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Key Biscayne, FL

Village in Miami-Dade County, Florida. ZIP codes: 33149.

Population

14,791

Land area

1.2sq mi

People per sq mi

11,859

ZIP codes

1

Key Biscayne and its ZIP codes

Key Biscayne at a glance

  • Key Biscayne is about 28 times as dense as Florida as a whole.
  • Households here earn a median of $181,505 a year, about 2.4 times the Florida figure of $74,568.
  • A typical owner-occupied home is valued at $1,575,300 (about 4.4 times the Florida figure) and median rent is more than $3,500 a month.

Local data for Key Biscayne, FL

Counts from official public data

Housing and community stats

Key Biscayne, FL, American Community Survey 2020-2024

Full profile

Median household income

$181,505

Poverty rate

5.5%

Median home value

$1,575,300

Median rent

$3,500+/mo

Homeownership

66.6%

Bachelor's or higher

77.2%

Median age

42.2

Average commute

23.7 min

Largest reported origins and ancestries: Colombian Americans (1,912), Italian Americans (1,156), Mexican Americans (1,152).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Miami-Dade County. PPP loans are for Key Biscayne.

Details

Unemployment rate

1.9%

Sep 2026, -1.0 pts in a year

Average annual pay

$81,818

1,276,535 jobs, 2025

Income per person

$78,567

BEA, 2024

Federal spending

$24.7B

FY 2026, $9,145 per person

Miami-Dade County economyFederal spending

How people get to work

Key Biscayne, FL, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone51.2%
  • Carpooled5.4%
  • Public transit1.9%
  • Walked2.0%
  • Bicycle0.3%
  • Taxi, ride-hailing, motorcycle or other4.6%
  • Worked from home34.6%

Average one-way commute: 23.7 minutes for people who do not work from home.

Environment and hazard risk

Key Biscayne, FL, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very High

Top: hurricane

Storm events since 1996

1,412

Countywide, mostly thunderstorm wind

Flood insurance policies

164,154

33.4% of homes, county

July high / Jan low

91° / 63°F

55.3 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Key Biscayne, FL, CDC PLACES estimates

All 40 measures

Obesity

23.5%

U.S. 33.3% -9.8 pts

Diabetes

11.1%

U.S. 12.1% -1.0 pts

Smoking

5.8%

U.S. 12.8% -7.0 pts

Uninsured (18-64)

13.7%

U.S. 11.1% +2.6 pts

ZIP codes in Key Biscayne

1 in or overlapping Key Biscayne. Population shown

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Cities near Key Biscayne

Frequently asked questions

What county is Key Biscayne, FL in?
Key Biscayne is in Miami-Dade County, Florida.
What ZIP codes are in Key Biscayne, FL?
ZIP codes in or overlapping Key Biscayne include 33149.
What is the population of Key Biscayne, FL?
About 14,791 people live in Key Biscayne, based on American Community Survey 5-year estimates.
What cities are near Key Biscayne?
Nearby places include Fisher Island (4.8 mi), Coral Gables (5.8 mi), Miami (7.1 mi), South Miami (8.2 mi), Miami Beach (8.5 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023