Long Key ZIP code, Florida
The ZIP code for Long Key, FL is 33001.
- USPS city name
- 1 ZIP code
- Population
- 250
- County
- Monroe County
- State
- Florida
Long Key in numbers
About 250 people live in Long Key, in 131 households. The median owner-occupied home is valued at $703,100 (96% above the Florida median).
| Population | 250 |
|---|---|
| Households | 131 |
| Median home value | $703,100 |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Long Key. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Long Key
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
33001 | Long Key , FL | Standard | 250 | — | $703,100 |
Map of Long Key ZIP codes
The ZIP codes of Long Key, FL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Long Key
The nearest larger towns are Duck Key (647 people, 8.0 mi), Marathon (9,914 people, 16 mi) and Key Colony Beach (511 people, 16 mi).
| Town | Population | Distance |
|---|---|---|
| Marathon | 9,914 | 15.7 mi |
| Islamorada, Village of Islands | 7,068 | 19.2 mi |
More nearby: every ZIP code in Monroe County · Florida ZIP codes
Cite this page
zipcodes.pro. “Long Key, FL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/fl/long-key
Underlying data is public domain or openly licensed — sources, vintages and licences.