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CITY · 2020 ACS

Key Biscayne

Florida · 14,809 residents · 1.247 sq mi
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The short version

Key Biscayne is significantly wealthier than the US average, with a median household income of $166,667. Population has grown 41% since 2000. 74% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than tripled since 2000, reaching $1,430,100. Poverty is rare here, at 6.1% of residents. Households here earn about 189% more than the Florida median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.4
US median: 38.8
More educated
74% hold a bachelor's degree
US average: 33%
Less affordable
home values up 144%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
14,809
+41%since 2000
from 10,507 in 2000
1990 – 2025
Population density
11,876 / sq mi
+41%since 2000
from 8,426 / sq mi in 2000
US average: 280
Median age
43.4
+8%since 2000
from 40.1 in 2000
US average: 38.8
Population, 1990 – 2024
8K10K12K14K15K1990201020202024Key Biscayne
202415K
1990201020202024
Section 02

Income & economy

Median household income
$166,667
+28%inflation adjusted, since 2000
from $86,599 in 2000
US average: $66,278
1990 – 2024
Per capita income
$78,732
+45%since 2000
from $54,213 in 2000
US average: $35,364
Households earning $100K+
73.5%
+10.0 ptssince 2009
from 63.5% in 2009
US average: 43.9%
Poverty rate
6.1%
−2.2 ptssince 2000
from 8.3% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services28.5%
US avg: 6.6%
Public administration14.6%
US avg: 4.7%
Arts, entertainment, food4.9%
US avg: 2%
Information4.7%
US avg: 11.1%
Transportation & warehousing4.5%
US avg: 2.5%
Wholesale trade4%
US avg: 6.7%
Finance & insurance2.6%
US avg: 5.5%
Retail trade2.5%
US avg: 10%
Professional, scientific, technical2.4%
US avg: 4.7%
Agriculture, forestry, fishing0.2%
US avg: 1.7%
Construction0.2%
US avg: 1.2%
Education & health services0.2%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$1,430,100
+144%inflation adjusted, since 2000
from $390,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$2,584
+3%inflation adjusted, since 2000
from $1,674 in 2000
US average: $1,124
Owner-occupied
66.4%
−4.4 ptssince 2000
from 70.8% in 2000
33.6% rent
Afford Score
8.6
+90%since 2000
from 4.5 in 2000
1990 – 2024
RELATED:See current rent listings in Key Biscayne on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic48.1%(5,058)
Black0.3%(28)
Hispanic / Latino49.8%(5,231)
Asian0.9%(93)
Other0%
Diversity Score63.9%(6,716)
2020
White, non-Hispanic26.9%(3,979)
Black0.2%(27)
Hispanic / Latino66.8%(9,888)
Asian0.7%(106)
Other0.9%(134)
Diversity Score53.9%(7,981)
Diversity Score
54
−16%since 2000
from 64 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
73.7%
+8.8 ptssince 2000
from 64.9% in 2000
US average: 32.9%
High school or higher
97.3%
+2.3 ptssince 2000
from 95.0% in 2000
US average: 88.5%
Graduate degree
35.7%
+4.4 ptssince 2000
from 31.4% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
27.1 min
+82%since 2000
from 14.8 min in 2000
US average: 26.9
Drive alone to work
70.1%
−4.0 ptssince 2009
from 74.0% in 2009
US average: 75.1%
No vehicle available
3.2%
−2.2 ptssince 2009
from 5.3% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
4.6%
+1.5 ptssince 2011
from 3.0% in 2011
US average: 5.4%
Labor force participation
60.2%
+3.6 ptssince 2011
from 56.6% in 2011
US average: 63.4%
Management & professional
60.9%
−22.3 ptssince 2009
from 83.2% in 2009
US average: 39.3%
Section 08

People & community

Male
48.5%
+1.1 ptssince 2009
from 47.4% in 2009
Female
51.5%
−1.1 ptssince 2009
from 52.6% in 2009
Foreign born
54.8%
+4.7 ptssince 2009
from 50.1% in 2009
US average: 13.5%
Uninsured
3.9%
−91.6 ptssince 2013
from 95.5% in 2013
US average: 8.8%
Drill deeper

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Head to head

Compare Key Biscayne to nearby cities

KEY BISCAYNE VS
Coral Gables
Income$134,216−19%
Home value$1,089,900−24%
Population49,578+235%
SEE FULL COMPARISON →
KEY BISCAYNE VS
Miami
Income$62,462−63%
Home value$518,100−64%
Population489,812+3206%
SEE FULL COMPARISON →
KEY BISCAYNE VS
South Miami
Income$94,507−43%
Home value$829,400−42%
Population13,660−8%
SEE FULL COMPARISON →
KEY BISCAYNE VS
Miami Beach
Income$72,856−56%
Home value$556,700−61%
Population81,594+451%
SEE FULL COMPARISON →
Frequently asked

How many people live in Key Biscayne, Florida?

Key Biscayne, Florida has about 14,809 residents according to the 2020 American Community Survey.

What is the median household income in Key Biscayne, Florida?

The typical household in Key Biscayne, Florida earns about $166,667 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 $1,430,100, and the typical rent is about $2,584 a month.

How educated are people in Key Biscayne, Florida?

About 73.7% 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 6.1% 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 5,955 residents, a change of about 67 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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