Fowey Rocks Light · Photo: http://www.birdphotos.com · CC BY 3.0Among U.S. towns with similar household incomes, Key Biscayne is healthier than 46%
Key Biscayne beats Florida on 23 of 31 measures CDC estimates, and trails on none.
Modeled estimates for adults 18+, CDC’s own estimate for Key Biscayne. How CDC estimates town health
What stands out about health in Key Biscayne
Against towns with similar incomes, Key Biscayne’s lead shrinks
Key Biscayne is healthier than 94% of U.S. towns, but 46% of the 1,317 towns with similar household incomes ($136K–$227K). Part of its edge is what towns with its incomes tend to have. Health Grade ↓
COPD and stroke are less common in Key Biscayne
Key Biscayne runs below Florida on nine chronic conditions, most of all COPD (3.5% vs 7.2%), stroke (2.6% vs 3.8%) and heart disease (5.5% vs 7.5%). A young population is part of it: only 16% of residents are 65 or older (Florida 21%). Conditions ↓
Few Key Biscayne adults smoke
5.8% of adults smoke cigarettes, vs 12.4% across Florida. Habits ↓
Key Biscayne adults report less mental distress
Frequent mental distress (10.6% vs 15.8%), lack of emotional support (19.1% vs 24.7%) and depression (12.6% vs 17.1%) all run below Florida. Mind & connection ↓
Written from the CDC, Medicare and HRSA data on this page. CDC PLACES 2025 release: modeled estimates for adults, not counts; “higher” and “lower” mean the Florida figure falls outside Key Biscayne’s likely range.
What’s behind Key Biscayne’s grade
On seven CDC estimates for adults, Key Biscayne is healthier than 94% of U.S. towns, #17 of 636 in Florida. All seven estimates beat the typical U.S. town. The strongest is smoking (fewer adults who smoke than almost every town); the weakest is diabetes, still better than 65%.
Health estimates follow income closely across the country: towns with higher household incomes usually score higher (a correlation of 0.77 across 21,157 graded towns). Key Biscayne’s median household income is $181,505; among the 1,317 U.S. towns within 25% of that ($136K–$227K), it’s healthier than 46%, about where its income would put it.
Out of every 100 Key Biscayne adults…
Key Biscayne runs below FL on 10 of 12 conditions. Tap one to see it as people.
Everyday habits, side by side with Florida
Share of adults, with the Florida figure marked.
1.1 miles of trails across 5 parks and preserves
How Key Biscayne adults are doing
On 3 of 3 measures, Key Biscayne does better than Florida.
A hello is a start.
Groups are the easiest way in: a walking group, a book club, your street.
If you or someone you know is struggling, call or text 988, the Suicide & Crisis Lifeline. It’s free, confidential and open 24/7.
Care in and near Key Biscayne
No hospital or community health center in Key Biscayne itself. These are the nearest.
Hospitals: Medicare overall star ratings, 1–5. Community health centers charge on a sliding scale by income. Distances are straight-line from the center of Key Biscayne; ≈ marks a hospital located by its town, not its street. Shortage areas: HRSA Health Professional Shortage Areas (a “population” designation covers specific residents, such as those with low incomes).
Keeping up with care
Share of Key Biscayne adults getting routine care. The full ring is 100%; the dark tick marks Florida.
Making ends meet
Needs that shape health as much as any doctor visit: food, housing, utilities and a way to get around.
5.4% of Key Biscayne adults receive SNAP (food stamps), compared with 15% across Florida.
Key Biscayne and the towns around it
How health changes across the town line.
Health next door
| Town | Health | Obesity | Diabetes | Smoking | Figures from |
|---|---|---|---|---|---|
| Key Biscayne | A | 23.5% | 11.1% | 5.8% | CDC place |
Same-state neighbors only, ordered by length of shared border.
Living with a disability
Shown without a better/worse judgment.
of Key Biscayne adults live with a disability (Florida 31.3%). Walking or climbing stairs is the most common.
Every CDC estimate for Key Biscayne
Share of adults, 39 measures, with CDC’s likely range.
On the 31 measures below that have a better and a worse direction, Key Biscayne is better than Florida on 23 and worse on 0; on the rest, the Florida figure falls inside Key Biscayne’s likely range, so we call them about the same. Disability and SNAP are described, not compared as better or worse.
