Cos Cob, CT ZIP code
The ZIP code for Cos Cob, Connecticut is 06807. It is in Fairfield County.
- Population in these ZIPs
- 7,650
- Avg. median income
- $192,100population-weighted
- Typical home value
- $1,855,900population-weighted
- Metro area
- Bridgeport-Stamford-Danbury, CT
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Cos Cob, CT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 06807 | 7,650 | $192,115 | $1,855,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Cos Cob
- Riverside 2 mi
- Greenwich 2 mi
- Old Greenwich 2 mi
- Stamford 3 mi
- Darien 6 mi
- New Canaan 9 mi
- Norwalk 12 mi
- Wilton 13 mi
- Westport 15 mi
- Weston 17 mi
- Southport 17 mi
- Ridgefield 17 mi
Frequently asked questions
What is the ZIP code for Cos Cob, CT?
The ZIP code for Cos Cob, CT is 06807.
What county is Cos Cob, Connecticut in?
Cos Cob ZIP codes are in Fairfield County.