Photo: AlphaBeta135 · CC BY 4.0On CDC estimates, Knollwood is healthier than 97% of U.S. towns
Knollwood differs from Illinois on 23 of 32 measures CDC estimates: 22 better, 1 worse.
Modeled estimates for adults 18+, CDC’s own estimate for Knollwood. How CDC estimates town health
What stands out about health in Knollwood
Knollwood is an active town
Only 15.2% of adults get no exercise outside work, vs 23% across Illinois. Habits ↓
Knollwood keeps up with checkups
It beats Illinois on three of five routine checkups and screenings, including dentist visits (73.1% vs 63.4%) and cholesterol checks (91.1% vs 87.4%). Checkups ↓
Knollwood adults report less loneliness
Loneliness (27.7% vs 33.5%), frequent mental distress (11.8% vs 15.6%) and lack of emotional support (19.9% vs 25.4%) all run below Illinois. 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 Illinois figure falls outside Knollwood’s likely range.
What’s behind Knollwood’s grade
On seven CDC estimates for adults, Knollwood is healthier than 97% of U.S. towns. All seven estimates beat the typical U.S. town. The strongest is physical distress (fewer adults with frequent physical distress than 98% of towns); the weakest is obesity, still better than 83%.
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). Knollwood’s median household income is $138,618; among the 3,694 U.S. towns within 25% of that ($104K–$173K), it’s healthier than 92%, about where its income would put it.
Everyday habits, side by side with Illinois
Share of adults, with the Illinois figure marked.
0 miles of trails across 2 parks and preserves
Keeping up with care
Share of Knollwood adults getting routine care. The full ring is 100%; the dark tick marks Illinois.
How Knollwood adults are doing
On 3 of 4 measures, Knollwood does better than Illinois.
3 in 10 Knollwood adults feel lonely. 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.
Out of every 100 Knollwood adults…
Knollwood runs below IL on 6 of 12 conditions and above it on 1. Tap one to see it as people.
Care in and near Knollwood
No hospital or community health center in Knollwood 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 Knollwood; ≈ 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).
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 Knollwood adults receive SNAP (food stamps), compared with 13.8% across Illinois.
Knollwood and the towns around it
Knollwood’s Health Grade ranks 2nd of 5 graded towns around it.
Nearby towns are shaded from CDC’s estimates for their ZIP codes, or CDC’s own figure for cities and villages.
Health next door
| Town | Health | Obesity | Diabetes | Smoking | Figures from |
|---|---|---|---|---|---|
| Knollwood | A+ | 30% | 9.6% | 7.2% | CDC place |
| Lake Bluff | A+ | 28.9% | 9.2% | 7.1% | CDC place |
| Green Oaks | A | 29.2% | 10.5% | 8.3% | CDC place |
| Libertyville Township | A+ | 30.3% | 10% | 8.3% | ZIP codes |
| Shields Township | A | 31% | 9.8% | 8.8% | ZIP codes |
Same-state neighbors only, ordered by length of shared border.
Living with a disability
Shown without a better/worse judgment.
of Knollwood adults live with a disability (Illinois 27.6%). Walking or climbing stairs is the most common.
Every CDC estimate for Knollwood
Share of adults, 40 measures, with CDC’s likely range.
On the 32 measures below that have a better and a worse direction, Knollwood is better than Illinois on 22 and worse on 1; on the rest, the Illinois figure falls inside Knollwood’s likely range, so we call them about the same. Disability and SNAP are described, not compared as better or worse.
