Lewis and Clark County Health Data
Lewis and Clark County, Montana
CDC County Health RankingsHealth Score
76/100
Excellent
Life Expectancy
78.3 yr
Uninsured Rate
9.5%
Health Statistics
Life Expectancy
78.3 yr
State avg 76.3 yr
National avg 77.5 yr
Uninsured Rate
9.5%
State avg 11.9%
National avg 9%
Primary Care Providers
94
per 100K population
National avg 82
Mental Health Providers
591
per 100K population
National avg 350
Poor / Fair Health
12.0%
State avg 17.2%
National avg 19.6%
Healthcare Access
Primary Care Physicians
16.5
per 100K residentsCDC: 94.2 per 100K
Dentists
1.4
per 100K residents
Nurse Practitioners & PAs
22.0
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 Lewis and Clark County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Lewis and Clark | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 30.8% | 33.5% | 37.6% | 2.7 pts better than state |
| Diabetes | 7.5% | 9.0% | 11.2% | 1.5 pts better than state |
| High Blood Pressure | 25.9% | 29.5% | 33.5% | 3.6 pts better than state |
| Depression | 27.0% | 25.5% | 24.1% | 1.5 pts worse than state |
Health-risk behaviors
| Measure | Lewis and Clark | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 12.2% | 16.0% | 16.3% | 3.8 pts better than state |
| Binge Drinking | 22.0% | 22.2% | 17.8% | near state average |
| Physical Inactivity | 17.3% | 22.1% | 27.0% | 4.8 pts better than state |
Preventive-care uptake
| Measure | Lewis and Clark | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 71.7% | 68.4% | 74.9% | 3.3 pts better than state |
| Dental Visit (past year) | 70.8% | 60.1% | 57.3% | 10.7 pts better than state |
| Mammography (women 50–74) | 76.5% | 71.9% | 73.3% | 4.6 pts better than state |
Daily-life impact
| Measure | Lewis and Clark | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 18.1% | 19.2% | 18.6% | 1.1 pts better than state |
| Short Sleep Duration | 28.1% | 33.4% | 37.3% | 5.3 pts better than state |
These rates are part of the CDC PLACES survey. Compare Lewis and Clark 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
High Concentration of Mental Health Providers in Lewis and Clark County
Health data brief for Lewis and Clark County, Montana.
Lewis and Clark County reports a mental health provider ratio of 591 per 100,000 residents, a figure more than double the national median of 250 per 100,000. Access to primary care also exceeds national benchmarks, with 94 providers per 100,000 compared to the national median of 70. In terms of population longevity, the county life expectancy of 78.3 years sits above the Montana state average of 76.3 years and the national average of 77 years. The uninsured rate stands at 9.5%, which is lower than the statewide average of 11.9% and slightly below the national 10% mark. Adult residents report a poor or fair health rate of 12.0%, which is notably lower than the national average of 17%. These statistics indicate a higher density of medical providers and lower uninsured rates for the county relative to broader state and federal levels. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Lewis and Clark County, Montana
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 →Va Montana Healthcare System
ERSt Peters Health
ERShodair Children's Hospital
eHealth Insurance
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Frequently Asked Questions
What is the health ranking of Lewis and Clark County, MT?
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How does Lewis and Clark County health compare to the Montana average?
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Why is Lewis and Clark County healthier than the Montana 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.