HomeFloridaMiami-Dade CountyKey Biscayne
Key Biscayne, Florida: commercial real estate data.
Key Biscayne is a Census village of 14,791 people across 1.25 square miles of land, in Miami-Dade County. Median household income is $181,505, 66.6 percent of occupied homes are owned, and the SBA record carries 15 7(a) approvals to borrowers here worth $11.4 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Key Biscayne
What Key Biscayne is
- Census place typevillage
- Land area1.25 sq mi
- Water area0.46 sq mi
- Population per square mile of land11,859
- County holding the largest share of its areaMiami-Dade County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Key Biscayne
How many people live in Key Biscayne
- Population14,791
- Median age42.2
- Population under 184,702
- Share under 1831.8 percent
- Population 65 and over2,317
- Share 65 and over15.7 percent
- Households4,945
- Family households3,867
- Share of households that are families78.2 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Key Biscayne
Income and work in Key Biscayne
- Median household income$181,505 plus or minus $39,472
- Per capita income$106,219
- Civilian labor force6,570
- Employed6,383
- Unemployed187 plus or minus 105
- Unemployment rate2.8 percent plus or minus 1.6
- Adults 25 and over9,425
- Adults 25 and over with a high school diploma or higher96.1 percent
- Adults 25 and over with a bachelor degree or higher77.2 percent
- Adults 25 and over with a graduate degree42.2 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Key Biscayne
Housing in Key Biscayne
- Housing units7,310
- Occupied units4,945
- Vacant units2,365
- Vacancy rate32.4 percent
- Owner occupied3,291
- Renter occupied1,654
- Ownership rate66.6 percent
- Median owner-occupied home value$1,575,300
- Median gross rent, monthly$3,501
- Annual rent as a share of median income23.1 percent
- Single family units1,615
- Share single family22.1 percent
- Units in buildings of two or more5,653
- Share in buildings of two or more77.3 percent
- Mobile homes42 plus or minus 43
- Median year structure built1977
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Key Biscayne
How Key Biscayne gets to work
- Workers 16 and over who commute4,118
- Commuting under 15 minutes860 plus or minus 213
- Share commuting under 15 minutes20.9 percent plus or minus 4.8
- Commuting 30 minutes or more1,404 plus or minus 299
- Share commuting 30 minutes or more34.1 percent
- Drove alone51.2 percent
- Carpooled5.4 percent plus or minus 1.6
- Public transport1.9 percent plus or minus 1.5
- Walked2.0 percent plus or minus 0.9
- Worked from home34.6 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Key Biscayne
SBA loans in Key Biscayne (7(a))
- Approvals15
- Gross approval$11,358,000
- Average approval$757,200
- Median approval$150,000
- Largest approval$5,000,000
- Jobs supported76
- Jobs per approval5.1
- Loans with a final outcome2
- Paid in full2
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more6.7 percent
- Share to franchises0.0 percent
- Distinct lenders13
- Distinct industries by NAICS12
Counted by borrower city: approvals to borrowers whose address is in Key Biscayne, in any county, FY2020 to FY2026. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Key Biscayne
SBA loans in Key Biscayne (504)
- Approvals2
- Gross approval$643,000
- Average approval$321,500
- Median approval$321,500
- Largest approval$463,000
- Jobs supported6
- Loans with a final outcome1
- Charged off0
- Median term270 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in Key Biscayne, in any county, FY2010 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Key Biscayne
Flood risk in Key Biscayne
- NFIP communityVillage of Key Biscayne
- NFIP community number120648
- Participating in the NFIPYes
- Community Rating System classClass 8
- Currently effective map date09/11/09
The Village of Key Biscayne participates in the National Flood Insurance Program as community 120648 and carries Community Rating System class 8, a flood insurance premium discount for policies written there.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Miami-Dade County, not Key Biscayne
Miami-Dade County context, not Key Biscayne figures
- Establishments in Miami-Dade County98,394
- Covered employment, Miami-Dade County1,257,569
- Average annual pay, Miami-Dade County$77,609
- Housing units permitted, Miami-Dade County10,608
Every figure in this section is published for Miami-Dade County as a whole and is not a measurement of Key Biscayne.
All Miami-Dade County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Key Biscayne questions, answered from the record.
How many people live in Key Biscayne, Florida?
14,791, in 4,945 households. Key Biscayne village covers 1.25 square miles of land, which is 11,859 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Key Biscayne in?
Miami-Dade County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Key Biscayne?
$181,505. The median owner-occupied home is valued at $1,575,300. Median gross rent is $3,501 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Key Biscayne businesses?
15 7(a) approvals totaling $11.4 m since FY2020, across 13 lenders, median approval $150,000, plus 2 504 approvals worth $643,000 since FY2010. These count approvals to borrowers whose address is in Key Biscayne, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Key Biscayne borrowers get paid back?
No rate is published for Key Biscayne. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Key Biscayne in the National Flood Insurance Program?
Yes. Key Biscayne appears in the FEMA Community Status Book as Key Biscayne, village of, community 120648, carrying Community Rating System class 8, which is a premium discount for exceeding the program minimum. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Key Biscayne figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Miami-Dade County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Key Biscayne.
Is zoning published for Key Biscayne?
No. Nothing on this page presents parcel level zoning.