The Key Biscayne CCD is a subdivision of the Miami-Dade County, in the state of Florida.
This subdivision represents an area of 41 square miles - 36 square miles are water areas.
There are 2 cities, towns or villages in the Key Biscayne CCD subdivision - their combined population count is 12.358.
Approximatelly 31 people live in “Remainders” areas, that are officially not part of any city or town.
Total population of the subdivision is 12.389.
Racial makeup of this subdivision is as follows : White (95.95%),
followed by Two or More races (1.21%) and Some Other Race (1.17%).
Median age for the male population is 42 and 42 for the female part.
Statistical data for the Key Biscayne CCD based on the 2010 U.S. Census