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
Key Biscayne covers 1.2 sq mi of land at 11676 people per square mile.
About Key Biscayne, FL
Key Biscayne is a city in Florida with a population of 14,560. It ranks #264 among cities in Florida by population. The median age is 43.1, older than the national median. The population is 49.9% male and 50.1% female.
The median household income in Key Biscayne is $172,604, above the US median of $74,580. 6.7% of residents live below the federal poverty level. Home values sit at a median of $1,238,700, with monthly rent averaging $3,501. The homeownership rate of 69.3% is higher than the national rate of 64.8%.
Educational attainment in Key Biscayne reflects 74.4% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 31.9% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 23.8 minutes each way.
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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City rankings
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).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.