Key Biscayne, FL Population Statistics: Density Map Data
Analyze population trends, housing costs, and the local economy by exploring Map AI.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population
| Metric | Key Biscayne | Florida Avg | U.S. Average |
|---|---|---|---|
| Population | 10,942 | 22,318,419 | 334,821,731 |
| Population density (per sq mi) | 6405.8 | 312.4 | 85.8 |
| Population growth (%/yr) | 2.09% | 1.35% | 0.57% |
| Median age | 41.6 | 40.2 | 37.1 |
| Households | 4,238 | 8,536,315 | 128,459,983 |
Population in Key Biscayne grew by 525.5% from 2009 to 2023, reaching 11,679 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Key Biscayne has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Key Biscayne | Florida Avg | U.S. Average |
|---|---|---|---|
| Median household income | $147,932 | $71,865 | $78,145 |
| Income growth (%/yr) | 5.09% | 5.65% | 5.07% |
| Unemployment rate | 3.8% | 4.8% | 5.2% |
The median household income in Key Biscayne is about 106% higher than in Florida.
Housing
| Metric | Key Biscayne | Florida Avg | U.S. Average |
|---|---|---|---|
| Median home price | $2,000,000 | $293,727 | $242,182 |
| Median rent | $3,500 | $1,564 | $1,342 |
| Homeownership rate | 67.6% | 67.3% | 65.1% |
The median home price in Key Biscayne is about 47.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $3,500 per month for that long.
Commute Time & Mobility
Commuters in Key Biscayne spend about 45 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 187 hours, about 7.8 full days, spent commuting.
| Metric | Key Biscayne | Florida Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 22.5 | 23.9 | 22.5 |
| Round-trip commute (min) | 44.9 | 47.9 | 44.9 |
| Yearly time spent (hours) | 187 | 200 | 187 |
| Estimated yearly cost | $5,803 | $6,185 | $5,803 |
| Work from home | 33.6% | 13.9% | 13.4% |
| Highway traffic (vehicles/day) | — | 14,318 | 8,813 |
| Local road traffic (vehicles/day) | 4,014 | 3,068 | 1,355 |
The average commute time in Key Biscayne is 22 minutes, shorter than the 24 minutes in Florida.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Key Biscayne has a education index of A+, which means it is exceptionally educated.
| Metric | Key Biscayne | Florida Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 69.8% | 30.1% | 31.6% |
| Average household size | 2.76 | 2.51 | 2.54 |
Health
Key Biscayne has a health index of A+, which means it is exceptionally healthy.
| Metric | Key Biscayne | Florida Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 87.2 | 77.2 | 78.3 |
| Self-rated poor health | 10.6% | 19.5% | 16.3% |
| Smokers | 7.3% | 21.3% | 19.0% |
Frequently Asked Questions
Common questions about Key Biscayne, Florida.
What is the population of Key Biscayne, Florida?
The population of Key Biscayne, Florida is 10,942, compared to the U.S. total of 334,821,731.
What is the population density of Key Biscayne, Florida?
The population density of Key Biscayne, Florida is 6405.8 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Key Biscayne, Florida?
The median household income in Key Biscayne, Florida is $147,932, compared to the U.S. median of $78,145.
What is the median home price in Key Biscayne, Florida?
The median home price in Key Biscayne, Florida is $2,000,000, compared to the U.S. median of $242,182.
What is the unemployment rate in Key Biscayne, Florida?
The unemployment rate in Key Biscayne, Florida is 3.8%, compared to the U.S. average of 5.2%.