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Zip Code 33149 — Key Biscayne, FL

ZIP Code 33149 is associated with Key Biscayne, FL, in Miami-Dade County. The listed population estimate is 14,791; estimated density is 1,212.8 people per square mile. Among records with population estimates, it ranks #69 of 78 in Miami-Dade County and #604 of 993 in FL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (25.724790, -80.161180)

Data MetricLocal Statistic
Postal / Zip Code33149
Primary CityKey Biscayne
State / ProvinceFL
CountyMiami-Dade
Total Population14,791
Population Density1,212.8 people/sq mi
TimezoneAmerica/New_York

How 33149 Compares

MetricZIP 33149Miami-Dade County recordsFL records
Population estimate14,7912,738,360 (sum)22,412,596 (sum)
Population Density1,212.8 /sq mi----
County population rank#69 of 78----
State population rank#604 of 993----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in FL

ZIP CodeCityDistancePopulation estimate
ZIP 33109Miami Beach2.8 mi1,083
ZIP 33131Miami3.1 mi23,095
ZIP 33129Miami3.1 mi14,702
ZIP 33132Miami3.7 mi20,253
ZIP 33130Miami4.0 mi34,964

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →