Housing data for Key Biscayne, FL
Key Biscayne, FL has an estimated 14,791 residents and 7,310 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a village in Miami-Dade County.
33.4% of households rent.
The median gross rent is $3,500 or more a month.
Its population grew measurably since 2015–2019 (+14.5%).
Figures last updated on .
- Residents
- 14,791 (±28)
- Housing units
- 7,310 (±420)
- Households that rent
- 33.4%
- Median gross rent
- $3,500 or more
- Residents since 2015–2019
- +14.5%
What stands out in Key Biscayne
Median home value: $1,575,300 (±$152,495) in Key Biscayne, higher than in Miami-Dade County ($463,000).
Median household income: $181,505 (±$39,472) in Key Biscayne, higher than in Miami-Dade County ($71,753).
Working from home: 34.6% (±4.7 points) in Key Biscayne, higher than in Miami-Dade County (14.0%).
Rental vacancy rate: 16.3% (±7.6 points) in Key Biscayne, higher than in Miami-Dade County (5.5%).
- Home values in Key Biscayne
- Income and affordability in Key Biscayne
- Commute and cars in Key Biscayne
- Vacancy rate in Key Biscayne
Housing in Key Biscayne at a glance
- Median rent: $3,500 or more median gross rent a month
- Rent by bedrooms: $3,500 or more median gross rent, 2 bedrooms
- Rent burden: 65.7% of renters pay 30% or more of income
- Renters and owners: 33.4% of households rent
- Income and affordability: $181,505 median household income
- Home values: $1,575,300 median home value
- Homeowner costs: $4,000 or more median monthly cost with a mortgage
- Property taxes: $10,000 or more median real estate taxes a year
- Types of homes: 76.5% of homes are in buildings of 5 or more units
- Bedrooms: 46.7% of homes have 3 or more bedrooms
- Age of homes: 59.2% of homes were built before 1980
- Vacancy rate: 16.3% rental vacancy rate
- Heating fuel: 86.8% heat with electricity
- Commute and cars: 23.7 minutes average trip to work
- Crime reported to police: 56 violent crimes per 100,000 residents
- Growth: +14.5% residents since 2015–2019
- How long people stay: 29.8% moved in since 2020
- Crowding and facilities: 3.7% of homes have more than 1 person per room
- Fair Market Rent: $3,660 Small Area FMR, 2 bedrooms (ZIP 33149)
Key Biscayne against Miami-Dade County, its state and the nation
| Key Biscayne | Miami-Dade County | Florida | United States | |
|---|---|---|---|---|
| Residents | 14,791 (±28) | 2,738,356 (exact) | 22,416,077 (exact) | 334,922,499 |
| Housing units | 7,310 (±420) | 1,094,983 (±260) | 10,256,470 (±942) | 143,775,355 |
| Households that rent | 33.4% (±4.5 points) | 47.8% (±0.5 points) | 32.4% (±0.2 points) | 34.8% |
| Median gross rent | $3,500 or more | $1,829 (±$10) | $1,669 (±$5) | $1,413 |
| Median household income | $181,505 (±$39,472) | $71,753 (±$708) | $74,568 (±$284) | $80,734 |
| Median home value | $1,575,300 (±$152,495) | $463,000 (±$2,523) | $359,000 (±$930) | $332,700 |
| Median real estate taxes (a year) | $10,000 or more | $3,744 (±$42) | $2,730 (±$10) | $3,119 |
| Built before 1980 | 59.2% (±5.8 points) | 49.6% (±0.6 points) | 33.9% (±0.2 points) | 49.7% |
| Average commute | 23.7 minutes (±2.4) | 30.9 minutes (±0.2) | 28.0 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 92.6% (±2.6 points) | 89.7% (±0.3 points) | 91.6% (±0.1 points) | 91.0% |
| Median age of residents | 42.2 years (±2.2) | 40.7 years (±0.1) | 42.6 years (±0.1) | 38.9 years |
Key Biscayne covers 1.2 square miles of land, about 11,861 residents per square mile (Census Bureau Gazetteer).
How Key Biscayne has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 12,915 (±46) | 14,791 (±28) | +14.5% | Measurable increase |
| Housing units | 7,274 (±295) | 7,310 (±420) | +0.5% | Not a measurable change |
| Median home value | $1,211,000 (±$150,114) | $1,575,300 (±$152,495) | +30.1% | No measurable change after inflation |
| Median household income | $151,310 (±$19,190) | $181,505 (±$39,472) | +20.0% | No measurable change after inflation |
| Households that rent | 30.5% (±4.3 points) | 33.4% (±4.5 points) | +2.9 percentage points | Not a measurable change |
| Rental vacancy rate | 11.9% (±5.3 points) | 16.3% (±7.6 points) | +4.4 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Key Biscayne
In 2024, the Key Biscayne Police Department reported 56 violent and 776 property crimes per 100,000 residents to the FBI.
