Diamond Beach, NJ · Houses & Market Data

Diamond Beach, New Jersey houses and real estate market data.

Houses in Diamond Beach, NJ (Cape May County) — Census median home value $603,800, county listing prices up about 10.3% over the past year. Market data for Diamond Beach houses and the broader area.

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Diamond Beach, NJ is in Cape May County, New Jersey — this guide covers houses in Diamond Beach and the whole local market: 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 houses at a median value of $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.

Info from government sites and builders may have provided source info.

Market overview

Diamond Beach housing market

Diamond Beach is in Cape May County, New Jersey. Manifest Census and county price-trend data provide baseline context for houses in Diamond Beach and the surrounding county market.

Median home value (Census ACS)

$603,800

Population (Census ACS)

288

Median household income

$114,914

County price trend (2025)

3.94% YoY

Population, income, and median home value from the project batch manifest (Census ACS 2023 5-year). County price trend from FHFA county HPI when present in the manifest row.

At a glance

Diamond Beach market snapshot

Population

288

County

Cape May County

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. See About

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Why Diamond Beach

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.

Nearby

Places around Diamond Beach

County guide: Cape May County — cities, market context, and local resources for the county that includes Diamond Beach.

USAHouses.com also helps visitors looking in nearby Cape May County and other New Jersey communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.

Nearby communities include Wildwood Crest, Wildwood, Cape May, Erma, West Wildwood, Rio Grande, North Wildwood, West Cape May, North Cape May, Villas, Burleigh, Cape May Point, Whitesboro, Stone Harbor, Cape May Court House, Avalon.

More New Jersey cities with market guides: Newark, Jersey City, Paterson, Elizabeth, Toms River, Trenton, Clifton, Camden.

Adjacent-county Census places with USAHouses.com pages: Delmont (~18.4 mi), Heislerville (~19.7 mi), Leesburg (~22.1 mi), Dorchester (~22.4 mi), Port Norris (~23.4 mi), Mauricetown (~24.5 mi), Corbin City (~24.9 mi), Port Elizabeth (~25.0 mi), Dividing Creek (~25.3 mi), Fortescue (~25.7 mi), Laurel Lake (~27.1 mi), Estell Manor (~27.6 mi), Cumberland-Hesstown (~28.0 mi), Somers Point (~28.0 mi), Newport (~28.6 mi), Gandys Beach (~29.8 mi).

New construction: New homes near Diamond Beach (Newark) · New Jersey new construction.

Census & home facts

Diamond Beach data from published sources

Population (ACS 2023)

288

Median home value (ACS 2023)

$603,800

Median household income (ACS 2023)

$114,914

County FHFA annual change (2025)

3.94%

County median listing price (FRED/Realtor.com) (2026-06-01)

$974,950

Census place type

CDP

County

Cape May County

Land area (Census Gazetteer 2024)

0.23 sq mi

Census GEOID

3417815

Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.

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Common questions

Diamond Beach FAQ

What are houses worth in Diamond Beach, NJ?

The Census Bureau's American Community Survey puts the median value of houses in Diamond Beach at $603,800. Cape May County's current median listing price runs $974,950, up about 10.3% over the past year.

How much do houses cost in Diamond Beach, NJ?

For owner-occupied houses in Diamond Beach, Census ACS data shows a median value of $603,800. Active listing prices in Cape May County may differ — see the market snapshot above.

What types of houses are in Diamond Beach, NJ?

Diamond Beach houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding Cape May County communities where builders are active. The housing-stock section below uses Census ACS structure counts when available for this city.

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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