Is Key Biscayne, FL a Good Place to Live?
Key Biscayne is a small city of 14,572 in Florida, with a median household income of $173,015 and a 4.1% unemployment rate. Its cost of living index is 112 (US average = 100), which is 12% above the national average.
Strengths: Key Biscayne stands out for lower-than-average crime, solid school ratings (A-), a well-educated population, short average commutes.
Trade-offs: Potential downsides include an above-average cost of living, high home prices. Whether Key Biscayne is right for you depends on your priorities — the full breakdown is below.
All Key Biscayne city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.
Cost of Living
Index: 111.8Key Biscayne's overall cost of living index is 111.8, where 100 represents the US national average. Living in Key Biscayne costs roughly 12% more than the average American city.
| Metric | Key Biscayne, FL | National Avg |
|---|---|---|
| Median Home Value | $1,331,900 | $244,900 |
| Median Monthly Rent | $3,501 | $1,163 |
| Homeownership Rate | 64.9% | 65.9% |
| Median Household Income | $173,015 | $74,755 |
Crime & Safety
Very SafeKey Biscayne's violent crime rate is 55.9 per 100,000 residents — 85% lower than the national average of ~380 per 100,000.
Vertical marker = national average. Source: FBI UCR Program.
Schools & Education
Key Biscayne is served primarily by MIAMI-DADE. The student-to-teacher ratio is 19.4:1 (slightly above the national average of ~16:1).
| Metric | Key Biscayne, FL | National Avg |
|---|---|---|
| School District | MIAMI-DADE | — |
| Elementary Schools | 288 | — |
| Middle Schools | 77 | — |
| High Schools | 130 | — |
| Student/Teacher Ratio | 19.4:1 | 16:1 |
| Bachelor's Degree or Higher | 73.4% | 35.4% |
| High School Diploma or Higher | 96.9% | 91.1% |
Weather & Climate
Key Biscayne sees average highs of 77.5°F in January and 90.8°F in July, with 55.3 inches of annual precipitation .
| Metric | Key Biscayne, FL |
|---|---|
| Average High — January | 77.5°F |
| Average High — July | 90.8°F |
| Annual Precipitation | 55.3" |
| Annual Snowfall | Trace / None |
Demographics
| Metric | Key Biscayne, FL | National Avg |
|---|---|---|
| Population | 14,572 | — |
| Median Age | 42.3 | 38.9 |
| Unemployment Rate | 4.1% | 3.7% |
| Avg Commute Time | 24.1 min | 26 min |
| White (non-Hispanic) | 54.7% | 59.3% |
| Black or African American | 0.6% | 13.6% |
| Hispanic or Latino | 42.9% | 18.9% |
| Asian | 0.2% | 6.3% |
| Under 18 | 31.4% | 22.2% |
| 65 and over | 15.5% | 16.8% |