The Town FilesKey Biscayne, Florida
Village in Miami-Dade County · population 14,809 (2020 Census)
- Median home
- $1,575,300
- Household income
- $181,505
- Jan low / Jul high
- 63° / 91°
- Snow a year
- 0 in
- Tornadoes ≤10 mi since 1950
- 38
- Median age
- 42.2
Key Biscayne is a village of 14,809 people in Miami-Dade County, Florida. The median home is worth $1,575,300, above the typical Florida town ($331,600). It ranks more upscale than 100% of Florida towns, better for young professionals than 97% of Florida towns, more walkable than 95% of Florida towns.
How Key Biscayne ranks
Percentile among Florida towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Florida towns.
Homes and cost of living
The median home in Key Biscayne is worth $1,575,300, above the typical Florida town ($331,600). Homes cost about 8.7 times the median household income of $181,505, which is more affordable than 3% of Florida towns. Median rent is $3,501 a month. 66.6% of households own their home.
| Housing | Key Biscayne | Typical Florida town |
|---|---|---|
| Median home value | $1,575,300 | $331,600 |
| Median rent | $3,501 | $1,569 |
| Median household income | $181,505 | $71,140 |
| Home value ÷ income | 8.7× | 4.5× |
| Homeownership | 66.6% | 73.5% |
| Median year built | 1977 | 1985 |
| Seasonal / vacation homes | 23.7% | — |
Who lives in Key Biscayne
| People | Key Biscayne | Typical Florida town |
|---|---|---|
| Median age | 42.2 | 42.8 |
| Age 65 and over | 15.7% | 20.2% |
| Under 18 | 31.8% | — |
| Bachelor's degree or higher | 77.2% | 28.8% |
| Below the poverty line | 5.5% | 11.3% |
| Veterans | 1.5% | — |
| Born outside the U.S. | 58.1% | — |
| Work from home | 34.6% | 13.5% |
| Average commute | 23.7 min | 27.5 min |
| Homes with broadband | 92.6% | 92.4% |
Weather in Key Biscayne
July highs average 90.8°F and January lows 62.8°F. About 55.3 inches of rain and melted snow fall a year, with 0.0 inches of snow (typical Florida town: 0.0 in). Expect about 55 days a year at 90°F or hotter and 0 nights at or below freezing.
Tornadoes, storms and disasters
38 tornadoes have passed within 10 miles of Key Biscayne since 1950, compared with 35 for the typical Florida town. 3 rated (E)F2 or stronger. The strongest, an F3, struck on June 17, 1959 about 7.4 miles from the town center. Tornadoes within 10 miles have caused 1 deaths and 98 injuries since 1950. The most recent was on March 10, 2011.
Hail of 1 inch or larger has been reported within 10 miles 28 times; the largest was 4.00 inches on March 29, 1963.
Severe weather in Miami-Dade County since 1996
Miami-Dade County has been included in 43 federal disaster or emergency declarations since 1953, most often for fire, other, tornado.
| Declared | Incident | Declaration |
|---|---|---|
| October 11, 2024 | Hurricane | DR-4834: Hurricane Milton |
| October 7, 2024 | Hurricane | EM-3622: Hurricane Milton |
| December 13, 2022 | Hurricane | DR-4680: Hurricane Nicole |
| November 8, 2022 | Tropical Storm | EM-3587: Tropical Storm Nicole |
| September 29, 2022 | Hurricane | DR-4673: Hurricane Ian |
Jobs and pay in Miami-Dade County
Miami-Dade County had 1,257,569 jobs in 2024, paying an average of $77,609 a year. Unemployment was 1.8% in 2023; in Key Biscayne itself the ACS puts it at 2.8%.
Public schools in Key Biscayne
2 public schools with 2,426 students, about 19.0 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| MAST ACADEMY | 6-12 | 1,548 | 19.6 |
| KEY BISCAYNE K-8 CENTER | PK-8 | 878 | 17.9 |
Towns near Key Biscayne
- Coral Gables, FL6.0 mi · 49,248 people · home $1,089,900
- Miami, FL6.4 mi · 442,241 people · home $518,100
- South Miami, FL8.2 mi · 12,026 people · home $829,400
- Miami Beach, FL8.4 mi · 82,890 people · home $556,700
- Pinecrest, FL8.8 mi · 18,388 people · home $1,406,400
- West Miami, FL9.4 mi · 7,233 people · home $488,800
- Glenvar Heights, FL9.4 mi · 20,786 people · home $545,400
- Coral Terrace, FL9.5 mi · 23,142 people · home $582,900
Key Biscayne questions
Is Key Biscayne, Florida a good place to retire?
On The Town Files lifestyle rankings, Key Biscayne scores better for retirees than 52% of Florida towns and quieter than 2%. 15.7% of residents are 65 or older (median age 42.2).
How much does a house cost in Key Biscayne?
The median owner-occupied home in Key Biscayne is valued at $1,575,300 (Census ACS 2020–2024), against a median household income of $181,505, so homes cost about 8.7 times income. Median rent is $3,501 a month.
What is the weather like in Key Biscayne?
July highs average 90.8°F and January lows 62.8°F (NOAA 1991–2020 normals). It gets about 55.3 inches of precipitation a year and 0.0 inches of snow.
Does Key Biscayne get tornadoes?
38 tornadoes have passed within 10 miles of Key Biscayne since 1950 (NOAA Storm Events); the strongest was a F3 on June 17, 1959. The typical Florida town has had 35.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)