St. Louis County Health Data
St. Louis County, Missouri
CDC County Health RankingsHealth Score
66/100
Average
Life Expectancy
76.3 yr
Uninsured Rate
7.3%
Health Statistics
Life Expectancy
76.3 yr
State avg 74.3 yr
National avg 77.5 yr
Uninsured Rate
7.3%
State avg 12.5%
National avg 9%
Primary Care Providers
121
per 100K population
National avg 82
Mental Health Providers
384
per 100K population
National avg 350
Poor / Fair Health
17.1%
State avg 20.4%
National avg 19.6%
Healthcare Access
Primary Care Physicians
23.0
per 100K residentsCDC: 121.4 per 100K
Dentists
7.7
per 100K residents
Nurse Practitioners & PAs
9.6
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. Louis County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | St. Louis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 31.5% | 39.0% | 37.6% | 7.5 pts better than state |
| Diabetes | 9.6% | 11.0% | 11.2% | 1.4 pts better than state |
| High Blood Pressure | 32.5% | 34.0% | 33.5% | 1.5 pts better than state |
| Depression | 23.6% | 26.4% | 24.1% | 2.8 pts better than state |
Health-risk behaviors
| Measure | St. Louis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 13.6% | 19.4% | 16.3% | 5.8 pts better than state |
| Binge Drinking | 17.8% | 17.5% | 17.8% | near state average |
| Physical Inactivity | 24.2% | 31.0% | 27.0% | 6.8 pts better than state |
Preventive-care uptake
| Measure | St. Louis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 77.3% | 75.8% | 74.9% | 1.5 pts better than state |
| Dental Visit (past year) | 62.2% | 55.4% | 57.3% | 6.8 pts better than state |
| Mammography (women 50–74) | 76.8% | 71.9% | 73.3% | 4.9 pts better than state |
Daily-life impact
| Measure | St. Louis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 17.1% | 19.8% | 18.6% | 2.7 pts better than state |
| Short Sleep Duration | 35.0% | 39.4% | 37.3% | 4.4 pts better than state |
These rates are part of the CDC PLACES survey. Compare St. Louis County nationally on obesity.
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
Primary Care Provider Ratio Hits 121 in St. Louis County
Health data brief for St. Louis County, Missouri.
St. Louis County reports 121 primary care providers per 100,000 residents, which is higher than the national median of 70 per 100,000. The ratio of mental health providers is 384 per 100,000, also exceeding the national median of 250. Life expectancy in the county is 76.3 years, higher than the state average of 74.3 years but lower than the national 77-year mark. The uninsured rate is 7.3%, which is lower than the Missouri average of 12.5% and the national 10%. Roughly 17.1% of residents report poor or fair health, a figure that aligns with the national average of 17%. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in St. Louis 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 →St Louis-john Cochran Va Medical Center
ERMissouri Baptist Medical Center
ERBarnes-jewish West County Hospital
EReHealth Insurance
Compare health insurance plans from top carriers for St. Louis County residents.
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Frequently Asked Questions
What is the health ranking of St. Louis County, MO?
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How does St. Louis County health compare to the Missouri average?
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Why is St. Louis 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.