Census place 1236300

Key Biscayne

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Key Biscayne village

Relocation snapshot

What stands out in Key Biscayne.

According to the 2025 estimate, Key Biscayne has a population of 14,815 and 11,878 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 176 covered Florida places are: median home value is $1,575,300, above the comparison median of $363,750; population density is 11,878/sq mi, above the comparison median of 2,757/sq mi; and median household income is $181,505, above the comparison median of $73,566. These unweighted medians compare covered Census places and are not statewide estimates.

median home value: $1,575,300
population density: 11,878/sq mi
median household income: $181,505

National context

Follow the metrics.

Compare Key Biscayne's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population: 14,815
Annual change: -1%
Density: 11,878/sq mi
Median age: 42.2 years

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income: $181,505
Median home value: $1,575,300
Median gross rent: $3,501
Bachelor’s degree or higher: 77.2%
Typical commute: 23.7 min
Drive-alone commute: 51.2%
Public transit commute: 1.9%
Walked to work: 2%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes: 33.4%
Renters paying 30%+ of income: 65.7%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+: 58.9%
Unemployed residents 16+: 1.7%
Working from home: 34.6%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband: 92.6%
Homes built 2020+: 0.4%
Households without a vehicle: 2.8%
Households with children: 46.2%
Residents with a disability: 5.1%
Residents without insurance: 1.8%

Environmental context

A record of declared events.

FEMA declarations for Miami-Dade County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000: 24
Hurricane declarations: 17
Severe Storm declarations: 4
Fire declarations: 1

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: MIAMI WSO CITY (7 mi from place center)

Average high: 82.1°F
Average low: 72.6°F
Annual rainfall: 51"
Annual snowfall: 0"

Month by month

A year in Key Biscayne.

Typical high and low °F

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Typical precipitation inches

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Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Population estimates ACS profile TIGERweb boundary NOAA climate normals FEMA declarations

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Median home: $1,472,000

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Population, housing, work, and travel data for this Census place.

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Keep exploring

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