Miami Beach, FL vs Key Biscayne, FL

Side-by-side comparison from the latest government data.

MetricMiami Beach, FLKey Biscayne, FL
Population82,03114,791
Median Household Income$72,856$181,505
Median Rent$1,826/mo$3,500+/mo
Median Home Value$556,700$1,575,300
Cost of Living (US = 100)114114
Renters Paying 30%+ of Income57.9%63.3%
Poverty Rate14.4%5.5%
Unemployment Rate2.3%2.7% (county)
Violent Crime Rate /100k1,07456
Property Crime Rate /100k8,575776
Median AQI4747
Good AQI Days /yr206206
Summer Highs87°F91°F
Winter Lows63°F65°F
Snowfall0 in/yr0 in/yr
Avg Commute26.7 min23.7 min
Hospitals1—
Avg Hospital Rating3.0 / 5—
Students per Teacher2017.9
College Degree Rate52.9%77.2%
Foreign-Born %52.9%58.1%
Population Growth (2020–2025)-1.6%+0.1%

Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.
The Census tops out at $3,500+ for rent; it doesn't publish exact figures above that. Two capped values can't be compared, so neither is marked better.