United States › Florida › Key Biscayne CITY
Key Biscayne Florida · 14,815 residents (2025 est.) · 1.25 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
With 14,791 people, Key Biscayne is a city in Florida. Households here earn about 143% more than in Florida as a whole. This is an unusually credentialed place: 77% of adults have a four-year degree. The typical home is worth $1,575,300, having more than tripled since 2000. The foreign-born share is 58%. Median rent is $3,500+ a month.
At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 42.2
US median: 38.9
More educated
77% hold a bachelor's degree
US average: 36%
Less affordable
home values up 122%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 10,507 in 2000
14,815 in 2025 (Census Bureau estimate)
11,861 / sq mi
+47%since 2009
from 8,093 / sq mi in 2009
US average: 281
from 40.1 in 2000
US average: 38.9
Population, 1990 – 2024
8K 10K 12K 14K 15K 1990 2000 2010 2020 2024 Key Biscayne Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $181,505
+15%inflation adjusted, since 2000
from $86,599 in 2000
US average: $82,259
from $54,213 in 2000
US average: $44,673
Households earning $100K+
from 63.5% in 2009
US average: 53.3%
from 8.3% in 2000
US average: 12.5%
from 0.560 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 19.3%
Arts, entertainment, food 5.4%
Transportation & warehousing 3.7%
Professional, scientific, technical 2.9%
Education & health services 0%
Agriculture, forestry, fishing 0%
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$1,575,300
+122%inflation adjusted, since 2000
from $390,400 in 2000
US average: $376,019
$3,501
+15%inflation adjusted, since 2000
from $1,674 in 2000
US average: $1,442
from 70.8% in 2000
33.4% rent
from 35.9% in 2009
US average: 10.0%
2.99 people
+15%since 2009
from 2.61 people in 2009
US average: 2.54
from 43.3% in 2009
US average: 22.9%
from 43.3% in 2009
US average: 47.4%
from 7.9 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 48.1%(5,058)
Hispanic / Latino 49.8%(5,231)
2024
White, non-Hispanic 23.5%(3,475)
Hispanic / Latino 70.3%(10,398)
from 64 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 7 more hispanic origin groups with data Ancestry
+ 21 more ancestry groups with data from 64.9% in 2000
US average: 35.6%
High school or higher
from 95.0% in 2000
US average: 89.6%
from 31.4% in 2000
US average: 14.0%
Section 06
Commute & transportation from 14.8 min in 2000
US average: 26.5
from 74.0% in 2009
US average: 68.9%
from 3.0% in 2009
US average: 8.5%
from 0.6% in 2009
US average: 3.2%
from 12.6% in 2009
US average: 15.0%
from 2.4% in 2009
US average: 2.4%
from 1.3% in 2009
US average: 0.4%
from 5.3% in 2009
US average: 8.3%
Section 07
Work & employment from 3.0% in 2011
US average: 5.2%
from 56.6% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 63.0% in 2020
US average: 74.6%
from 6.6% in 2009
US average: 13.1%
from 60.8% in 2009
US average: 42.5%
Section 08
People & community from 50.1% in 2009
US average: 14.1%
from 7.7% in 2009
US average: 6.2%
from 4.0% in 2012
US average: 13.3%
from 4.5% in 2013
US average: 8.4%
from 89.9% in 2017
US average: 91.0%
Computer in household
from 99.1% in 2020
US average: 95.5%
from 83.8% in 2020
US average: 87.7%
from 27.4% in 2016
US average: 77.7%
from 63.6% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 28.2%(1,458)
Women 15+
Never married 24.4%(1,453)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 4.5% in 2013
US average: 8.4%
from 53.3% in 2020
US average: 54.8%
Direct-purchase
from 37.7% in 2020
US average: 13.8%
from 13.3% in 2020
US average: 18.4%
from 2.2% in 2020
US average: 20.9%
VA health care
from 0.6% in 2020
US average: 2.2%
Any private
from 88.9% in 2020
US average: 67.1%
Any public
from 14.7% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 21.8%(32)
Share of the 147 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Key Biscayne Head to head
Compare Key Biscayne to nearby cities KEY BISCAYNE VS
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KEY BISCAYNE VS
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Frequently asked
How many people live in Key Biscayne, Florida? Key Biscayne, Florida has about 14,791 residents according to the 2024 American Community Survey.
What is the median household income in Key Biscayne, Florida? The typical household in Key Biscayne, Florida earns about $181,505 a year. Half of households make more than that, and half make less.
Is Key Biscayne, Florida expensive? In Key Biscayne, Florida, the median home is worth about $1,575,300, and the typical rent is about $3,501 a month.
How educated are people in Key Biscayne, Florida? About 77.2% of adults age 25 and over in Key Biscayne, Florida hold a bachelor's degree or higher.
What is the poverty rate in Key Biscayne, Florida? About 5.5% of people in Key Biscayne, Florida live below the federal poverty line.
Has Key Biscayne, Florida grown since 1990? Yes, Key Biscayne, Florida has grown since 1990. The population has added about 5,937 residents, a change of about 67 percent over that period.
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