ZIP code · Cos Cob · Connecticut · United States
ZIP code 06807 — Cos Cob
ZIP code 06807 serves Cos Cob, Connecticut.
- Postal code
- 06807Single source Value from one source, not cross-checked.
- City
- Cos Cob
- County
- Western Connecticut FIPS 09001
- State
- Connecticut
- Country
- United States
- Coordinates
- 41.0530, -73.5935 — precision precise (locality)
View on OpenStreetMap - Population
- 7,667 (ZCTA, ACS 5-year)
- Population density
- 2,342 / sq mi
- Land area
- 3.3 sq mi (8.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $194,492
- Per-capita income
- $109,171
- Median age
- 39.3
- Households
- 2,783
- Housing units
- 2,881
- Median home value
- $1,228,000
- Median gross rent
- $2,622 / month
- Congressional district
- CT-4 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 06807 with another ZIP · ZIPs within 25 miles · distance from 06807
Map of ZIP code 06807
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 41 | 49 | 62 | 72 | 80 | 85 | 83 | 76 | 64 | 53 | 43 |
| Avg low °F | 22 | 23 | 30 | 40 | 50 | 59 | 64 | 63 | 56 | 45 | 35 | 27 |
| Precip in | 4.3 | 3.1 | 4.7 | 4.4 | 4.1 | 4.9 | 3.8 | 3.8 | 5.2 | 4.6 | 4.2 | 4.4 |
NOAA 1991–2020 climate normals from the nearest station: STAMFORD 5 N (5.5 mi) · NOAA NCEI
Places in ZIP 06807
- 2 schools
- 1 pharmacies
- 9 restaurants & cafés
- 7 parks
- 3 playgrounds
- 1 libraries
- 1 post offices
- 1 places of worship
- 3 banks
- 1 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page