Cos Cob, CT
Population 7,354 · Connecticut
About Cos Cob, CT
Cos Cob is a small community in Connecticut with a population of 7,354 residents. The median household income is $176,602 per year, which is above the national average. The median age in Cos Cob is 39.3 years.
Housing in Cos Cob has a median home value of $1,149,500 and median monthly rent of $2,574. Of the 2,711 total housing units, the majority are owner-occupied, with 1,724 owner-occupied and 911 renter-occupied units.
The unemployment rate in Cos Cob is 6.1% and the poverty rate is 5.5%. 70.3% of residents hold a bachelor's degree or higher. The average commute time is 29.2 minutes.
How Cos Cob Ranks in Connecticut
Cost of Living in Cos Cob, CT
Compared to national averages, Cos Cob has a median household income of $176,602 (135% above the national median of $75,149). Home values average $1,149,500, which is 369% above the national median. Monthly rent at $2,574 is 121% above the US average of $1,163. Within Connecticut, Cos Cob's income is 44% above the state average of $123,065, and home values are 122% above the state median of $516,920.
Why Live in Cos Cob, CT?
Cos Cob offers a strong local economy with a median household income of $176,602, well above the national average, and a well-educated community where 70.3% of residents hold a bachelor’s degree or higher, and a low poverty rate of 5.5%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $1,149,500. However, Cos Cob’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Cos Cob has a population of 7,354 with a median age of 39.3 years. Compare Cos Cob with other cities to see how it stacks up, or explore all cities in Connecticut.
Similar Cities Near Cos Cob
Cities in Connecticut with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Thompsonville | 7,473 | $71,714 | $235,200 | Compare |
| Putnam | 7,120 | $63,209 | $236,000 | Compare |
| Ridgefield | 7,103 | $143,286 | $843,200 | Compare |
| New Milford | 7,632 | $81,170 | $326,200 | Compare |
| Winsted | 7,074 | $66,058 | $214,000 | Compare |
| New Canaan | 7,032 | $163,355 | $1,115,600 | Compare |
| Staples | 6,985 | $218,365 | $1,202,800 | Compare |
| Old Greenwich | 6,904 | $250,001 | $1,668,200 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Connecticut
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare Cos Cob With Other Cities
Frequently Asked Questions about Cos Cob
What is the population of Cos Cob, CT?
The population of Cos Cob, CT is 7,354 according to the latest Census data.
What is the median household income in Cos Cob?
The median household income in Cos Cob, CT is $176,602 per year.
What is the median home value in Cos Cob?
The median home value in Cos Cob, CT is $1,149,500.
What is the average rent in Cos Cob?
The median monthly rent in Cos Cob, CT is $2,574.
What is the unemployment rate in Cos Cob?
The unemployment rate in Cos Cob, CT is 6.1%.