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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Key Biscayne, FL

Key Biscayne, FL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 33149StandardMiami-Dade12,389305

Timezone(s):Eastern (GMT -05:00)
Population:12,344 (More Details)
Male Population:5,728
Female Population:6,616
Median Age:42
ZIP Codes:1
Area Codes:1
Total Area:2,431 square miles (county)
Land Area:1,898 square miles (county)
Water Area:533 square miles (county)

Key Biscayne, FL Demographic Information *

Total population12,344
Male population5,728
Female population6,616
Median age (years)41.8
White Population11,872
Black Population50
Indian Population15
Asian Population135
Hawaiian Population0
Hispanic Population7,602
Median age (Male)41.5
Median age (Female)42
Total households4,704
Family households (families)3,373
Average household size2.62
Average family size3.13
Total housing units7,072
* Demographic data is based on 2010 Census.

Key Biscayne, FL Other Information

14 Cities within 30 miles of Key Biscayne, FL Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],