St. Charles County Health Data
St. Charles County, Missouri
CDC County Health RankingsHealth Score
86/100
Excellent
Life Expectancy
79.1 yr
Uninsured Rate
6.2%
Health Statistics
Life Expectancy
79.1 yr
State avg 74.3 yr
National avg 77.5 yr
Uninsured Rate
6.2%
State avg 12.5%
National avg 9%
Primary Care Providers
47
per 100K population
National avg 82
Mental Health Providers
235
per 100K population
National avg 350
Poor / Fair Health
14.2%
State avg 20.4%
National avg 19.6%
Healthcare Access
Primary Care Physicians
7.8
per 100K residentsCDC: 46.8 per 100K
Dentists
2.9
per 100K residents
Nurse Practitioners & PAs
6.1
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. Charles County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | St. Charles | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 35.5% | 39.0% | 37.6% | 3.5 pts better than state |
| Diabetes | 8.8% | 11.0% | 11.2% | 2.2 pts better than state |
| High Blood Pressure | 28.4% | 34.0% | 33.5% | 5.6 pts better than state |
| Depression | 23.5% | 26.4% | 24.1% | 2.9 pts better than state |
Health-risk behaviors
| Measure | St. Charles | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 12.2% | 19.4% | 16.3% | 7.2 pts better than state |
| Binge Drinking | 20.2% | 17.5% | 17.8% | 2.7 pts worse than state |
| Physical Inactivity | 22.2% | 31.0% | 27.0% | 8.8 pts better than state |
Preventive-care uptake
| Measure | St. Charles | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 76.3% | 75.8% | 74.9% | near state average |
| Dental Visit (past year) | 65.6% | 55.4% | 57.3% | 10.2 pts better than state |
| Mammography (women 50–74) | 77.4% | 71.9% | 73.3% | 5.5 pts better than state |
Daily-life impact
| Measure | St. Charles | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 16.1% | 19.8% | 18.6% | 3.7 pts better than state |
| Short Sleep Duration | 40.6% | 39.4% | 37.3% | 1.2 pts worse than state |
These rates are part of the CDC PLACES survey. Compare St. Charles County nationally on dental visit (past year).
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
St. Charles County Reports Uninsured Rate of 6.2 Percent
Health data brief for St. Charles County, Missouri.
The uninsured rate in St. Charles County is 6.2%, which is about half of the Missouri average of 12.5% and lower than the national 10% average. Residents here have a life expectancy of 79.1 years, exceeding both the state average of 74.3 years and the national 77-year benchmark. Regarding clinical access, the county has 47 primary care providers and 235 mental health providers per 100,000 residents, compared to national medians of 70 and 250, respectively. Approximately 14.2% of adults report poor or fair health, a lower percentage than the 17% national average. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in St. Charles County, Missouri
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 →Progress West Hospital
ERSsm St Joseph Health Center
ERBarnes-jewish St Peters Hospital
EReHealth Insurance
Compare health insurance plans from top carriers for St. Charles County residents.
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Frequently Asked Questions
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Why is St. Charles County healthier than the Missouri average?
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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.