Cos Cob, CT ZIP Codes
One ZIP code serves Cos Cob, Connecticut: 06807. Together they are home to 7,650 residents in 2,828 households.
Cos Cob Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 7,546 |
| Households | 2,747 |
| Median household income | $190,481 |
| Median home value | $1,210,400 |
| Median age | 39.6 |
| Median rent | $3,067 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,650 |
| Households (sum of ZIP codes) | 2,828 |
| Median household income, range across ZIP codes | $192,115 (06807) to $192,115 (06807) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $192,115 |
| Homeowners | 69.8% |
| Households with kids under 18 | 47.2% |
| Moved in the past year | 10.2% |
| Carrier routes in EDDM2GO's route library | 7 routes, 2,839 homes (1 of 1 ZIP codes) |
Every ZIP code in Cos Cob
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 06807 | Cos Cob | 7,650 | 2,828 | $192,115 | $1,443,200 | 69.8% | 47.2% | 10.2% | 7 | 3,069 | 60% of its land; mailing city |
A ZIP code is listed for Cos Cob when at least 10% of its land lies inside the Cos Cob Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cos Cob. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Cos Cob.
Counties
- Fairfield County — 46 ZIP codes
Price a mailing to Cos Cob ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Cos Cob, CT?
- 06807. A ZIP code is listed for Cos Cob when at least 10% of its land lies inside the Cos Cob Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Cos Cob.
- What is the population of Cos Cob, CT?
- The Census Bureau counts 7,546 residents inside Cos Cob Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Cos Cob hold 7,650 residents in all.
- What is the median household income in Cos Cob, CT?
- $190,481 inside Cos Cob Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $192,115 to $192,115.
- How many carrier routes and mailboxes are in Cos Cob, CT?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 7 carrier routes reaching 2,839 residential and 229 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.