Cost of living in Cos Cob, CT

Cos Cob is a census-designated place in Fairfield County, CT. ACS 2024 5-year population is 7,546. Median gross rent is $3,067 (ACS 2024 5-year, this place). Median home value is $1,210,400. Median household income is $190,481. Insurance is the NAIC state average; food is a USDA plan — no town indexes.