Health Profile of Walnut, California
Walnut Health Score
The Map AI Health Index is a score that reflects local life expectancy, disease rates, healthcare access, and physical environment to help you quickly compare the overall health and well-being of different areas.
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A+
Walnut Top grade
Source: Map AI Methodology
General Health Overview
| Metric | Walnut | California Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 83.8 | 79.6 | 78.3 |
| Uninsured Population (%) | 4.0% | 6.6% | 8.4% |
| Self-Rated Poor Health | 10.0% | 16.4% | 16.3% |
Life expectancy in Walnut is 83.8 years, about 4.2 years longer than the California average of 79.6 years. The uninsured rate is 4.0%, lower than the California average of 6.6%. Self-rated poor health is reported by 10.0% of residents, lower than the California average of 16.4%.
Population by Age
Older residents
11,705 residents in Walnut are age 50 or older.
- 85+ 436 168 men · 267 women
- 75–84 1,384 674 men · 710 women
- 65–74 3,425 1,653 men · 1,772 women
- 50–64 6,461 3,054 men · 3,407 women
Younger residents
5,229 residents in Walnut are age 17 or younger.
- 12–17 1,881 1,073 boys · 808 girls
- 7–12 1,649 896 boys · 753 girls
- 3–7 1,037 498 boys · 539 girls
- 0–3 662 314 boys · 348 girls
About 550 residents in Walnut (2.0% of the population) are older than the area's life expectancy of 83.8 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Walnut | California Avg | US Average |
|---|---|---|---|
| Diabetes | 9.5% | 10.5% | 11.3% |
| Cancer | 4.6% | 6.3% | 6.9% |
| Heart Diseases | 4.1% | 6.4% | 7.1% |
| Adult Obesity | 18.4% | 30.6% | 34.3% |
The rate of obesity in Walnut is about 40% lower than in California. The rate of heart disease in Walnut is about 35% lower than in California. The rate of cancer in Walnut is about 27% lower than in California.
Health Behaviors
| Behavior | Walnut | California Avg | US Average |
|---|---|---|---|
| Smokers | 6.7% | 13.9% | 19.0% |
| Binge Drinking | 12.5% | 18.0% | 16.5% |
| Sedentary Lifestyle | 17.3% | 21.9% | 25.1% |
The rate of smoking in Walnut is about 52% lower than in California. The rate of binge drinking in Walnut is about 31% lower than in California. The rate of sedentary lifestyle in Walnut is about 21% lower than in California.
Assuming each smoker smokes 10 cigarettes a day, that's about 15,035 cigarettes a day, 451,043 a month, or 5.5 million a year! At 11 minutes* of life lost per cigarette, that's about 165,383 minutes a day and 60.4 million a year lost to smoking overall - and since life expectancy in Walnut is 83.8 years, that's roughly equivalent to 0.00 lifetimes a day, or 1.37 lifetimes a year.
* Source: Shaw M, Mitchell R, Dorling D. "Time for a smoke? One cigarette reduces your life by 11 minutes." BMJ. 2000;320:53.
Illustrative only. This is not an estimate of how many people actually die from smoking each day or year - it's a rough, order-of-magnitude comparison meant to help grasp the scale of smoking in this area. We take no responsibility for any decisions made based on this figure.
Air Quality
| Metric | Walnut | California Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 12.27 | 7.63 | 6.09 |
With an annual average of 12.3 µg/m³ of fine particulate matter (PM2.5), air quality in Walnut is moderate — acceptable air quality, though unusually sensitive individuals may notice effects.
Walnut, CA Health Compared With Nearby Cities
Walnut, CA is the smallest of the 4 cities compared here, 27,757 residents against a local median of 51,499. The measure that sets Walnut, CA apart most is uninsured: 4.0%, 31% below the local median of 5.9%. That is the better end of the local range on this measure.
Obesity tells the same story from another angle: 18.4% against a local median of 25.5%, 28% below it. Every measure here with a clear better direction points the same way, so Walnut, CA is not trading one advantage for another, it reads stronger than its neighbours across the board. The cities themselves spread 4.1% on uninsured, so Walnut, CA sits at one end of an already wide local range rather than apart from it. Walnut, CA has the 2nd lowest uninsured of the 4 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Walnut, CA | 27,757 | 83.8 yrs #2/4 | 4.0% #2/4 | 18.4% #1/4 |
| Diamond Bar, CA | 46,382 | 84.4 yrs | 3.3% | 19.3% |
| West Covina, CA | 107,398 | 81.9 yrs | 5.9% | 25.5% |
| Covina, CA | 51,499 | 79.6 yrs | 7.4% | 28.4% |
Conclusion
Considering all these factors, Walnut, California has an overall health index grade of A+, making it notably better than California, and far better than the country as a whole.
Frequently Asked Questions
Common questions about health in Walnut, California.
How healthy is Walnut, California?
Walnut, California has a Map AI Health Index grade of A+, based on life expectancy, disease rates, healthcare access, and the physical environment; an A+ grade means residents are among the healthiest and longest-living in the country.
What is the life expectancy in Walnut, California?
People in Walnut, California can expect to live 83.8 years on average, 4.2 years longer than the California average of 79.6.
What percentage of Walnut, California residents are uninsured?
4.0% of residents in Walnut, California have no health insurance, about 1 in 25 people, 2.6 points below the California rate of 6.6%.
What percentage of Walnut, California residents are obese?
18.4% of adults in Walnut, California are classified as obese, about 1 in 5, 12.2 points below the California rate of 30.6%.
How many cigarettes do smokers in Walnut, California go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 15,035 cigarettes a day, 451,043 a month, or 5.5 million a year! At 11 minutes* of life lost per cigarette, that's about 165,383 minutes a day and 60.4 million a year lost to smoking overall - and since life expectancy in Walnut is 83.8 years, that's roughly equivalent to 0.00 lifetimes a day, or 1.37 lifetimes a year.
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