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Advertise here →Cousins Island, ME · Houses & Market Data
Cousins Island, Maine houses and real estate market data.
Houses in Cousins Island, ME (Cumberland County) — Census median home value $634,100, county listing prices down about 3.0% over the past year. Market data for Cousins Island houses and the broader area.
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Cousins Island, ME is in Cumberland County, Maine — this guide covers houses in Cousins Island and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 509, with a median household income of $121,250. Census data puts Cousins Island houses at a median value of $634,100 (all owner-occupied homes); Cumberland County's current median listing price runs $654,725, down about 3.0% over the past year.
Info from government sites and builders may have provided source info.
Market overview
Cousins Island housing market
Cousins Island is in Cumberland County, Maine. Manifest Census and county price-trend data provide baseline context for houses in Cousins Island and the surrounding county market.
Median home value (Census ACS)
$634,100
Population (Census ACS)
509
Median household income
$121,250
County price trend (2025)
4.06% 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
Cousins Island market snapshot
Population
509
County
Cumberland County
Median Household Income
$121,250
Median Home Value (city)
$634,100
Median Listing Price (Cumberland County)
$654,725
Median Gross Rent
$-666,666,666/mo
Price Trend (YoY)
-3.0%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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Advertise here →Why Cousins Island
What makes Cousins Island different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Cousins Island's median home value — across all owner-occupied homes, not just recent sales — at $634,100. Separately, Cumberland County's current median listing price (via Realtor.com data, 2026-06-01) runs $654,725. 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
Cumberland County's FHFA house price index shows a 4.06% annual change in 2025.
Population & Income
Cousins Island has an estimated population of 509 and a median household income of $121,250, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Cousins Island's Census-reported median home value works out to about 5.2x the area's median household income, and median gross rent runs roughly -6597938% 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 Cousins Island
County guide: Cumberland County — cities, market context, and local resources for the county that includes Cousins Island.
USAHouses.com also helps visitors looking in nearby Cumberland County and other Maine communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.
Nearby communities include Littlejohn Island, Yarmouth, Falmouth Foreside, Cumberland Center, Falmouth, Freeport, Portland, Westbrook, South Portland, Gray, Brunswick, South Windham, Little Falls, North Windham, Oak Hill, Gorham.
Littlejohn Island market data
Nearby city · ~0.9 mi
Yarmouth market data
Nearby city · ~3.4 mi
Falmouth Foreside market data
Nearby city · ~4.4 mi
Cumberland Center market data
Nearby city · ~5.4 mi
Falmouth market data
Nearby city · ~5.6 mi
Freeport market data
Nearby city · ~6.5 mi
Portland market data
Nearby city · ~9.5 mi
Westbrook market data
Nearby city · ~11.2 mi
South Portland market data
Nearby city · ~11.8 mi
Gray market data
Nearby city · ~12.2 mi
Brunswick market data
Nearby city · ~13.0 mi
South Windham market data
Nearby city · ~14.1 mi
Little Falls market data
Nearby city · ~14.8 mi
North Windham market data
Nearby city · ~14.9 mi
Oak Hill market data
Nearby city · ~15.4 mi
Gorham market data
Nearby city · ~15.4 mi
More Maine cities with market guides: Lewiston, Bangor, Auburn, Biddeford, Sanford, Saco, Augusta, Waterville.
Lewiston market data
Same-state city guide
Bangor market data
Same-state city guide
Auburn market data
Same-state city guide
Biddeford market data
Same-state city guide
Sanford market data
Same-state city guide
Saco market data
Same-state city guide
Augusta market data
Same-state city guide
Waterville market data
Same-state city guide
Adjacent-county Census places with USAHouses.com pages: Topsham (~16.3 mi), Lisbon Falls (~17.2 mi), Lisbon (~18.3 mi), Bath (~18.7 mi), Old Orchard Beach (~19.3 mi), Bowdoinham (~21.3 mi), Saco (~21.5 mi), Lewiston (~22.3 mi), Auburn (~22.6 mi), Sabattus (~24.5 mi), Biddeford (~25.9 mi), Mechanic Falls (~26.9 mi), Richmond (~28.3 mi), Greene (~29.2 mi), Lake Arrowhead (~30.8 mi), Kennebunkport (~32.1 mi).
New construction: Maine new construction.
Census & home facts
Cousins Island data from published sources
Population (ACS 2023)
509
Median home value (ACS 2023)
$634,100
Median household income (ACS 2023)
$121,250
County FHFA annual change (2025)
4.06%
County median listing price (FRED/Realtor.com) (2026-06-01)
$654,725
Census place type
CDP
County
Cumberland County
Land area (Census Gazetteer 2024)
1.06 sq mi
Census GEOID
2314800
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 Cousins Island
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Town Country Village ↗
Champion Homes · Lisbon, Maine · ~18.2 mi
Hidden Hills ↗
South Street Village LLC · Biddeford, Maine · ~26.3 mi · from $349,900
Sandy Bottom Estates ↗
Champion Homes · Turner, Maine · ~34.4 mi
Wayne Brulotte ↗
Champion Homes · Berwick, Maine · ~49.8 mi
Sherwood Glen ↗
Champion Homes · Somersworth, New Hampshire · ~51.5 mi
Reach Cousins Island buyers
Builders: feature your communities in front of Cousins Island buyers — learn about advertising ↗
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Common questions
Cousins Island FAQ
What are houses worth in Cousins Island, ME?
The Census Bureau's American Community Survey puts the median value of houses in Cousins Island at $634,100. Cumberland County's current median listing price runs $654,725, down about 3.0% over the past year.
How much do houses cost in Cousins Island, ME?
For owner-occupied houses in Cousins Island, Census ACS data shows a median value of $634,100. Active listing prices in Cumberland County may differ — see the market snapshot above.
What types of houses are in Cousins Island, ME?
Cousins Island houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding Cumberland 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 Cousins Island, ME?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Cousins Island's population at approximately 509.
What's the median rent in Cousins Island, ME?
The Census ACS estimates median gross rent in Cousins Island at approximately $-666,666,666 per month.
What is the median household income in Cousins Island, ME?
Census ACS data puts the median household income in Cousins Island at approximately $121,250.
Is the Cousins Island housing market growing?
Cumberland County's FHFA house price index shows a 4.06% annual change in 2025.
Is Cousins Island, ME affordable relative to income?
Census ACS data puts Cousins Island's median home value at about 5.2 times the median household income, with median gross rent equal to roughly -6597938% 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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