Key Biscayne, Florida Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Key Biscayne, Florida is 14,560 as of the 2023 American Community Survey, making it the 264th-largest city in Florida. The median household income is $172,604, the median home value is $1,238,700, and the median age is 43.1.
The population has grown 22.0% since 2010 (12,389 → 15,111).
14,560
Population
11676
People / sq mi
$172,604
Median Income
$1,238,700
Median Home Value
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Key Biscayne covers 1.2 sq mi of land at 11676 people per square mile.
About Key Biscayne, FL
In Key Biscayne, home values do the distinguishing — a median of $1,238,700. With 14,560 residents, Key Biscayne is a city in Florida.
Earnings sit at the high end: a median household income of $172,604, above the US median of $78,538. The poverty rate is 6.7%, below the national 12.4%. Home prices are steep, with the typical property valued at $1,238,700, with typical rent around $3,501.
Degree attainment is near the top of the range for US cities: 74.4% of adults 25+ hold a bachelor’s, above the 35.0% national rate. Remote work is widespread — 31.9% of workers stay home, above the national 14.0%, and the average commute runs about 24 minutes each way.
High housing values reframe the income picture in Key Biscayne — even solid earnings stretch less against home prices and rents at this level.
Key Biscayne village Population History (2010-2024)
The city of Key Biscayne village had a population of 12,389 in 2010 and 15,111 in 2024, a 22.0% growth over 14 years. The peak was 15,111 in 2024. Average annual growth rate: 1.49%.
15,111
Population (2024)
12,389
Population (2010)
15,111
Peak (2024)
1.49%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,389 |
| 2011 | 12,546 |
| 2012 | 12,680 |
| 2013 | 12,776 |
| 2014 | 12,783 |
| 2015 | 12,826 |
| 2016 | 12,922 |
| 2017 | 12,996 |
| 2018 | 12,928 |
| 2019 | 12,846 |
| 2020 | 14,746 |
| 2021 | 14,527 |
| 2022 | 14,653 |
| 2023 | 14,890 |
| 2024 | 15,111 |
Race & Ethnicity
| White | 45.3% |
| Black or African American | 1.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.4% |
| Two or More Races | 0.0% |
Economy & Income
$172,604
Median Household Income
$97,329
Per Capita Income
6.7%
Poverty Rate
2.0%
Unemployment Rate
Housing
$1,238,700
Median Home Value
$3,501
Median Rent
69.3%
Owner-Occupied
Education
96.4%
High School+
74.4%
Bachelor's+
Commute
2.2%
Drive Alone
55.2%
Public Transit
31.9%
Work From Home
23.8 min
Avg Commute
Community Profile
14.5%
Foreign Born
17.2%
Non-English at Home
1.4%
Veterans
5.5%
With Disability
97.2%
Health Insurance
97.6%
Internet Access
Employment by Industry
| Information | 29.4% |
| Finance, Insurance & Real Estate | 19.0% |
| Professional, Scientific & Management | 14.0% |
| Education, Health Care & Social Services | 6.6% |
| Transportation & Warehousing | 4.6% |
| Arts, Entertainment & Food Services | 4.0% |
| Manufacturing | 3.8% |
| Public Administration | 2.7% |
| Retail Trade | 2.6% |
| Construction | 2.0% |
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Frequently Asked Questions
Key Biscayne, Florida has a population of 14,560 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 264th-largest city in Florida.
The median household income in Key Biscayne, Florida is $172,604, with 6.7% of residents living below the federal poverty level.
The median home value in Key Biscayne, Florida is $1,238,700, with median monthly rent at $3,501 and a homeownership rate of 69.3%.
The median age in Key Biscayne, Florida is 43.1 years. The population is 49.9% male and 50.1% female.
The population has grown 22.0% since 2010 (12,389 → 15,111).
Key Biscayne village, FL Climate
Key Biscayne village, FL has an average annual temperature of 24.3°C (76°F) and receives about 1468 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
24.3°C
Avg Temp
1468
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 20° / 68° | 54 mm |
| February | 20° / 68° | 52 mm |
| March | 22° / 71° | 58 mm |
| April | 23° / 74° | 75 mm |
| May | 25° / 78° | 153 mm |
| June | 27° / 81° | 236 mm |
| July | 28° / 83° | 156 mm |
| August | 28° / 83° | 197 mm |
| September | 28° / 82° | 210 mm |
| October | 26° / 79° | 158 mm |
| November | 23° / 74° | 79 mm |
| December | 21° / 70° | 40 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Key Biscayne village, FL
The most comfortable months to visit Key Biscayne village, FL are typically December, March and February, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near 17°C low). June is usually the wettest month.
Where to stay near Key Biscayne
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.