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Advertise here →Sea Isle City, NJ · Houses & Market Data
Sea Isle City, New Jersey houses and real estate market data.
Houses in Sea Isle City, NJ (Cape May County) — Census median home value $1,019,500, county listing prices up about 10.3% over the past year. Market data for Sea Isle City houses and the broader area.
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Sea Isle City, NJ is in Cape May County, New Jersey — this guide covers houses in Sea Isle City and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 2,079, with a median household income of $98,860. Census data puts Sea Isle City houses at a median value of $1,019,500 (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
Sea Isle City housing market
Sea Isle City is in Cape May County, New Jersey. Manifest Census and county price-trend data provide baseline context for houses in Sea Isle City and the surrounding county market.
Median home value (Census ACS)
$1,019,500
Population (Census ACS)
2,079
Median household income
$98,860
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
Sea Isle City market snapshot
Population
2,079
County
Cape May County
Median Household Income
$98,860
Median Home Value (city)
$1,019,500
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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What makes Sea Isle City different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Sea Isle City's median home value — across all owner-occupied homes, not just recent sales — at $1,019,500. 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
Sea Isle City has an estimated population of 2,079 and a median household income of $98,860, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Sea Isle City's Census-reported median home value works out to about 10.3x the area's median household income, and median gross rent runs roughly -8092252% 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 Sea Isle City
County guide: Cape May County — cities, market context, and local resources for the county that includes Sea Isle City.
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 South Seaville, Strathmere, Seaville, Ocean View, Avalon, South Dennis, Palermo, Dennisville, Goshen, Woodbine, Marmora, Cape May Court House, Stone Harbor, Beesleys Point, Ocean City, Tuckahoe.
South Seaville market data
Nearby city · ~3.7 mi
Strathmere market data
Nearby city · ~3.8 mi
Seaville market data
Nearby city · ~4.0 mi
Ocean View market data
Nearby city · ~4.1 mi
Avalon market data
Nearby city · ~4.8 mi
South Dennis market data
Nearby city · ~5.6 mi
Palermo market data
Nearby city · ~5.8 mi
Dennisville market data
Nearby city · ~7.3 mi
Goshen market data
Nearby city · ~7.7 mi
Woodbine market data
Nearby city · ~7.8 mi
Marmora market data
Nearby city · ~7.8 mi
Cape May Court House market data
Nearby city · ~8.1 mi
Stone Harbor market data
Nearby city · ~8.3 mi
Beesleys Point market data
Nearby city · ~9.5 mi
Ocean City market data
Nearby city · ~9.9 mi
Tuckahoe market data
Nearby city · ~9.9 mi
More New Jersey cities with market guides: Newark, Jersey City, Paterson, Elizabeth, Toms River, Trenton, Clifton, Camden.
Newark market data
Same-state city guide
Jersey City market data
Same-state city guide
Paterson market data
Same-state city guide
Elizabeth market data
Same-state city guide
Toms River market data
Same-state city guide
Trenton market data
Same-state city guide
Clifton market data
Same-state city guide
Camden market data
Same-state city guide
Adjacent-county Census places with USAHouses.com pages: Corbin City (~10.4 mi), Somers Point (~12.6 mi), Delmont (~13.9 mi), Longport (~14.5 mi), Estell Manor (~14.6 mi), Linwood (~15.1 mi), English Creek (~16.0 mi), Bargaintown (~16.2 mi), Heislerville (~16.3 mi), Margate City (~16.3 mi), Dorchester (~16.6 mi), Leesburg (~16.8 mi), Northfield (~17.3 mi), Ventnor City (~17.7 mi), Port Elizabeth (~18.1 mi), Cumberland-Hesstown (~18.5 mi).
New construction: New homes near Sea Isle City (Newark) · New Jersey new construction.
Census & home facts
Sea Isle City data from published sources
Population (ACS 2023)
2,079
Median home value (ACS 2023)
$1,019,500
Median household income (ACS 2023)
$98,860
County FHFA annual change (2025)
3.94%
County median listing price (FRED/Realtor.com) (2026-06-01)
$974,950
Census place type
city
County
Cape May County
Land area (Census Gazetteer 2024)
2.20 sq mi
Census GEOID
3466390
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Sea Isle City
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Coastal Crossing ↗
D.R. Horton · Middle Township, New Jersey · ~12.7 mi · from $429,690
Cape May County Select ↗
D.R. Horton · Wildwood, New Jersey · ~13.0 mi
Grande Woods South Mhc ↗
Champion Homes · Rio Grande, New Jersey · ~13.1 mi
Atlantic County Select ↗
D.R. Horton · Linwood, New Jersey · ~15.3 mi
Patcong Farms ↗
D.R. Horton · Egg Harbor Township, New Jersey · ~15.4 mi
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Common questions
Sea Isle City FAQ
What are houses worth in Sea Isle City, NJ?
The Census Bureau's American Community Survey puts the median value of houses in Sea Isle City at $1,019,500. 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 Sea Isle City, NJ?
For owner-occupied houses in Sea Isle City, Census ACS data shows a median value of $1,019,500. Active listing prices in Cape May County may differ — see the market snapshot above.
What types of houses are in Sea Isle City, NJ?
Sea Isle City 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 Sea Isle City, NJ?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Sea Isle City's population at approximately 2,079.
What's the median rent in Sea Isle City, NJ?
The Census ACS estimates median gross rent in Sea Isle City at approximately $-666,666,666 per month.
What is the median household income in Sea Isle City, NJ?
Census ACS data puts the median household income in Sea Isle City at approximately $98,860.
Is the Sea Isle City housing market growing?
Cape May County's FHFA house price index shows a 3.94% annual change in 2025.
Is Sea Isle City, NJ affordable relative to income?
Census ACS data puts Sea Isle City's median home value at about 10.3 times the median household income, with median gross rent equal to roughly -8092252% 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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