Key Biscayne, FL
Population 14,560 · Florida
About Key Biscayne, FL
Key Biscayne is a mid-sized city in Florida with a population of 14,560 residents. The median household income is $172,604 per year, which is above the national average. The median age in Key Biscayne is 43.1 years.
Housing in Key Biscayne has a median home value of $1,238,700 and median monthly rent of $3,501. Of the 7,496 total housing units, the majority are owner-occupied, with 3,456 owner-occupied and 1,529 renter-occupied units.
The unemployment rate in Key Biscayne is 3.4% and the poverty rate is 7.7%. 74.4% of residents hold a bachelor's degree or higher. The average commute time is 23.8 minutes.
How Key Biscayne Ranks in Florida
Cost of Living in Key Biscayne, FL
Compared to national averages, Key Biscayne has a median household income of $172,604 (130% above the national median of $75,149). Home values average $1,238,700, which is 406% above the national median. Monthly rent at $3,501 is 201% above the US average of $1,163. Within Florida, Key Biscayne's income is 127% above the state average of $75,893, and home values are 250% above the state median of $353,675.
Why Live in Key Biscayne, FL?
Key Biscayne offers a strong local economy with a median household income of $172,604, well above the national average, and a strong job market with an unemployment rate of just 3.4%, and a well-educated community where 74.4% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 7.7%, better than the national average, and short commute times averaging just 23.8 minutes.
Potential considerations include a competitive housing market where the typical home costs $1,238,700. However, Key Biscayne’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Key Biscayne has a population of 14,560 with a median age of 43.1 years. Compare Key Biscayne with other cities to see how it stacks up, or explore all cities in Florida.
Similar Cities Near Key Biscayne
Cities in Florida with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Naranja | 14,610 | $55,563 | $310,700 | Compare |
| Gladeview | 14,657 | $44,560 | $295,000 | Compare |
| Thonotosassa | 14,660 | $67,447 | $287,600 | Compare |
| Lockhart | 14,753 | $70,051 | $247,400 | Compare |
| Hobe Sound | 14,313 | $63,233 | $323,700 | Compare |
| Iona | 14,290 | $66,143 | $295,700 | Compare |
| East Milton | 14,280 | $61,922 | $199,900 | Compare |
| Forest City | 14,871 | $84,337 | $364,900 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Florida
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Key Biscayne
What is the population of Key Biscayne, FL?
The population of Key Biscayne, FL is 14,560 according to the latest Census data.
What is the median household income in Key Biscayne?
The median household income in Key Biscayne, FL is $172,604 per year.
What is the median home value in Key Biscayne?
The median home value in Key Biscayne, FL is $1,238,700.
What is the average rent in Key Biscayne?
The median monthly rent in Key Biscayne, FL is $3,501.
What is the unemployment rate in Key Biscayne?
The unemployment rate in Key Biscayne, FL is 3.4%.