Health · Alto

Alto, CA health

Alto differs from California on 20 of 40 measures. It has fewer uninsured adults (3.6% vs 10.6%) and fewer older adults who have lost all their teeth (4% vs 10.6%). Where it trails the state: more adults who have had cancer (8.8% vs 6.4%).

CDC PLACES 2025 · adults 18+ · CDC's estimate for Alto
TownTapestry Health GradeNew

Alto’s Health Grade: A+

On seven CDC health estimates for adults, Alto is healthier than 96% of U.S. towns and 91% of California towns.

ASelf-rated healthAPhysical distressA-Mental distressA+ObesityA+DiabetesASmokingA+Exercise
All U.S. towns we grade (19,420)Healthier than 96%
Less healthyHealthier
California towns we grade (1,056)Healthier than 91%
Towns with similar incomes, $97K–$161K (4,490)Healthier than 92%

About what its income would suggest. Alto does about as well against towns with similar incomes as against all towns.

These are estimates. At the ends of CDC’s likely ranges, Alto could be anywhere from A− to A+.
How the Health Grade works
  • Seven CDC estimates. Adults in fair or poor health, frequent physical distress, frequent mental distress, obesity, diabetes, smoking and no exercise (CDC PLACES, 2025 release). On each one a town earns the share of U.S. towns doing worse, and those shares are averaged. It’s the same score as our Healthiest towns in California ranking.
  • Graded on a national curve. Every U.S. town with 1,000+ residents and all seven estimates (19,420 places) is lined up by score: A+ top 5%A next 10%A- next 10%B B+ to B−, next 30%C C+ to C−, next 30%D D and D−, bottom 15%
  • Not adjusted for income. Wealthier towns are usually healthier, and the grade shows that as it is. The similar-incomes bar compares Alto with U.S. towns whose median household income is within 25% of its own.
  • Modeled, not measured. CDC combines national survey answers with each area’s age, sex, race and income mix. Alto uses CDC’s own estimate for it. High blood pressure is left out because it tracks age more than anything else. The confidence line recomputes the grade with every estimate at the low, then the high, end of its range.
Report card

How Alto compares with California

Each theme counts how many of its measures are better, worse or too close to call against the state. Tap one to jump to it.

Chronic conditions

Out of every 100 Alto adults…

28 of every 100 Alto adults have high blood pressure
California: 31 in 100 · too close to call · margin 24.5–32.2%

Bars show Alto; the black tick is California. Tap a condition to see it as people.

Habits

Everyday habits, side by side with the state

Alto, betterAlto, worseToo close to callCalifornia
Get no exerciseshare of adults 14.9% Alto
CA 24.6%
Sleep under 7 hoursshare of adults 31.6% Alto
CA 35.1%
Binge drinkshare of adults 18% Alto
CA 15.3%
Smoke cigarettesshare of adults 8.4% Alto
CA 10.9%
0%10%20%30%40%
Care & screenings

Keeping up with care

Share of Alto adults getting routine care. The full ring is 100%; the dark tick marks California.

73%
Yearly checkup
CA 72%
73%
Dentist visit
CA 63%
90%
Cholesterol check
CA 85%
65%
Colon screening
CA 58%
79%
Mammogram
CA 76%
72%
Taking BP meds
CA 71%
1 in 28
working-age adults has no health insurance
Alto 3.6% · California 1 in 9 (10.6%)
Mind & connection

How Alto adults are doing

1 in 3Alto adults feel lonely
28.6% · California 37.3% · better
1 in 4Alto adults have been diagnosed with depression
22.9% · California 20.1% · too close to call
1 in 5Alto adults lack social or emotional support
20.3% · California 28.6% · better
1 in 7Alto adults are in frequent mental distress
15% · California 16.4% · too close to call
Everyday needs

Making ends meet

Needs that shape health as much as any doctor visit: food, housing, utilities and a way to get around.

1 in 14
Alto adults worry about having enough food
7.2% · CA 17.9% · better
1 in 14
Alto adults worry about keeping their housing
7.3% · CA 14.9% · better
1 in 23
Alto adults were threatened with a utility shut-off
4.3% · CA 7.3% · better
1 in 20
Alto adults lack reliable transportation
4.9% · CA 9.3% · better

6.7% of Alto adults receive SNAP (food stamps), compared with 15.6% across California.

Disability

Living with a disability

23.3%

of Alto adults live with a disability (California 30.4%). Thinking or memory is the most common.

Walking or climbing stairs9.7%
Thinking or memory10.6%
Hearing4.9%
Errands alone5.5%
Vision3%
Dressing or bathing2.5%

Black tick: California. Shown without a better/worse judgment.

Around Alto

Alto and the towns around it

Pick a measure to shade the map. Darker is worse for health. Pins are hospitals and community health centers in and near Alto.

