FL area data
Key biscayne, FL
Key biscayne, FL.
Population: 14,791 (Census ACS)
Home values & appreciation
- Median home value
- $1.69M
- 1-year appreciation
- +4.6%
- 3-year appreciation
- +1.6%
- 5-year appreciation
- +39.3%
- 10-year appreciation
- +28.6%
- All-time peak (2024-10)
- $1.72M
- House Price Index
- 542.2 (-2.6% YoY)
Market activity
- Median sale price
- $4.30M
- Median list price
- $6.44M
- Median days on market
- 189 days
- Sale-to-list ratio
- 95.2%
- Active listings
- 34
- 1-year forecast
- +2.5%
- Days to pending
- 130 days
- New listings (monthly)
- 25
Rents
- Typical rent
- $7,910/mo
- 1-year rent change
- +6.7%
- 1BR fair-market rent
- $2,820/mo
- 3BR fair-market rent
- $4,420/mo
Affordability
- Cost of living index (Above Average)
- 101.0 (100 = US avg)
- Electricity rate (state-level)
- 15.2¢/kWh
- Natural gas rate (state-level)
- $25.50/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 3
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 2
Natural hazards & flood risk
- Overall hazard risk
- Very High
- Top hazards
- coastalFlooding, coldWave, hurricane, inlandFlooding, lightning
- FEMA flood zone
- AE
- Flood risk level
- High
Climate (30-year normals)
- Average annual temperature
- 78.0°F
- Average high
- 83.0°F
- Average low
- 72.0°F
- Annual precipitation
- 76.6 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 48
- Days with Good air quality
- 207
- Days with Unhealthy air quality
- 3
Walkability & transit
- Walkability index
- 17.3 / 20
- Transit service frequency
- 401
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Biscayne National Park (16 mi)
- Nearest airport
- Miami International Airport (MIA) (9 mi)
- Nearest major airport
- Miami International Airport (MIA) (9 mi)
- Hospitals nearby (~15 mi)
- 17
- Avg hospital rating
- 3.1 / 5
- EV charging stations (within 10 mi)
- 216
- Solar radiation rating
- Good (5.2 kWh/m²/day)
Migration
- Net migration
- -14,119 tax filers
Housing stock
- Median year housing built
- 1,977
- Median annual property tax
- $10,001
- Mean commute to work
- 16 min
- Households with broadband internet
- 86.5%
Employment & development
- Total county employment
- 1,098,806
- Average weekly wage
- $1,415
- Top industries (by employment)
- Health Care, Accommodation & Food, Professional Services
- Annual residential building permits (county)
- 1,962
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →