Key Biscayne is a village in Miami-Dade County, Florida, United States. Located on the island of Key Biscayne, the village is part of the Miami metropolitan area of South Florida. The population was 14,809 at the 2020 census, up from 12,344 in 2010.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Key Biscayne ranks

All →

#2Most educated in FL #2Fewest smokers in FL #5Highest income in FL All FL rankings →

Town numbers

ZIP code33149

Area code305

Living in Key Biscayne

Housing in Key Biscayne

$1.71M▲ 6.5% in a year Typical home value · Zillow

The typical Key Biscayne home is worth about $1,708,000, up 6.5% in a year, 355% above the Florida typical home.

A buyer's market

Buyer’sBalancedSeller’s

Days on market178

Sale-to-list94.6%

Sold in May16

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Key Biscayne

—

Not graded

A grade needs all of the FBI's latest years (2023–2025). Key Biscayne's police department reported only 2023 and 2024, so we don't grade it yet. The figures below are still real.

Violent crime per 1,000

Key Biscayne 0.6

Florida 2.6

U.S. 3.6

Property crime per 1,000

Key Biscayne 7.8

Florida 12.6

U.S. 17.7

FBI crime data, 2024 · crimes reported to policeCrime & safety →

Work & commute in Key Biscayne

Full picture →

Most working residents leave Key Biscayne for work: only 12% work in town. The top destinations are Miami (28%), Coral Gables (8%) and Doral (4%). Half commute less than 8 miles.

Miami

28%

Coral Gables

Doral

Miami Beach

12%Work in townlive and work in Key Biscayne 8 miWhere do people commute?the commute map 3,695Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Key Biscayne →

Health in Key Biscayne

Health Grade A

Healthier than 94% of U.S. towns on seven CDC estimates.

Compared with Florida

18better than FL

of 26 measures CDC estimates. The other 8 are too close to call.

Conditions 10▲ 2 close Habits 3▲ 1 close Care 2▲ 5 close Mind 3▲ 0 close

BetterToo close to callWorse

What stands out

5.2%Fewer older adults who have lost all their teethFL 12.7% · better 5.8%Fewer smokersFL 12.4% · better

Care nearby

Coral Gables HospitalCoral Gables · 6.2 mi · ER

Coconut Grove Health CenterMiami · 6.2 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Key Biscayne · CMS · HRSAHealth in Key Biscayne →

Natural hazards in Key Biscayne

Moderate

Expected storm and flood damage is higher than in 41% of U.S. communities.

🌀 Hurricanes🌊 Inland flooding🌡️ Heat waves

1,027Does Key Biscayne flood?paid flood claims since 1991 11Disasters that paid out herefederal disasters sent FEMA money to Key Biscayne

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Key Biscayne →

Climate in Key Biscayne

Full climate →

Key Biscayne has warm winters and warm summers, with plenty of rain. A typical July afternoon reaches 89°, a January night drops to 62°, and snow is almost unheard of.

77° / 63°Winter

82° / 70°Spring

89° / 77°Summer

85° / 74°Fall

How much snow does Key Biscayne get?Almost none.Rain & snow →Does it ever freeze?In about 0% of years.Frost →Is it warmer than it used to be?+2.0° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Key Biscayne →

Schools in Key Biscayne

All Key Biscayne schools →

B⁻

School Grade B-

The public schools Key Biscayne’s kids attend, from kindergarten through graduation, trail 51% of Florida’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

#21Best public schoolsof 488 in FL

DistrictMIAMI-DADESchools3

Key Biscayne K-8 Center AElementary · Grades PK–8 · 884 students Key Biscayne Presbyterian SchoolElementary · Grades PK–1 · 160 students St. ChristophersElementary · Grades PK–5 · 159 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within FL. Ratings are from neighbors.