Key Biscayne is a city located in Miami-Dade County Florida. Key Biscayne has a 2023 population of 14,028. Key Biscayne is currently declining at a rate of -1.6% annually and its population has decreased by -4.71% since the most recent census, which recorded a population of 14,722 in 2020.
The average household income in Key Biscayne is $245,008 with a poverty rate of 7.56%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Key Biscayne is 41.7 years, 37.9 years for males, and 44.2 years for females.
According to the most recent ACS, the racial composition of Key Biscayne was:
White
Two or more races
Other race
Black or African American
Asian
Native Hawaiian or Pacific Islander
Native American
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 4,580 | 3.17 | 69.1 | 30.9 |
| Married | 3,069 | 3.88 | 70.3 | 29.7 |
| Non Family | 996 | 1.09 | 71.9 | 28.1 |
| Female | 447 | 2.94 | 53.5 | 46.5 |
| Male | 68 | 3.38 | 75 | 25 |
3.59
Average Family Size
3.17
Average Household Size
69.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
16.93% of Key Biscayne residents speak only English, while 83.07% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 73.97% of the population.
rate
7.56%
Overall Poverty Rate
6.13%
Male Poverty Rate
8.91%
Female Poverty Rate
The race most likely to be in poverty in Key Biscayne is Other, with 16.36% below the poverty level.
The race least likely to be in poverty in Key Biscayne is White, with 6.69% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.21%. Among those working part-time, it was 10.04%, and for those that did not work, the poverty rate was 12.8%.
Married
Widowed
Divorced
Separated
NeverMarried
58.7%
Overall Marriage Rate
63.5%
Male Marriage Rate
54.4%
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
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
Veteran Poverty Rate
32.47%
Veteran Disability Rate
LaborForceParticipation
59.5%
Labor Force Participation
57.1%
Employment Rate
3.9%
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
25.26%
Born in Key Biscayne
42.97%
Native Born
57.03%
Foreign Born
32.85%
Non Citizen
24.18%
Naturalized
42.97% of Key Biscayne residents were born in the United States, with 25.26% having been born in Florida. 32.85% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2000 | 10,507 | -2,230 | 0.67% |
| 2010 | 12,344 | ||
| 2011 | 12,590 | 246 | 1.99% |
| 2012 | 12,836 | 246 | 1.95% |
| 2013 | 13,082 | 246 | 1.92% |
| 2014 | 13,328 | 246 | 1.88% |
| 2015 | 13,574 | 246 | 1.85% |
| 2016 | 13,820 | 246 | 1.81% |
| 2017 | 14,066 | 246 | 1.78% |
| 2018 | 14,312 | 246 | 1.75% |
| 2019 | 14,558 | 246 | 1.72% |
| 2020 | 14,722 | 164 | 1.13% |
| 2021 | 14,487 | -235 | -1.6% |
| 2022 | 14,256 | -231 | -1.59% |
| 2023 | 14,028 | -228 | -1.6% |
| 2024 | 13,804 | -224 | -1.6% |
| 2025 | 13,584 | -220 | -1.59% |
| 2026 | 13,367 | -217 | -1.6% |
| 2027 | 13,154 | -213 | -1.59% |
| 2028 | 12,944 | -210 | -1.6% |
| 2029 | 12,737 | -207 | -1.6% |