Florida · Metropolitan Area
Key Biscayne is a small city in Florida with a population of 14,560. Residents earn $172,604 per year, which is 130% above the national average.
Based on current data, Key Biscayne receives an overall livability score of 3.4 out of 5.0, earning a grade of B. Key strengths include above-average household incomes, low unemployment, low crime rates, a highly educated population. Areas to be aware of include high housing costs. Key Biscayne offers a solid quality of life with a good balance of affordability, safety, and opportunity.
The median household income in Key Biscayne is $172,604, which is significantly higher than the national average — 130% above $75,149. This places Key Biscayne among higher-income communities. The job market is very strong with unemployment at just 2.0%. Only 6.7% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 24 minutes.
The median home value in Key Biscayne is $1,238,700, making it a premium housing market at 339% above the U.S. median of $281,900. Renters pay a median of $3,501 per month, significantly above the national average of $1,163. With a home price-to-income ratio of 7.2x, housing affordability is a significant challenge for many families.
Key Biscayne is a very safe community with a violent crime rate of 15 per 100,000 residents — well below the national average of 380. Property crime occurs at a rate of 1,622 per 100,000, near the national average.
Key Biscayne is a highly educated community — 74.4% of adults hold a bachelor's degree or higher, well above the national average of 33.7%. 96.4% have completed high school. Area schools have an average test score of 5.6/10.
Key Biscayne has a warm climate with an average annual temperature of 79°F. Winters average 70°F in January while summers reach 85°F in July. Annual precipitation totals 55.3 inches. Air quality is rated Good with a median AQI of 41.
| English Only | 17.0% |
| 78% below US avg | |
| Spanish | 83.0% |
| 519% above US avg |
| Median HH Income | $172,604 |
| 130% above US avg | |
| Per Capita Income | $97,329 |
| Avg Weekly Wage | $1,492 |
| IRS Avg AGI | $111,222 |
| Unemployment | 2.0% |
| 44% below US avg | |
| Poverty Rate | 6.7% |
| 46% below US avg | |
| Establishments (County) | 123,309 |
| County GDP | $260,837M |
| Restaurants | 6,356 |
| Healthcare | 11,061 |
| Retail | 10,749 |
| Manufacturing | 2,137 |
| Property Tax (IRS) | $12,130 |
| 247% above US avg | |
| Effective Tax Rate | 0.98% |
| Commute Time | 23.8 min |
| Work from Home | 31.9% |
| Census Median | $1,238,700 |
| 339% above US avg | |
| Zillow ZHVI | $1,644,950 |
| Median List Price | $2,045,000 |
| Median List Price | $2,045,000 |
| $/Sq Ft | $925 |
| Homes Sold | 17 |
| Sale-to-List Ratio | 94.2% |
| Price Drops | 13.7% |
| Inventory | 131 |
| Census Median Rent | $3,501 |
| 201% above US avg | |
| Zillow Rent (ZORI) | $7,636 |
| Studio | $1,212 |
| 1 Bedroom | $1,296 |
| 2 Bedrooms | $1,526 |
| 3 Bedrooms | $1,971 |
| 4 Bedrooms | $2,261 |
| Owner-Occupied | 69.3% |
| Avg Tax (IRS) | $12,130 |
| 247% above US avg | |
| Effective Rate | 0.98% |
| Obesity | 23.1% |
| 28% below US avg | |
| Diabetes | 8.7% |
| Heart Disease | 4.1% |
| High Blood Pressure | 23.9% |
| Asthma | 7.8% |
| COPD | 2.8% |
| Stroke | 1.9% |
| Binge Drinking | 18.1% |
| Physical Inactivity | 18.7% |
| Depression | 13.7% |
| Mental Distress | 11.9% |
| Physical Distress | 9.3% |
| Insurance Rate | 96.7% |
| Checkup Rate | 75.1% |
| Premature Death | 6,314/100K |
| Food Environment | 8.3/10 |
| Exercise Access | 98.5% |
| Healthcare Facilities | 11,061 |
| Total Violent | 15.5/100K |
| 96% below US avg | |
| Murder | 0.0/100K |
| 100% below US avg | |
| Rape | 0.0/100K |
| Robbery | 0.0/100K |
| Assault | 15.5/100K |
| Total Property | 1,622.1/100K |
| 17% below US avg | |
| Burglary | 61.8/100K |
| Theft | 1,475.4/100K |
| Vehicle Theft | 85.0/100K |
| Arson | 0.0/100K |
| Fatal Crashes (County/yr) | 290 |
| Safety Grade | F |
| Safety Score | 1.0 / 5.0 |
| Annual Average | 78.7°F |
| 46% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 85°F (29°C) |
| Annual Rainfall | 55.3 inches |
| 46% above US avg | |
| Snowfall | 0.0 inches/yr |
| AQI Median | 41.0 |
| Rating | Good |
| Elevation | 4 ft (1 m) |
| Area | 1.3 sq mi (3.2 km²) |
| Population Density | 11,648/sq mi |
| Coordinates | 25.6907°N, 80.1656°W |
| County FIPS | 12086 |
Winner: Republican by 11.5 points
| Bachelor's Degree+ | 74.4% |
| 121% above US avg | |
| High School+ | 96.4% |
| School Test Score | 5.60 |
| RUCC Code 1 | Metro — 1 million+ |
| Population Density | 11,648/sq mi |
| Total Area | 1.3 sq mi |
| EV Charging Stations | 11 |
| Alt Fuel Stations | 11 |
| Public Libraries | 63 |
| Healthcare Facilities | 11,061 |
| Restaurants | 6,356 |
| Retail Stores | 10,749 |
| Fatal Crashes (County/yr) | 290 |
| Avg Commute | 23.8 min |
| Work from Home | 31.9% |