| Adults who… | Knollwood | IL | U.S. | vs IL |
|---|---|---|---|---|
| Overall health | ||||
| Fair or poor health | 11.9%10–14.1 | 18.6% | 19.4% | Better |
| Frequent physical distress (physical health not good 14+ days a month) | 9.2%7.9–10.7 | 12.2% | 13% | Better |
| Frequent mental distress (mental health not good 14+ days a month) | 11.8%10.3–13.6 | 15.6% | 15.9% | Better |
| Conditions | ||||
| Obesity | 30%25.1–34.8 | 34% | 32.9% | About the same |
| Diabetes | 9.6%8.2–11.2 | 11.7% | 12% | Better |
| High blood pressure | 31.4%27.9–34.7 | 33% | 34.4% | About the same |
| High cholesterol (adults screened in 5 years) | 37.4%33.6–41.3 | 35.4% | 37.1% | About the same |
| Arthritis | 22.1%19.4–24.8 | 24.2% | 25.3% | About the same |
| Asthma | 8.6%7.6–9.8 | 9.9% | 9.9% | Better |
| Cancer, other than skin cancer | 9%8.1–10 | 7.6% | 7.9% | Worse |
| Coronary heart disease | 5.1%4.4–5.8 | 5.9% | 6.4% | Better |
| COPD | 4.2%3.4–5.1 | 6.3% | 6.3% | Better |
| Stroke | 2.5%2.2–2.9 | 3.3% | 3.4% | Better |
| Lost all teeth (ages 65+) | 6.4%5–7.9 | 10.3% | 12.3% | Better |
| Habits | ||||
| Smoke cigarettes | 7.2%5.6–9.1 | 12.1% | 11.8% | Better |
| No exercise outside work | 15.2%12.5–18.4 | 23% | 24.7% | Better |
| Binge drinking | 16.3%13.6–19 | 17.8% | 15.4% | About the same |
| Sleep under 7 hours | 29%24.6–33.9 | 35.4% | 36% | Better |
| Checkups and coverage | ||||
| No health insurance (ages 18–64) | 6.4%5–8.1 | 9.9% | 11% | Better |
| Checkup in the past year | 78.6%75.3–81.6 | 77.8% | 77.4% | About the same |
| Dentist visit in the past year | 73.1%70.1–76 | 63.4% | 63.2% | Better |
| Cholesterol check in 5 years | 91.1%89.6–92.5 | 87.4% | 87.1% | Better |
| Taking blood pressure medicine (adults with high blood pressure) | 76.4%73.1–79.2 | 75.7% | 76.5% | About the same |
| Colorectal cancer screening (ages 45–75) | 69.8%65.5–74 | 60.2% | 65.5% | Better |
| Mammogram in 2 years (women 50–74) | 77.5%70.7–83.4 | 73.5% | 76.4% | About the same |
| Mind and connection | ||||
| Ever told they have depression | 17.2%14.6–19.9 | 19.8% | 20.6% | About the same |
| Feel lonely | 27.7%23.9–31.9 | 33.5% | 32.5% | Better |
| Lack social and emotional support | 19.9%17.1–23.1 | 25.4% | 23.6% | Better |
| Everyday needs | ||||
| Worried about having enough food | 7.3%5.8–9.2 | 15.9% | 15% | Better |
| Worried about keeping housing | 7.1%5.8–8.7 | 13.2% | 12% | Better |
| Threatened with a utility shut-off | 4.1%3.4–4.9 | 7.8% | 7.6% | Better |
| Lack reliable transportation | 4.3%3.6–5.1 | 8% | 7.9% | Better |
| Received SNAP (food stamps) | 5.4%4.1–6.9 | 13.8% | 11.6% | Lower |
| Disability | ||||
| Any disability | 20%17–23.3 | 27.6% | 30.1% | Lower |
| Difficulty walking or climbing stairs | 9%7.5–10.6 | 12.8% | 13.6% | Lower |
| Difficulty concentrating or remembering | 8.5%7.3–10.1 | 12.6% | 13.9% | Lower |
| Hearing difficulty | 5.6%4.9–6.4 | 6.2% | 6.7% | About the same |
| Vision difficulty | 3.1%2.7–3.5 | 4.8% | 5.4% | Lower |
| Difficulty doing errands alone | 4.8%4.1–5.6 | 7.6% | 7.9% | Lower |
| Difficulty dressing or bathing | 2.2%1.8–2.5 | 3.5% | 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 Illinois figure falls inside that range.
Questions about health in Knollwood
Is Knollwood a healthy place to live?
On seven CDC estimates for adults, Knollwood is healthier than 97% of U.S. towns: A+ for health. Among U.S. towns with similar household incomes it’s healthier than 92%. These are modeled estimates of who lives there, not a measure of local care or habits alone.
What is the obesity rate in Knollwood?
CDC estimates 30% of adults have obesity, likely between 25.1% and 34.8%, against 34% across Illinois and 32.9% nationally.
What hospital is closest to Knollwood?
Northwestern Lake Forest Hospital in Lake Forest, 2.0 miles in a straight line from Knollwood’s center point, is the nearest general hospital with an emergency room; Medicare rates it 5 of 5 stars.
How many people in Knollwood have no health insurance?
CDC estimates 6.4% of adults ages 18–64 have no health insurance (likely 5–8.1%), against 9.9% across Illinois.
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 Knollwood 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 Knollwood.
Health estimates: CDC PLACES: Local Data for Better Health, 2025 release. The Illinois 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.