Key Biscayne is a village located in Miami-Dade County Florida. Key Biscayne has a 2024 population of 14,303. Key Biscayne is currently declining at a rate of -0.77% annually and its population has decreased by -3% since the most recent census, which recorded a population of 14,745 in 2020.
The average household income in Key Biscayne is $264,913 with a poverty rate of 8.37%. The median age in Key Biscayne is 42.3 years: 37.1 years for males, and 45.5 years for females.
According to the most recent ACS, the racial composition of Key Biscayne was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 7,965 | 54.66% |
| Two or more races | 6,099 | 41.85% |
| Other race | 368 | 2.53% |
| Black or African American | 91 | 0.62% |
| Asian | 35 | 0.24% |
| Native Hawaiian or Pacific Islander | 14 | 0.1% |
| Native American | 0 | 0% |
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 | 4,658 | 3.13 | 64.9 | 35.1 |
| Married | 3,084 | 3.82 | 66.7 | 33.3 |
| Non Family | 985 | 1.14 | 70.9 | 29.1 |
| Female | 526 | 2.78 | 42.6 | 57.4 |
| Male | 63 | 3.05 | 73 | 27 |
3.53
Average Family Size
3.13
Average Household Size
64.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 60 | 0.66% |
| Associates Degree | 448 | 4.95% |
| Bachelors Degree | 3,272 | 36.15% |
| Graduate Degree | 3,376 | 37.3% |
| High School Graduate | 774 | 8.55% |
| Less Than 9th Grade | 218 | 2.41% |
| Some College | 904 | 9.99% |
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
Race | Total | High School | Bachelors |
|---|---|---|---|
| Hispanic | 6,504 | 6,260 | 4,714 |
| 2+ Races | 3,562 | 3,356 | 2,687 |
| White | 2,299 | 2,265 | 1,786 |
| Other Race | 244 | 217 | 117 |
| Black | 48 | 48 | 15 |
| Asian | 29 | 29 | 6 |
| Islander | 14 | 14 | 14 |
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
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $83,281 | $160,833 | $52,733 |
| Graduate Degree | $129,522 | $213,235 | $73,906 |
| High School Graduate | $0 | $64,808 | $0 |
| Less Than 9th Grade | $65,471 | $65,673 | $65,446 |
| Overall | $78,946 | $154,500 | $52,500 |
| Some College | $45,375 | $92,583 | $25,573 |
$78,946
Average Earnings
$154,500
Average Male
$52,500
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
17.02% of Key Biscayne residents speak only English, while 82.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 74.07% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 10,932 | 908 | 8.31% |
| Multiple | 6,099 | 550 | 9.02% |
| White | 3,178 | 235 | 7.39% |
| Other | 368 | 34 | 9.24% |
8.37%
Overall Poverty Rate
6.72%
Male Poverty Rate
9.99%
Female Poverty Rate
The race most likely to be in poverty in Key Biscayne is Other, with 9.24% below the poverty level.
The race least likely to be in poverty in Key Biscayne is White, with 7.39% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.46%. Among those working part-time, it was 12.6%, and for those that did not work, the poverty rate was 13.27%.
rate
Rate | Poverty |
|---|---|
| High School | 31.91% |
| Less Than 9th Grade | 14.03% |
| Some College | 10.8% |
| Bachelors or Greater | 5.54% |
rate
Rate | Poverty |
|---|---|
| Male Unemployed | 25% |
| Female Unemployed | 20.98% |
| Female Employed | 6.1% |
| Male Employed | 2.82% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $219,112 | $297,011 |
| Households | $173,015 | $264,913 |
| Married Families | $250,001 | $-999,999,999 |
| Non Families | $66,862 | $130,820 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
58.1%
Overall Marriage Rate
64.2%
Male Marriage Rate
52.9%
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
146
Number of Veterans
146
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 69 |
| Korea | 20 |
| First Gulf War | 18 |
| World War II | 9 |
| Second Gulf War | 2 |
count
Age Group | Veterans |
|---|---|
| 75+ | 71 |
| 65 to 74 | 55 |
| 35 to 54 | 20 |
| 18 to 34 | 0 |
| 55 to 64 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 124 | 2.19% |
| Hispanic | 55 | 0.75% |
| 2+ Races | 22 | 0.56% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
32.88%
Veteran Disability Rate
LaborForceParticipation
57.4%
Labor Force Participation
55%
Employment Rate
4.1%
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
24.39%
Born in Key Biscayne
42.81%
Native Born
57.19%
Foreign Born
32.15%
Non Citizen
25.04%
Naturalized
42.81% of Key Biscayne residents were born in the United States, with 24.39% having been born in Florida. 32.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 13,751 | -111 | -0.8% |
| 2028 | 13,862 | -110 | -0.79% |
| 2027 | 13,972 | -110 | -0.78% |
| 2026 | 14,082 | -111 | -0.78% |
| 2025 | 14,193 | -110 | -0.77% |
| 2024 | 14,303 | -111 | -0.77% |
| 2023 | 14,414 | -17 | -0.12% |
| 2022 | 14,431 | -93 | -0.64% |
| 2021 | 14,524 | -221 | -1.5% |
| 2020 | 14,745 | 1,926 | 15.02% |
| 2019 | 12,819 | -85 | -0.66% |
| 2018 | 12,904 | -72 | -0.55% |
| 2017 | 12,976 | 65 | 0.5% |
| 2016 | 12,911 | 86 | 0.67% |
| 2015 | 12,825 | 43 | 0.34% |
| 2014 | 12,782 | 7 | 0.05% |
| 2013 | 12,775 | 96 | 0.76% |
| 2012 | 12,679 | 133 | 1.06% |
| 2011 | 12,546 | 157 | 1.27% |
| 2010 | 12,389 | 0 | 0% |
| 2000 | 10,507 | -3,244 | -23.59% |