| Adults who… | Key Biscayne | FL | U.S. | vs FL |
|---|---|---|---|---|
| Overall health | ||||
| Fair or poor health | 13.2%11.5–15.2 | 20.3% | 19.4% | Better |
| Frequent physical distress (physical health not good 14+ days a month) | 10.4%9.2–11.8 | 14.3% | 13% | Better |
| Frequent mental distress (mental health not good 14+ days a month) | 10.6%9.3–11.9 | 15.8% | 15.9% | Better |
| Conditions | ||||
| Obesity | 23.5%19.5–27.9 | 31.9% | 32.9% | Better |
| Diabetes | 11.1%9.7–12.7 | 13.5% | 12% | Better |
| High blood pressure | 29.5%26.5–32.7 | 36.6% | 34.4% | Better |
| High cholesterol (adults screened in 5 years) | 36.2%32.7–39.9 | 39% | 37.1% | About the same |
| Arthritis | 20.1%17.7–22.5 | 26.6% | 25.3% | Better |
| Asthma | 7.7%6.8–8.7 | 9.4% | 9.9% | Better |
| Cancer, other than skin cancer | 8.5%7.7–9.2 | 9.1% | 7.9% | About the same |
| Coronary heart disease | 5.5%5–6.2 | 7.5% | 6.4% | Better |
| COPD | 3.5%3–4 | 7.2% | 6.3% | Better |
| Stroke | 2.6%2.3–2.8 | 3.8% | 3.4% | Better |
| Lost all teeth (ages 65+) | 5.2%4.2–6.3 | 12.7% | 12.3% | Better |
| Habits | ||||
| Smoke cigarettes | 5.8%4.9–6.9 | 12.4% | 11.8% | Better |
| No exercise outside work | 20.3%17.4–23.6 | 26.3% | 24.7% | Better |
| Binge drinking | 15.5%13.1–18.1 | 14.6% | 15.4% | About the same |
| Sleep under 7 hours | 31.6%27.7–35.9 | 37.3% | 36% | Better |
| Checkups and coverage | ||||
| No health insurance (ages 18–64) | 13.7%11.5–16.2 | 15.9% | 11% | About the same |
| Checkup in the past year | 78.8%75.8–81.5 | 78.4% | 77.4% | About the same |
| Dentist visit in the past year | 71.1%68.3–73.8 | 57.4% | 63.2% | Better |
| Cholesterol check in 5 years | 91.5%90.2–92.5 | 87% | 87.1% | Better |
| Taking blood pressure medicine (adults with high blood pressure) | 78.4%75.4–81.2 | 78.4% | 76.5% | About the same |
| Colorectal cancer screening (ages 45–75) | 65.5%61.4–69.6 | 65.7% | 65.5% | About the same |
| Mammogram in 2 years (women 50–74) | 79.9%74–85.2 | 76.1% | 76.4% | About the same |
| Mind and connection | ||||
| Ever told they have depression | 12.6%10.7–14.7 | 17.1% | 20.6% | Better |
| Lack social and emotional support | 19.1%16.6–21.9 | 24.7% | 23.6% | Better |
| Everyday needs | ||||
| Worried about having enough food | 8.4%7.5–9.5 | 16.8% | 15% | Better |
| Worried about keeping housing | 8%7–9 | 13.9% | 12% | Better |
| Threatened with a utility shut-off | 4.7%4.1–5.4 | 8.6% | 7.6% | Better |
| Lack reliable transportation | 5.1%4.6–5.7 | 9.1% | 7.9% | Better |
| Received SNAP (food stamps) | 5.4%4.7–6.1 | 15% | 11.6% | Lower |
| Disability | ||||
| Any disability | 20.6%18–23.6 | 31.3% | 30.1% | Lower |
| Difficulty walking or climbing stairs | 9.8%8.5–11.3 | 15.1% | 13.6% | Lower |
| Difficulty concentrating or remembering | 8.5%7.5–9.7 | 13.7% | 13.9% | Lower |
| Hearing difficulty | 6%5.3–6.7 | 7.6% | 6.7% | Lower |
| Vision difficulty | 4.4%3.9–4.9 | 6% | 5.4% | Lower |
| Difficulty doing errands alone | 4.6%4–5.2 | 8% | 7.9% | Lower |
| Difficulty dressing or bathing | 2.6%2.3–3 | 4.1% | 3.8% | Lower |
Each figure is the share of adults 18+ unless the label says otherwise; small numbers after it are CDC’s likely range (95% interval). “About the same” means the Florida figure falls inside that range.
Questions about health in Key Biscayne
Is Key Biscayne a healthy place to live?
On seven CDC estimates for adults, Key Biscayne is healthier than 94% of U.S. towns: A for health, #17 of 636 in Florida. These are modeled estimates of who lives there, not a measure of local care or habits alone.
What is the obesity rate in Key Biscayne?
CDC estimates 23.5% of adults have obesity, likely between 19.5% and 27.9%, against 31.9% across Florida and 32.9% nationally.
What hospital is closest to Key Biscayne?
Doctors Hospital in Coral Gables, 7.1 miles in a straight line from Key Biscayne’s center point, is the nearest general hospital with an emergency room; Medicare rates it 5 of 5 stars.
How many people in Key Biscayne have no health insurance?
CDC estimates 13.7% of adults ages 18–64 have no health insurance (likely 11.5–16.2%), against 15.9% across Florida.
How accurate are these numbers?
They’re modeled estimates: CDC applies national survey answers to each area’s age, sex, race and education mix, so they describe who lives in Key Biscayne more than anything measured there. At the ends of CDC’s ranges the grade could be anywhere from A− to A+.
Neighbors talk health
Doctors taking patients, urgent care, staying active in Key Biscayne.
Health estimates: CDC PLACES: Local Data for Better Health, 2025 release. The Florida figure combines its counties, weighted by adult population. Hospitals and star ratings: Medicare Care Compare (CMS). Health centers and shortage areas: HRSA. The Health Grade is our own summary of CDC’s estimates, not an official rating. Ages: U.S. Census Bureau, American Community Survey. Town boundaries: U.S. Census Bureau. This page isn’t medical advice. In an emergency, call 911.