach's population at approximately 288.
What's the median rent in Diamond Beach, NJ?
The Census ACS estimates median gross rent in Diamond Beach at approximately $-666,666,666 per month.
What is the median household income in Diamond Beach, NJ?
Census ACS data puts the median household income in Diamond Beach at approximately $114,914.
Is the Diamond Beach housing market growing?
Cape May County's FHFA house price index shows a 3.94% annual change in 2025.
Is Diamond Beach, NJ affordable relative to income?
Census ACS data puts Diamond Beach's median home value at about 5.3 times the median household income, with median gross rent equal to roughly -6961728% 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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