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Key Biscayne, FL
Full City Profile · Florida · Miami-Dade County County
3.4
/5.0
B
Good
14,560
Population
11,648/sq mi density
$172,604
Median Income
$97,329 per capita
$1,238,700
Home Value
$1,644,950 Zillow
$3,501
Median Rent
38.2% income on rent
79°F
Avg Temperature
330 sunny days/yr
38
Violent Crime/100K
1,321 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$172,604 median income, 2.0% unemployment
C+
Affordability
2.6 / 5.0
$1,238,700 home value, $3,501/mo rent
F
Safety
1.0 / 5.0
38 violent crimes/100K
A+
Education
5.0 / 5.0
74.4% bachelor's degree or higher
Housing Overview
Median Home Value
$1,238,700
339% above
US avg: $281,900
Median Rent
$3,501/mo
201% above
US avg: $1,163/mo
Homeownership Rate
69.3%
6% above US avg (65.4%)
Total Housing Units
7,403
Median year built: 1979
Home Value by Source
Census Median
$1,238,700
Zillow (ZHVI)
$1,644,950
Median Sale Price
$1,910,000
Median List Price
$2,045,000
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
69.3%
Owner-Occupied
30.7%
Renter-Occupied
US avg: 65.4% owner-occupied
Fair Market Rents (HUD FY2026)
Studio
$1,212/mo
1 Bedroom
$1,296/mo
2 Bedroom
$1,526/mo
3 Bedroom
$1,971/mo
4 Bedroom
$2,261/mo
Census median rent:
$3,501/mo
· Zillow rent:
$7,636/mo
Market Indicators (Redfin)
Median Days on Market
93 days
Sale-to-List Ratio
0.9%
Buyers market
Homes Sold
17
Price Drops
13.7%
of listings with price reduction
Price Per Sq Ft
$925
Active Inventory
131
homes for sale
Affordability & Housing Stock
Rent Burden
38.2%
of renters spending 30%+ of income on housing
23% above US avg (31.0%)
Median Year Built
1979
Average age of housing stock: 47 years
Homeownership Rate
69.3%
Complete Housing Data
Home Values
| Census Median Value | $1,238,700 |
| Zillow Home Value (ZHVI) | $1,644,950 |
| Median Sale Price | $1,910,000 |
| Median List Price | $2,045,000 |
| Price Per Sq Ft | $925 |
Rent
| Census Median Rent | $3,501 |
| Zillow Rent (ZORI) | $7,636 |
| FMR Studio | $1,212 |
| FMR 1-Bedroom | $1,296 |
| FMR 2-Bedroom | $1,526 |
| FMR 3-Bedroom | $1,971 |
| FMR 4-Bedroom | $2,261 |
Market
| Days on Market | 93 |
| Sale-to-List Ratio | 0.9% |
| Price Drops | 13.7% |
| Homes Sold | 17 |
| Active Inventory | 131 |
| Price Per Sq Ft | $925 |
Ownership & Stock
| Owner-Occupied | 69.3% |
| Renter-Occupied | 30.7% |
| Homeownership Rate | 69.3% |
| Total Housing Units | 7,403 |
| Median Year Built | 1979 |
| Rent Burden | 38.2% |