Census place · GEOID 1236300 · Miami-Dade County
Key Biscayne, FL ZIP codes
1 ZIP/ZCTA intersecting this Census place in Miami-Dade County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Key Biscayne (GEOID 1236300). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 14,628 (1 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Key Biscayne, FL

ZIP/ZCTA overlap with Key Biscayne
Population overlap
Share of each ZIP/ZCTA’s population located within Key Biscayne, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 3314999.7%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Key Biscayne
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 33149 | Key Biscayne | Miami-Dade County | 14,628 | $171,982 |