Key Biscayne Real EstateThe median home value in Key Biscayne, FL is $1,222,500. This is higher than the county median home value of $305,200. The national median home value is $219,700. The average price of homes sold in Key Biscayne, FL is $1,222,500. Approximately 43.81% of Key Biscayne homes are owned, compared to 16.43% rented, while 39.76% are vacant. Key Biscayne real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a Key Biscayne real estate agent to arrange a tour today! Key Biscayne, Florida has a population of 13,074. Key Biscayne is more family-centric than the surrounding county with 42.84% of the households containing married families with children. The county average for households married with children is 28.46%. The median household income in Key Biscayne, Florida is $128,563. The median household income for the surrounding county is $46,338 compared to the national median of $57,652. The median age of people living in Key Biscayne is 42.8 years. Key Biscayne WeatherThe average high temperature in July is 88.6 degrees, with an average low temperature in January of 61.7 degrees. The average rainfall is approximately 60.8 inches per year, with 0 inches of snow per year. Nearby Homes for Sale |