Lewis County Health Data
Lewis County, Idaho
CDC County Health RankingsHealth Score
38/100
Below Avg
Life Expectancy
73.4 yr
Uninsured Rate
11.3%
Health Statistics
Life Expectancy
73.4 yr
State avg 77.5 yr
National avg 77.5 yr
Uninsured Rate
11.3%
State avg 11.7%
National avg 9%
Primary Care Providers
27
per 100K population
National avg 82
Mental Health Providers
134
per 100K population
National avg 350
Poor / Fair Health
19.4%
State avg 17.7%
National avg 19.6%
Healthcare Access
Primary Care Physicians
82.2
per 100K residentsCDC: 26.9 per 100K
Dentists
27.4
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 County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Lewis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 35.5% | 33.5% | 37.6% | 2.0 pts worse than state |
| Diabetes | 10.5% | 9.5% | 11.2% | 1.0 pts worse than state |
| High Blood Pressure | 32.2% | 29.4% | 33.5% | 2.8 pts worse than state |
| Depression | 24.5% | 23.4% | 24.1% | 1.1 pts worse than state |
Health-risk behaviors
| Measure | Lewis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 16.5% | 13.9% | 16.3% | 2.6 pts worse than state |
| Binge Drinking | 15.3% | 16.2% | 17.8% | 0.9 pts better than state |
| Physical Inactivity | 26.7% | 23.9% | 27.0% | 2.8 pts worse than state |
Preventive-care uptake
| Measure | Lewis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 71.3% | 71.4% | 74.9% | near state average |
| Dental Visit (past year) | 58.6% | 63.0% | 57.3% | 4.4 pts worse than state |
| Mammography (women 50–74) | 67.8% | 66.8% | 73.3% | 1.0 pts better than state |
Daily-life impact
| Measure | Lewis | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 18.8% | 17.4% | 18.6% | 1.4 pts worse than state |
| Short Sleep Duration | 36.4% | 33.8% | 37.3% | 2.6 pts worse than state |
These rates are part of the CDC PLACES survey. Compare Lewis 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
Lewis County Life Expectancy Records Significant Deviation from National Average
Health data brief for Lewis County, Idaho.
The life expectancy in Lewis County is 73.4 years, which is several years lower than the Idaho state average of 77.5 years and the national average of 77 years. This is the county's most distinctive health metric. Further data indicates that 19.4% of residents report being in poor or fair health, compared to the national average of 17%. The uninsured rate for the county is 11.3%, slightly lower than the state average of 11.7% but above the national average of 10%. In terms of healthcare access, the primary care provider ratio is 27 per 100,000 residents, and the mental health provider ratio is 134 per 100,000. These are lower than the national medians of 70 and 250 per 100,000, respectively. These figures are reported from federal health and census records. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Lewis County, Idaho
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
No CMS Care Compare hospital is located in Lewis County.
This is common in low-population rural counties. Residents typically travel to a hospital in a neighboring county or larger metro. Use Medicare.gov Care Compare to find rated hospitals statewide or contact a federally-funded community health center for primary and preventive care.
eHealth Insurance
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Frequently Asked Questions
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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.