ZIP codes in Key Biscayne
| ZIP code | Share of the ZIP’s land in this place | Residents | Median gross rent | Median home value | Median household income |
|---|---|---|---|---|---|
| 33149 | 27% | 14,791 | $3,500 or more | $1,575,300 | $181,505 |
A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.
Places near Key Biscayne
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Fisher Island | 5.1 mi | — | $2,000,000 or more | 5.1% |
| Coral Gables | 6.0 mi | $2,373 | $1,089,900 | 35.5% |
| Miami | 6.4 mi | $1,758 | $518,100 | 69.2% |
| South Miami | 8.2 mi | $1,764 | $829,400 | 39.8% |
| Miami Beach | 8.4 mi | $1,826 | $556,700 | 59.1% |
| Pinecrest | 8.8 mi | $1,946 | $1,406,400 | 17.2% |
| West Miami | 9.4 mi | $2,210 | $488,800 | 49.7% |
| Glenvar Heights | 9.4 mi | $1,973 | $545,400 | 56.5% |
HUD Fair Market Rent for Key Biscayne, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,953 | $2,121 | $2,564 | $3,277 | $3,749 |
HUD also publishes a Small Area Fair Market Rent for each ZIP code in the area; the Fair Market Rent page for this place lists its ZIP codes.
HUD income limits for Key Biscayne, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $28,600 | $47,700 | $76,300 |
| 2 people | $32,700 | $54,500 | $87,200 |
| 3 people | $36,800 | $61,300 | $98,100 |
| 4 people | $40,850 | $68,100 | $109,000 |
| 5 people | $44,150 | $73,550 | $117,750 |
| 6 people | $47,400 | $79,000 | $126,450 |
| 7 people | $50,700 | $84,450 | $135,150 |
| 8 people | $55,720 | $89,900 | $143,900 |
These are the limits HUD sets for its housing programs in the Miami-Miami Beach-Kendall, FL HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $89,800.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Key Biscayne
What is the average rent in Key Biscayne, FL?
The Census Bureau publishes the median rather than the average: the median gross rent in Key Biscayne is $3,500 or more a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.
How much is a one-bedroom apartment in Key Biscayne?
The median gross rent for a one-bedroom home in Key Biscayne, FL is $2,477 (±$350) a month (2020–2024 American Community Survey).
Are renters in Key Biscayne rent-burdened?
65.7% of renting households in Key Biscayne pay 30% or more of their income in gross rent, the share housing researchers usually call rent-burdened (2020–2024 American Community Survey).
How many renters are there in Key Biscayne?
Key Biscayne has an estimated 1,654 (±223) renting households, 33.4% of its occupied homes (2020–2024 American Community Survey).
What is the median household income in Key Biscayne?
The median household income in Key Biscayne is $181,505 (±$39,472) a year (2020–2024 American Community Survey).
What is the average home value in Key Biscayne, FL?
The Census Bureau publishes the median: $1,575,300 (±$152,495) for owner-occupied homes in Key Biscayne (2020–2024 American Community Survey).
Is Key Biscayne growing?
In Key Biscayne, the number of residents went from 12,915 in 2015–2019 to 14,791 in 2020–2024 (+14.5%), a measurable increase.
What ZIP codes are in Key Biscayne?
The ZIP code that covers Key Biscayne is 33149.
What is the median rent in ZIP code 33149?
The median gross rent in ZIP Code Tabulation Area 33149 is $3,500 or more a month (2020–2024 American Community Survey).
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Key Biscayne village, Florida
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Key Biscayne village, Florida
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Key Biscayne village, Florida
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Key Biscayne village, Florida
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Key Biscayne village, Florida
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Key Biscayne village, Florida
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Key Biscayne village, Florida
- HUD Fair Market Rents, fiscal year 2027: Miami-Miami Beach-Kendall, FL HUD Metro FMR Area
- HUD Small Area Fair Market Rents, fiscal year 2027
- HUD Income Limits, fiscal year 2026: Miami-Miami Beach-Kendall, FL HUD Metro FMR Area
- US Census Bureau, American Community Survey 2020–2024 5-year estimates for ZIP Code Tabulation Areas
- FBI Uniform Crime Reporting Program, Crime Data Explorer: Key Biscayne Police Department (ORI FL0134300)
- FBI: Uniform Crime Reporting statistics and their proper use
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Key Biscayne village, Florida (place:36300, in state:12).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .