Old Saybrook, CT ZIP code
The ZIP code for Old Saybrook, Connecticut is 06475. It is in Middlesex County.
- Population in these ZIPs
- 10,575
- Avg. median income
- $114,300population-weighted
- Typical home value
- $698,800population-weighted
- Metro area
- Hartford-West Hartford-East Hartford, CT
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Old Saybrook, CT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 06475 | 10,575 | $114,333 | $698,800 |
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 Old Saybrook
- Essex 4 mi
- Ivoryton 4 mi
- Centerbrook 4 mi
- Westbrook 5 mi
- Old Lyme 5 mi
- South Lyme 7 mi
- Deep River 7 mi
- Clinton 8 mi
- Hadlyme 8 mi
- Niantic 9 mi
- Chester 9 mi
- East Lyme 10 mi
Frequently asked questions
What is the ZIP code for Old Saybrook, CT?
The ZIP code for Old Saybrook, CT is 06475.
What county is Old Saybrook, Connecticut in?
Old Saybrook ZIP codes are in Middlesex County.