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Advertise here →Cos Cob, CT · Market Data
Cos Cob, Connecticut real estate market data.
Real estate market data for Cos Cob, CT (Western Connecticut Planning Region County) — Census median home value $1,149,500, county listing prices up about 5.8% over the past year.
Cos Cob, CT is in Western Connecticut Planning Region County, Connecticut — covering the whole local market here: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 7,354, with a median household income of $176,602. Census data puts Cos Cob's median home value at $1,149,500.
At a glance
Cos Cob market snapshot
Population
7,354
Median Household Income
$176,602
Median Home Value (city)
$1,149,500
Median Gross Rent
$2,574/mo
Price Trend (YoY)
+5.8%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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Advertise here →Why Cos Cob
What makes Cos Cob different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Cos Cob's median home value — across all owner-occupied homes, not just recent sales — at $1,149,500.
County Price Trend
Western Connecticut Planning Region County's FHFA house price index shows a 5.83% annual change in 2025.
Population & Income
Cos Cob has an estimated population of 7,354 and a median household income of $176,602, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Cos Cob's Census-reported median home value works out to about 6.5x the area's median household income, and median gross rent runs roughly 17% 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
Cos Cob FAQ
What are home values like in Cos Cob, CT?
The Census Bureau's American Community Survey puts Cos Cob's median home value at $1,149,500.
What is the population of Cos Cob, CT?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Cos Cob's population at approximately 7,354.
What's the median rent in Cos Cob, CT?
The Census ACS estimates median gross rent in Cos Cob at approximately $2,574 per month.
What is the median household income in Cos Cob, CT?
Census ACS data puts the median household income in Cos Cob at approximately $176,602.
Is the Cos Cob housing market growing?
Western Connecticut Planning Region County's FHFA house price index shows a 5.83% annual change in 2025.
Is Cos Cob, CT affordable relative to income?
Census ACS data puts Cos Cob's median home value at about 6.5 times the median household income, with median gross rent equal to roughly 17% 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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