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CITY · 2010 ACS

Key Biscayne

Florida · 12,344 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 $104,554. Population has grown 17% since 2000. 75% of adults hold a bachelor's degree or higher, well above the national rate of 28%. Median home value has more than doubled since 2000, reaching $902,700. Households here earn about 119% more than the Florida median.

At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 41.8
US median: 37.2
More educated
75% hold a bachelor's degree
US average: 28%
Less affordable
home values up 83%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
12,344
+17%since 2000
from 10,507 in 2000
1990 – 2025
Population density
9,899 / sq mi
+17%since 2000
from 8,426 / sq mi in 2000
US average: 261
Median age
41.8
+4%since 2000
from 40.1 in 2000
US average: 37.2
Population, 1990 – 2024
8K10K12K14K15K1990201020202024Key Biscayne
202415K
1990201020202024
Section 02

Income & economy

Median household income
$104,554
−5%inflation adjusted, since 2000
from $86,599 in 2000
US average: $52,703
1990 – 2024
Per capita income
$64,401
+19%since 2000
from $54,213 in 2000
US average: $27,286
Households earning $100K+
65.4%
+1.9 ptssince 2009
from 63.5% in 2009
US average: 33.3%
Poverty rate
7.8%
−0.4 ptssince 2000
from 8.3% in 2000
US average: 13.8%
Income inequality (Gini)
0.560
US average: 0.461
Workforce by industry, 2010
Other services23.5%
US avg: 7%
Public administration14.9%
US avg: 4.9%
Information7.9%
US avg: 11.5%
Transportation & warehousing7.3%
US avg: 3.1%
Retail trade6.1%
US avg: 10.9%
Wholesale trade4.2%
US avg: 7.2%
Arts, entertainment, food2.9%
US avg: 2.4%
Finance & insurance2.6%
US avg: 5.1%
Professional, scientific, technical2.6%
US avg: 4.2%
Agriculture, forestry, fishing0.2%
US avg: 1.9%
Construction0.2%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
Education & health services0%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$902,700
+83%inflation adjusted, since 2000
from $390,400 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$2,001
−6%inflation adjusted, since 2000
from $1,674 in 2000
US average: $853
Owner-occupied
40.2%
−30.7 ptssince 2000
from 70.8% in 2000
31.0% rent
Vacancy rate
37.9%
+1.9 ptssince 2009
from 35.9% in 2009
US average: 12.1%
Owner cost-burdened
45.7%
+2.3 ptssince 2009
from 43.3% in 2009
US average: 30.9%
Renter cost-burdened
43.2%
−0.1 ptssince 2009
from 43.3% in 2009
US average: 46.8%
Afford Score
8.6
+92%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)
2010
White, non-Hispanic36.5%(4,503)
Black0.3%(33)
Hispanic / Latino61.6%(7,602)
Asian1%(127)
Other0.6%(71)
Diversity Score60.9%(7,512)
Diversity Score
61
−5%since 2000
from 64 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
74.7%
+9.8 ptssince 2000
from 64.9% in 2000
US average: 27.9%
High school or higher
97.5%
+2.5 ptssince 2000
from 95.0% in 2000
US average: 84.9%
Graduate degree
29.6%
−1.8 ptssince 2000
from 31.4% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
21.0 min
+42%since 2000
from 14.8 min in 2000
US average: 25.2
Drive alone to work
72.0%
−2.0 ptssince 2009
from 74.0% in 2009
US average: 76.2%
Carpooled to work
4.8%
+1.8 ptssince 2009
from 3.0% in 2009
US average: 10.4%
Public transit
0.7%
+0.1 ptssince 2009
from 0.6% in 2009
US average: 4.7%
Worked from home
12.6%
−0.1 ptssince 2009
from 12.6% in 2009
US average: 4.1%
Walked to work
3.0%
+0.6 ptssince 2009
from 2.4% in 2009
US average: 2.8%
Biked to work
1.1%
−0.2 ptssince 2009
from 1.3% in 2009
US average: 0.5%
No vehicle available
4.1%
−1.3 ptssince 2009
from 5.3% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
7.0%
+0.4 ptssince 2009
from 6.6% in 2009
US average: 12.9%
Management & professional
65.1%
−18.1 ptssince 2009
from 83.2% in 2009
US average: 35.2%
Section 08

People & community

Male
47.4%
Unchangedsince 2009
from 47.4% in 2009
Female
52.6%
Unchangedsince 2009
from 52.6% in 2009
Foreign born
50.7%
+0.5 ptssince 2009
from 50.1% in 2009
US average: 12.8%
Veterans
6.2%
−39.5 ptssince 2009
from 45.7% in 2009
US average: 9.9%
Drill deeper

Places similar to Key Biscayne

Lake Butler
Pop 17,125
Hockessin
Pop 13,439
Pinecrest
Pop 18,635
Palm Beach
Pop 9,423
Places similar to Key Biscayne
Head to head

Compare Key Biscayne to nearby cities

KEY BISCAYNE VS
Coral Gables
Income$134,216+28%
Home value$1,089,900+21%
Population49,578+235%
SEE FULL COMPARISON →
KEY BISCAYNE VS
Miami
Income$62,462−40%
Home value$518,100−43%
Population489,812+3206%
SEE FULL COMPARISON →
KEY BISCAYNE VS
South Miami
Income$94,507−10%
Home value$829,400−8%
Population13,660−8%
SEE FULL COMPARISON →
KEY BISCAYNE VS
Miami Beach
Income$72,856−30%
Home value$556,700−38%
Population81,594+451%
SEE FULL COMPARISON →
Frequently asked

How many people live in Key Biscayne, Florida?

Key Biscayne, Florida has about 12,344 residents according to the 2010 American Community Survey.

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

The typical household in Key Biscayne, Florida earns about $104,554 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 $902,700, and the typical rent is about $2,001 a month.

How educated are people in Key Biscayne, Florida?

About 74.7% 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 7.8% 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 3,490 residents, a change of about 39 percent over that period.

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

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