Key Biscayne is a city located in Miami-Dade County Florida. With a 2023 population of 15,547, it is the 246th largest city in Florida and the 2892nd largest city in the United States.Key Biscayne is currently growing at a rate of 1.61% annually and its population has increased by 4.98% since the most recent census, which recorded a population of 14,809 in 2020. Spanning over 2 miles, Key Biscayne has a population density of 12,465 people per square mile.
The average household income in Key Biscayne is $226,086 with a poverty rate of 8.25%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Key Biscayne is 41.3 years, 37.2 years for males, and 43.5 years for females.
According to the most recent ACS, the racial composition of Key Biscayne was:
White
Two or more races
Other race
Asian
Native Hawaiian or Pacific Islander
Black or African American
Native American
3.57
Average Family Size
3.17
Average Household Size
69.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among islander people with a rate of 100%.
All
Male
Female
$70,709
Average Earnings
$123,688
Average Male
$42,883
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
17.21% of Key Biscayne residents speak only English, while 82.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 72.93% of the population.
rate
8.25%
Overall Poverty Rate
3.45%
Male Poverty Rate
8.6%
Female Poverty Rate
The race most likely to be in poverty in Key Biscayne is Other, with 22.03% below the poverty level.
The race least likely to be in poverty in Key Biscayne is White, with 5.51% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.24%. Among those working part-time, it was 8.05%, and for those that did not work, the poverty rate was 10.48%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
60.9%
Overall Marriage Rate
65.8%
Male Marriage Rate
56.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
221
Number of Veterans
221
Male Veterans
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
33.03%
Veteran Disability Rate
LaborForceParticipation
60.2%
Labor Force Participation
57.5%
Employment Rate
4.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
22.69%
Born in Key Biscayne
39.27%
Native Born
47.62%
Foreign Born
27.62%
Non Citizen
20%
Naturalized
39.27% of Key Biscayne residents were born in the United States, with 22.69% having been born in Florida. 27.62% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.