Health Profile of Contra Costa County, California
Contra Costa County 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
Contra Costa County Above averageHealthier than 88% of counties in California
Source: Map AI Methodology
General Health Overview
| Metric | Contra Costa County | California Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 80.8 | 79.6 | 78.3 |
| Uninsured Population (%) | 4.6% | 6.6% | 8.4% |
| Self-Rated Poor Health | 12.9% | 16.4% | 16.3% |
Life expectancy in Contra Costa County is 80.8 years, about 1.2 years longer than the California average of 79.6 years. The uninsured rate is 4.6%, lower than the California average of 6.6%. Self-rated poor health is reported by 12.9% of residents, lower than the California average of 16.4%.
Population by Age
Older residents
412,186 residents in Contra Costa County are age 50 or older.
- 85+ 22,815 8,343 men · 14,472 women
- 75–84 53,414 23,073 men · 30,341 women
- 65–74 102,894 47,533 men · 55,362 women
- 50–64 233,063 115,764 men · 117,299 women
Younger residents
244,656 residents in Contra Costa County are age 17 or younger.
- 12–17 81,912 42,002 boys · 39,909 girls
- 7–12 72,702 36,970 boys · 35,732 girls
- 3–7 52,204 26,484 boys · 25,720 girls
- 0–3 37,839 19,362 boys · 18,477 girls
About 41,444 residents in Contra Costa County (3.6% of the population) are older than the area's life expectancy of 80.8 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Contra Costa County | California Avg | US Average |
|---|---|---|---|
| Diabetes | 9.2% | 10.5% | 11.3% |
| Cancer | 5.9% | 6.3% | 6.9% |
| Heart Diseases | 5.0% | 6.4% | 7.1% |
| Adult Obesity | 28.7% | 30.6% | 34.3% |
The rate of heart disease in Contra Costa County is about 22% lower than in California.
Health Behaviors
| Behavior | Contra Costa County | California Avg | US Average |
|---|---|---|---|
| Smokers | 10.6% | 13.9% | 19.0% |
| Binge Drinking | 17.6% | 18.0% | 16.5% |
| Sedentary Lifestyle | 19.0% | 21.9% | 25.1% |
The rate of smoking in Contra Costa County is about 24% lower than in California.
Assuming each smoker smokes 10 cigarettes a day, that's about 961,826 cigarettes a day, 28.9 million a month, or 351.1 million a year! At 11 minutes* of life lost per cigarette, that's about 10.6 million minutes a day and 3.9 billion a year lost to smoking overall - and since life expectancy in Contra Costa County is 80.8 years, that's roughly equivalent to 0.25 lifetimes a day, or 91 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 | Contra Costa County | California Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 7.75 | 7.63 | 6.09 |
With an annual average of 7.8 µg/m³ of fine particulate matter (PM2.5), air quality in Contra Costa County is good — generally safe air quality for the vast majority of residents.
Contra Costa County, CA Health Compared With Nearby Counties
Contra Costa County, CA is the 2nd largest of the 6 counties compared here, 1,163,035 residents against a local median of 733,246. There is no headline here. Every measure below sits within 15% of the median across the nearest counties, which makes Contra Costa County, CA an unremarkable member of its own neighbourhood rather than an outlier in it.
The largest of those small differences is obesity, 6% above the local median at 28.7% against 27.2%. Contra Costa County, CA has the 4th lowest obesity of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Contra Costa County, CA | 1,163,035 | 80.8 yrs #4/6 | 4.6% #3/6 | 28.7% #4/6 |
| Alameda County, CA | 1,648,382 | 80.8 yrs | 4.0% | 25.3% |
| Solano County, CA | 451,581 | 78.8 yrs | 4.8% | 30.4% |
| San Mateo County, CA | 733,246 | 82.7 yrs | 3.8% | 21.9% |
| San Joaquin County, CA | 797,313 | 77.4 yrs | 6.3% | 30.8% |
| Napa County, CA | 134,769 | 81.3 yrs | 5.7% | 27.2% |
Conclusion
Considering all these factors, Contra Costa County, California has an overall health index grade of A, making it somewhat better than California, and notably better than the country as a whole.
Frequently Asked Questions
Common questions about health in Contra Costa County, California.
Is Contra Costa County, California a healthy place to live?
Contra Costa County, 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 much healthier than the U.S. average.
Is Contra Costa County, California one of the healthiest counties in California?
Contra Costa County ranks 8th healthiest out of 58 counties in California by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.
What is the life expectancy in Contra Costa County, California?
People in Contra Costa County, California can expect to live 80.8 years on average, 1.2 years longer than the California average of 79.6.
What is the uninsured rate in Contra Costa County, California?
4.6% of residents in Contra Costa County, California have no health insurance, about 1 in 22 people, 2.0 points below the California rate of 6.6%.
What is the obesity rate in Contra Costa County, California?
28.7% of adults in Contra Costa County, California are classified as obese, about 1 in 3, 1.9 points below the California rate of 30.6%.
How many cigarettes do smokers in Contra Costa County, California go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 961,826 cigarettes a day, 28.9 million a month, or 351.1 million a year! At 11 minutes* of life lost per cigarette, that's about 10.6 million minutes a day and 3.9 billion a year lost to smoking overall - and since life expectancy in Contra Costa County is 80.8 years, that's roughly equivalent to 0.25 lifetimes a day, or 91 lifetimes a year.
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