Each edition grades its towns against each other only.
For most people who can afford it, yes. Key Biscayne grades A− overall, 15th of 634 graded towns in Florida. The median household earns $182K and it is healthier than 94% of U.S. towns. The catch is cost: homes are expensive, about $1.7 million for a typical one and 22.5 times the Miami metro’s $77K median household income. 77% of adults 25 and older hold a bachelor’s degree or more in Key Biscayne, where Florida’s towns sit at 31% and U.S. towns at 29%. Only 36 of Florida’s 779 towns score higher on hazard risk. Key Biscayne is easier to get around on foot or by transit than 93% of U.S. towns.
Where Key Biscayne beats most towns.
| Widest gap | Key Biscayne | FL |
|---|---|---|
| Fewer older adults who have lost all their teeth | 5.2% | 12.7% |
| School | Grades | Students |
|---|---|---|
| Key Biscayne K-8 Center | PK–8 | 884 |
| Key Biscayne Presbyterian School | PK–1 | 160 |
| St. Christophers | PK–5 | 159 |
12,344 counted in 2010 and 14,809 in 2020; an estimated 14,815 in 2025.
Growth has leveled off: within 1% of 2020, after 20% in the decade before.
U.S. Census 2010 & 2020 counts · Census Bureau estimate, July 1, 2025
Each subject compared with towns across the country (schools within Florida), ordered by how far Key Biscayne is from typical.
Its grades run from A for jobs and income (better than 94% of comparable towns) to D− for cost of living (better than 1%), so the A− overall blends very different results.
How TownRatings grades towns →
Census counts: 10,507 in 2000, 14,809 in 2020. The archive holds 6 old photos and papers going back to 1825 and 4 maps from 1947 on.
Museums, parks, gardens and other places to visit around Key Biscayne. Close and well known come first.
Big draw7 mi Stadium & arenaNu Stadium
Big draw19 mi Stadium & arenaHard Rock Stadium
Big draw6 mi Stadium & arenaKaseya Center
7 mi Stadium & arenaLoanDepot Park
2 mi National ParkBiscayne National Park487K visitors a year
5 mi MuseumVizcaya Museum and GardensNu Stadium: Cuban Boy, CC0 · Hard Rock Stadium: elisfkc2, CC BY-SA 2.0 · Kaseya Center: jjron, GFDL 1.2 · LoanDepot Park: Roberto Coquis, CC BY 2.0 · Biscayne National Park: National Park Service, Public domain · Vizcaya Museum and Gardens: Ebyabe, CC BY-SA 3.0
Who provides power, water and the rest in Key Biscayne, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 17, 2025.
Ordered by what stands out in Key Biscayne.
Key Biscayne carries less natural-hazard risk than nearly all of Florida (mostly hurricanes), has less tooth loss than most of Florida and has milder winter nights than nearly all U.S. towns.
At 22.5 years of the Miami metro’s $77K median household income, the typical home (about $1.73M) costs more against local pay than in any other Florida town; that ratio is one input to its D− for cost of living. Home values rose 37% in five years, to about $1.73M, against 19% across Florida.
Over the 12 months to September 2026, the typical home gained 7.7% in value. Homes sold in Key Biscayne spent a median 178 days on the market. Two thirds of Key Biscayne households are owner-occupiers.
| Key Biscayne | Florida towns | U.S. towns | |
|---|---|---|---|
| Median rent | $3,501 a month | $1,647 a month | $1,185 a month |
| Households that own their home | 67% | 72% | 73% |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
One of its 3 schools is below, with the reason it’s listed. Its public schools are run by the Miami-Dade school district. Enrollment at Key Biscayne’s public school: 884 students.
| School | Level | Students | Letter |
|---|---|---|---|
| Key Biscayne K-8 CenterLargest public elementary schoolGrades PK–8 | Grades PK–8 | 884 | A |
NCES · EDFacts · graded within FL on state tests and graduation
Its widest gap with Florida is tooth loss: 5.2% of those 65+ have lost all their teeth, against 12.7% statewide. Against the 1,317 U.S. towns with household incomes like Key Biscayne’s, it is less healthy than 54%: its national edge comes with its incomes.
