St. Clair County Health Data
St. Clair County, Michigan
CDC County Health RankingsHealth Score
72/100
Average
Life Expectancy
75.0 yr
Uninsured Rate
4.8%
Health Statistics
Life Expectancy
75.0 yr
State avg 76.3 yr
National avg 77.5 yr
Uninsured Rate
4.8%
State avg 6.4%
National avg 9%
Primary Care Providers
44
per 100K population
National avg 82
Mental Health Providers
285
per 100K population
National avg 350
Poor / Fair Health
16.2%
State avg 16.8%
National avg 19.6%
Healthcare Access
Primary Care Physicians
12.5
per 100K residentsCDC: 43.7 per 100K
Dentists
7.5
per 100K residents
Nurse Practitioners & PAs
3.1
per 100K residents
Provider counts from CMS NPPES (National Provider Identifier Registry). Data current as of 2026.
Chronic Disease & Behavioral Health
These prevalence estimates come from the CDC PLACES program (Population-Level Analysis and Community Estimates), which combines BRFSS survey data with statistical modeling to produce county-level rates. Estimates are age-adjusted to enable fair comparisons across counties with different age distributions. Use them to spot where St. Clair County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | St. Clair | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 36.2% | 38.0% | 37.6% | 1.8 pts better than state |
| Diabetes | 9.5% | 10.1% | 11.2% | 0.6 pts better than state |
| High Blood Pressure | 32.7% | 32.5% | 33.5% | near state average |
| Depression | 28.9% | 28.4% | 24.1% | near state average |
Health-risk behaviors
| Measure | St. Clair | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 16.6% | 16.5% | 16.3% | near state average |
| Binge Drinking | 18.1% | 18.4% | 17.8% | near state average |
| Physical Inactivity | 24.2% | 24.5% | 27.0% | near state average |
Preventive-care uptake
| Measure | St. Clair | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 78.0% | 77.4% | 74.9% | 0.6 pts better than state |
| Dental Visit (past year) | 68.2% | 66.2% | 57.3% | 2.0 pts better than state |
| Mammography (women 50–74) | 71.8% | 75.0% | 73.3% | 3.2 pts worse than state |
Daily-life impact
| Measure | St. Clair | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 20.1% | 19.5% | 18.6% | 0.6 pts worse than state |
| Short Sleep Duration | 36.1% | 34.8% | 37.3% | 1.3 pts worse than state |
These rates are part of the CDC PLACES survey. Compare St. Clair County nationally on mammography (women 50–74).
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
St. Clair County Records Low 4.8 Percent Uninsured Rate
Health data brief for St. Clair County, Michigan.
Only 4.8% of residents in St. Clair County are without health insurance, a rate that is less than half of the 10% national average and lower than the Michigan state rate of 6.4%. Despite the high insurance rate, the county has 44 primary care providers per 100,000 residents, which is below the national median of 70 per 100,000. The mental health provider ratio is 285 per 100,000, which is higher than the national median of 250. Life expectancy for residents is 75.0 years, which is lower than the Michigan state figure of 76.3 years and the national average of 77 years. About 16.2% of residents report poor or fair health, which is just below the national average of 17%. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in St. Clair County, Michigan
Direct contact information for hospitals and community health resources serving this county. Hospital quality ratings come from CMS Care Compare — the federal program that measures hospital performance on safety, patient experience, and outcomes.
Hospitals near you
Compare all on Medicare.gov →Lake Huron Medical Center
ERAscension River District Hospital
EReHealth Insurance
Compare health insurance plans from top carriers for St. Clair County residents.
Compare Plans →HealthMarkets
Licensed agents for health, Medicare, and supplemental insurance in Michigan.
Get a Quote →Sponsored
Frequently Asked Questions
What is the health ranking of St. Clair County, MI?
What is the life expectancy in St. Clair County?
How does St. Clair County health compare to the Michigan average?
What health factors affect St. Clair County?
Is St. Clair County a healthy place to live?
Why is St. Clair County healthier than the Michigan average?
Counties with Similar Health Profile
Data Sources
Health data sourced from the County Health Rankings & Roadmaps, a collaboration between the Robert Wood Johnson Foundation and the University of Wisconsin Population Health Institute.
Data is informational only. Not medical or health advice. Coverage varies by county and reporting year.