Mill Valley: 19.8% Strawberry: 19.6% Tamalpais-Homestead Valley: 20.1% Corte Madera: 20.7% Larkspur: 20.3% Kentfield: 20% Tiburon: 18.9% Alto: 21.8% Alto Mill Valley Strawberry Marinhealth Medical Center · Greenbrae · 3.1 mi · 5★ MedicareH Marin City Health and Wellness Center - Phillips Drive · Sausalito · 2.3 mi+ Marin Community Clinic - Greenbrae · Greenbrae · 2.8 mi+
18.9%21.8%· darker is worse for health

Obesity

#8 of 8towns on this map, healthiest first
Strawberry19.6%
Mill Valley19.8%
Alto21.8%
6 places to get careNearest ER 3.1 mi

Nearby towns are shaded from CDC's estimates for their ZIP codes, or CDC's own figure for cities and villages.

Getting care

Care in and near Alto

No hospital or community health center in Alto itself. These are the nearest.

HNearest ERMarinhealth Medical CenterGreenbrae · 3.1 miDirections →
★Best rated nearbyKaiser Foundation Hospital★★★★★ · 7.1 miDirections →
+Low-cost careMarin City Health and Wellness Center - Phillips DriveSausalito · 2.3 mi · sliding-scale feesDirections →
2.3 mi
Marin City Health and Wellness Center - Phillips Drive
Sausalito · community health center
Sliding-scale fees
2.8 mi
Marin Community Clinic
6 sites · nearest in Greenbrae
Sliding-scale fees
Directions to nearest
3.1 mi
Marinhealth Medical Center
Greenbrae · ★★★★★
ER
7.1 mi
Kaiser Foundation Hospital
San Rafael · ★★★★★
ER
8.4 mi
Kaiser Foundation Hospital - South San Francisco
South San Francisco · ★★★★★
ER
8.6 mi
San Francisco VA Medical Center
San Francisco · ★★★★★
ERVA
✓ Primary careAlto is not a shortage area
✓ Dental careAlto is not a shortage area
✓ Mental healthAlto is not a shortage area

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 Alto. Shortage areas: HRSA Health Professional Shortage Areas.

All 40 measures for Alto
MeasureAltoMarginCalifornia
Chronic conditions
High blood pressure28.4%24.5–32.2%30.5%about the same
High cholesterol34.4%30.3–38.7%35.4%about the same
Obesity21.8%16.5–27.7%27.8%better
Arthritis22.6%19.6–25.8%20.8%about the same
Depression22.9%19.4–26.5%20.1%about the same
Lost all teeth (65+)4%3.1–5%10.6%better
Asthma10%8.8–11.3%9.3%about the same
Cancer (not skin)8.8%8–9.8%6.4%worse
Diabetes8.3%7–9.7%11.7%better
COPD4.3%3.5–5.4%5.1%about the same
Heart disease4.7%4.1–5.5%5.6%better
Stroke2.5%2.1–2.8%3.1%better
Habits
Smoke cigarettes8.4%6.1–10.8%10.9%better
Binge drink18%14.9–21.3%15.3%about the same
Get no exercise14.9%11.7–18.6%24.6%better
Sleep under 7 hours31.6%25.8–37.3%35.1%about the same
Care & screenings
Yearly checkup72.7%68.6–76.4%71.9%about the same
Dentist visit73.2%70–76.2%62.8%better
Cholesterol check90.1%88.7–91.5%85.4%better
Colon screening64.8%59.6–69.5%57.5%better
Mammogram79.2%72–85%75.7%about the same
Taking BP meds71.7%67.8–75.4%71.3%about the same
No health insurance3.6%2.8–4.7%10.6%better
Mind & connection
Feel lonely28.6%24.4–33.5%37.3%better
Lack emotional support20.3%17–23.8%28.6%better
Frequent mental distress15%12.8–17.1%16.4%about the same
Fair or poor health13.8%11.4–16.6%22.1%better
Frequent physical distress11%9.3–12.8%13.4%better
Everyday needs
Food insecurity7.2%5.4–9.3%17.9%better
Housing insecurity7.3%5.7–9.1%14.9%better
Utility shut-off threat4.3%3.5–5.3%7.3%better
No reliable transportation4.9%4.1–5.9%9.3%better
Receive SNAP6.7%4.9–8.9%15.6%
Disability
Any disability23.3%19.3–27.4%30.4%
Walking or climbing stairs9.7%7.9–11.8%13.8%
Thinking or memory10.6%8.9–12.5%14.6%
Hearing4.9%4.2–5.6%5.9%
Vision3%2.6–3.6%5.6%
Dressing or bathing2.5%2.1–3%3.9%
Errands alone5.5%4.6–6.6%8.1%
About these numbers

How CDC estimates town health

They're modeled estimatesCDC combines a large national health survey with each area's age, sex, race and income mix to estimate local rates. Nobody surveyed Alto door to door.
Close calls stay grayEvery figure has a margin of error. When the California figure falls inside it, we don't call Alto better or worse.
CDC's own town estimateCDC publishes Alto directly, so these are its own figures.

CDC PLACES: Local Data for Better Health, 2025 release. The California figure combines its counties, weighted by adult population.

Health estimates: CDC PLACES. Hospitals and star ratings: Medicare Care Compare (CMS). Health centers and shortage areas: HRSA. Town boundaries: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/19 · 2025-01-01