Key West, FL ZIP codes
Key West, Florida has 3 ZIP codes, including 2 PO Box ZIPs. They are in Monroe County.
- Population in these ZIPs
- 35,429
- Avg. median income
- $86,600population-weighted
- Typical home value
- $956,800population-weighted
- Metro area
- Key West-Key Largo, FL
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Key West, FL ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 33040 | Monroe County | 35,429 | $86,586 | $956,800 |
| 33041 PO Box | Monroe County | — | — | — |
| 33045 PO Box | Monroe County | — | — | — |
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 Key West
- Summerland Key 22 mi
- Big Pine Key 37 mi
- Key Colony Beach 52 mi
- Marathon 55 mi
- Long Key 67 mi
- Islamorada 75 mi
- Tavernier 87 mi
- Chokoloskee 92 mi
- Everglades City 94 mi
- Marco Island 95 mi
- Goodland 95 mi
- Key Largo 100 mi
Frequently asked questions
What county is Key West, Florida in?
Key West ZIP codes are in Monroe County.
Which Key West ZIP codes are PO Boxes?
33041 and 33045 are PO Box or single-organization ZIP codes; they have no residential delivery area.