Among adults in Key Biscayne, 13% say their health is fair or poor. Only 6 of the 636 Florida towns we compare have a lower share of adults who have been diagnosed with depression than Key Biscayne.
| Key Biscayne | Florida towns | U.S. towns | |
|---|---|---|---|
| Frequent mental distress (CDC PLACES) | 11% | 16% | 17% |
| Depression (CDC PLACES) | 13% | 18% | 23% |
| Smoke cigarettes (CDC PLACES) | 5.8% | 13% | 14% |
| Obesity (CDC PLACES) | 24% | 32% | 35% |
| What stands out | Key Biscayne | FL |
|---|---|---|
| Fewer older adults who have lost all their teeth | 5.2% | 12.7% |
| Fewer smokers | 5.8% | 12.4% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
For Key Biscayne, the trail density is 0.7 miles per square mile. In 5 parks and preserves, walkers have 1.1 miles of trail.
| Key Biscayne | Florida towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.7 miles per square mile | 0.4 | 0.4 |
| Conserved land | 2.8% | 3% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Village Green | 0.6 mi | 10 |
| 2. Crandon Park | — | 10 |
| 3. Bill Baggs Cape Florida State Park | — | 2 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
January nights average 61.5°, milder than in 100% of U.S. towns; July afternoons average 89.2°. The Cape Florida weather station records that about 55 days a year reach 90°: more than most of the country, but fewer than 94% of Florida places with climate records.
Key Biscayne’s peak summer temperature stands at 89°F. Among 638 Florida towns, just 7 have a higher January low than Key Biscayne. Snow is almost unheard of.
| Key Biscayne | Florida towns | U.S. towns | |
|---|---|---|---|
| January low | 62°F | 51°F | 22°F |
| July high | 89°F | 91°F | 85°F |
NOAA U.S. Climate Normals, 1991–2020
34.6% of workers work from home, against 15.7% across Florida.
Since 2013, Key Biscayne has added 785 jobs, to 3,695 in 2023. Only 12% of working residents stay in Key Biscayne for work; the rest commute out. For workers locally, the share who do their job from home is 35%. The top destinations are Miami (28%), Coral Gables (8%) and Doral (4%).
| Key Biscayne | Florida towns | U.S. towns | |
|---|---|---|---|
| Work from home | 35% | 14% | 11% |
| Median household income | $182,000 | $73,000 | $80,000 |
| Below the poverty line | 5.5% | 11% | 9.6% |
| Working residents who work in town | 12% | 5% | 8% |
Census LEHD 2023 · ACS
Most reported incidents are property crimes, mainly thefts. Key Biscayne’s level of violent crime comes in at 0.6 per 1,000 residents. 8 violent crimes were reported in 2024.
| Key Biscayne | Florida towns | U.S. towns | |
|---|---|---|---|
| Violent crimes per 1,000 (2024) | 0.6 per 1,000 residents | 2.2 | 1.7 |
| Property crimes per 1,000 (2024) | 7.8 per 1,000 residents | 16.4 | 11.5 |
FBI crime data, 2024 · crimes reported to police
FEMA rates its natural-hazard risk lower than 96% of Florida towns, with expected losses of about $120 per resident a year; that rating is what its B− for hazard risk is built on. 1,027 flood insurance claims have been filed here, and 40 properties have flooded more than once.
FEMA puts 52% of Key Biscayne’s expected hazard losses down to hurricanes, and 25% to inland flooding. For Key Biscayne, the FEMA risk score is 41 of 100. Since 1991, Key Biscayne has seen 1,027 flood insurance claims paid out.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
16 within 15 miles of the center of Key Biscayne
About 6 of every 100 Key Biscayne residents are enrolled in college, about the same as Florida.
Village in Miami-Dade County, Florida
Key Biscayne is a village in Miami-Dade County, Florida, United States. Located on the island of Key Biscayne, the village is part of the Miami metropolitan area of South Florida. The population was 14,809 at the 2020 census, up from 12,344 in 2010.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
For most people who can afford it, yes. Key Biscayne grades A− overall, better than 79% of U.S. towns and #15 of 634 in Florida. It grades A for health and B+ for schools. Cost of living is its weak spot, with a D−.
Yes. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades D−.
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