Health Profile of St. Clair County, Michigan
St. Clair 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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B
St. Clair County Around average
Source: Map AI Methodology
General Health Overview
| Metric | St. Clair County | Michigan Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 76.2 | 78.3 | 78.3 |
| Uninsured Population (%) | 4.9% | 4.9% | 8.4% |
| Self-Rated Poor Health | 15.2% | 16.4% | 16.3% |
Life expectancy in St. Clair County is 76.2 years, about 2.2 years shorter than the Michigan average of 78.3 years. The uninsured rate is 4.9%, lower than the Michigan average of 4.9%. Self-rated poor health is reported by 15.2% of residents, lower than the Michigan average of 16.4%.
Population by Age
Older residents
65,715 residents in St. Clair County are age 50 or older.
- 85+ 3,412 1,244 men · 2,168 women
- 75–84 8,646 3,810 men · 4,836 women
- 65–74 17,334 8,417 men · 8,917 women
- 50–64 36,324 18,515 men · 17,808 women
Younger residents
31,077 residents in St. Clair County are age 17 or younger.
- 12–17 10,428 5,452 boys · 4,976 girls
- 7–12 9,252 4,718 boys · 4,534 girls
- 3–7 6,631 3,321 boys · 3,310 girls
- 0–3 4,766 2,401 boys · 2,365 girls
About 10,816 residents in St. Clair County (6.8% of the population) are older than the area's life expectancy of 76.2 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | St. Clair County | Michigan Avg | US Average |
|---|---|---|---|
| Diabetes | 11.2% | 12.1% | 11.3% |
| Cancer | 7.1% | 7.5% | 6.9% |
| Heart Diseases | 7.1% | 7.8% | 7.1% |
| Adult Obesity | 37.6% | 37.7% | 34.3% |
On average, diseases in St. Clair County are about the same as in Michigan.
Health Behaviors
| Behavior | St. Clair County | Michigan Avg | US Average |
|---|---|---|---|
| Smokers | 21.4% | 20.9% | 19.0% |
| Binge Drinking | 19.2% | 18.1% | 16.5% |
| Sedentary Lifestyle | 21.0% | 22.6% | 25.1% |
On average, health behaviors in St. Clair County are about the same as in Michigan.
Assuming each smoker smokes 10 cigarettes a day, that's about 273,469 cigarettes a day, 8.2 million a month, or 99.8 million a year! At 11 minutes* of life lost per cigarette, that's about 3.0 million minutes a day and 1.1 billion a year lost to smoking overall - and since life expectancy in St. Clair County is 76.2 years, that's roughly equivalent to 0.08 lifetimes a day, or 27 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 | St. Clair County | Michigan Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 6.55 | 5.89 | 6.09 |
With an annual average of 6.5 µg/m³ of fine particulate matter (PM2.5), air quality in St. Clair County is good — generally safe air quality for the vast majority of residents.
St. Clair County, MI Health Compared With Nearby Counties
St. Clair County, MI is the 4th largest of the 6 counties compared here, 160,218 residents against a local median of 879,566. There is no headline here. Every measure below sits within 15% of the median across the nearest counties, which makes St. Clair County, MI an unremarkable member of its own neighbourhood rather than an outlier in it.
The largest of those small differences is life expectancy, 2% below the local median at 76.2 yrs against 78.0 yrs. St. Clair County, MI has the 5th highest life expectancy of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| St. Clair County, MI | 160,218 | 76.2 yrs #5/6 | 4.9% #4/6 | 37.6% #3/6 |
| Macomb County, MI | 879,566 | 77.1 yrs | 4.9% | 37.2% |
| Sanilac County, MI | 40,462 | 78.7 yrs | 7.8% | 38.2% |
| Lapeer County, MI | 88,837 | 78.0 yrs | 4.8% | 39.8% |
| Oakland County, MI | 1,277,811 | 79.0 yrs | 3.8% | 33.1% |
| Wayne County, MI | 1,771,784 | 74.6 yrs | 5.6% | 40.7% |
Conclusion
Considering all these factors, St. Clair County, Michigan has an overall health index grade of B, making it somewhat better than Michigan, and somewhat better than the country as a whole.
Frequently Asked Questions
Common questions about health in St. Clair County, Michigan.
What is the health grade for St. Clair County, Michigan?
St. Clair County, Michigan has a Map AI Health Index grade of B, based on life expectancy, disease rates, healthcare access, and the physical environment; a B grade means residents are somewhat healthier than the U.S. average.
Is St. Clair County, Michigan one of the healthiest counties in Michigan?
St. Clair County ranks 35th healthiest out of 83 counties in Michigan by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.
What is the life expectancy in St. Clair County, Michigan?
People in St. Clair County, Michigan can expect to live 76.2 years on average, 2.2 years shorter than the Michigan average of 78.3.
What is the uninsured rate in St. Clair County, Michigan?
4.9% of residents in St. Clair County, Michigan have no health insurance, about 1 in 21 people, about the same as the Michigan rate of 4.9%.
What is the obesity rate in St. Clair County, Michigan?
37.6% of adults in St. Clair County, Michigan are classified as obese, about 1 in 3, about the same as the Michigan rate of 37.7%.
How many cigarettes do smokers in St. Clair County, Michigan go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 273,469 cigarettes a day, 8.2 million a month, or 99.8 million a year! At 11 minutes* of life lost per cigarette, that's about 3.0 million minutes a day and 1.1 billion a year lost to smoking overall - and since life expectancy in St. Clair County is 76.2 years, that's roughly equivalent to 0.08 lifetimes a day, or 27 lifetimes a year.
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