Health Profile of Lewis and Clark County, Montana
Lewis and Clark County Health Score
The Map AI Health Index is a score that reflects local life expectancy, disease rates, healthcare access, and physical environment to help you quickly compare the overall health and well-being of different areas.
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B
Lewis and Clark County Around averageAmong the top 5 healthiest counties in Montana
Source: Map AI Methodology
General Health Overview
| Metric | Lewis and Clark County | Montana Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 79.3 | 79.0 | 78.3 |
| Uninsured Population (%) | 5.7% | 8.6% | 8.4% |
| Self-Rated Poor Health | 11.6% | 14.7% | 16.3% |
Life expectancy in Lewis and Clark County is 79.3 years, about 0.3 years longer than the Montana average of 79.0 years. The uninsured rate is 5.7%, lower than the Montana average of 8.6%. Self-rated poor health is reported by 11.6% of residents, lower than the Montana average of 14.7%.
Population by Age
Older residents
27,960 residents in Lewis and Clark County are age 50 or older.
- 85+ 1,179 353 men · 826 women
- 75–84 3,722 1,736 men · 1,986 women
- 65–74 7,829 3,907 men · 3,921 women
- 50–64 15,231 7,324 men · 7,907 women
Younger residents
15,240 residents in Lewis and Clark County are age 17 or younger.
- 12–17 4,795 2,516 boys · 2,279 girls
- 7–12 4,557 2,361 boys · 2,196 girls
- 3–7 3,416 1,787 boys · 1,629 girls
- 0–3 2,473 1,328 boys · 1,145 girls
About 2,991 residents in Lewis and Clark County (4.1% of the population) are older than the area's life expectancy of 79.3 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Lewis and Clark County | Montana Avg | US Average |
|---|---|---|---|
| Diabetes | 8.8% | 10.8% | 11.3% |
| Cancer | 6.8% | 7.7% | 6.9% |
| Heart Diseases | 5.8% | 7.6% | 7.1% |
| Adult Obesity | 29.3% | 31.4% | 34.3% |
The rate of heart disease in Lewis and Clark County is about 24% lower than in Montana. The rate of diabetes in Lewis and Clark County is about 18% lower than in Montana.
Health Behaviors
| Behavior | Lewis and Clark County | Montana Avg | US Average |
|---|---|---|---|
| Smokers | 15.2% | 18.8% | 19.0% |
| Binge Drinking | 21.0% | 19.9% | 16.5% |
| Sedentary Lifestyle | 18.4% | 22.5% | 25.1% |
The rate of smoking in Lewis and Clark County is about 19% lower than in Montana. The rate of sedentary lifestyle in Lewis and Clark County is about 18% lower than in Montana.
Assuming each smoker smokes 10 cigarettes a day, that's about 87,716 cigarettes a day, 2.6 million a month, or 32.0 million a year! At 11 minutes* of life lost per cigarette, that's about 964,872 minutes a day and 352.2 million a year lost to smoking overall - and since life expectancy in Lewis and Clark County is 79.3 years, that's roughly equivalent to 0.02 lifetimes a day, or 8.45 lifetimes a year.
* Source: Shaw M, Mitchell R, Dorling D. "Time for a smoke? One cigarette reduces your life by 11 minutes." BMJ. 2000;320:53.
Illustrative only. This is not an estimate of how many people actually die from smoking each day or year - it's a rough, order-of-magnitude comparison meant to help grasp the scale of smoking in this area. We take no responsibility for any decisions made based on this figure.
Air Quality
| Metric | Lewis and Clark County | Montana Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 3.54 | 4.05 | 6.09 |
With an annual average of 3.5 µg/m³ of fine particulate matter (PM2.5), air quality in Lewis and Clark County is very good — well within WHO health guidelines, with minimal health risk from air pollution.
Lewis and Clark County, MT Health Compared With Nearby Counties
Lewis and Clark County, MT is the 2nd largest of the 6 counties compared here, 73,430 residents against a local median of 7,053. Nothing separates Lewis and Clark County, MT sharply from the counties around it. Each measure below lands within 15% of the local median, close enough that the differences are within what survey sampling alone would produce.
The largest of those small differences is uninsured, 12% below the local median at 5.7% against 6.4%. Lewis and Clark County, MT has the 2nd lowest uninsured of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Lewis and Clark County, MT | 73,430 | 79.3 yrs #3/6 | 5.7% #2/6 | 29.3% #1/6 |
| Powell County, MT | 7,053 | 78.0 yrs | 6.4% | 32.4% |
| Teton County, MT | 6,353 | 83.8 yrs | 5.4% | 29.8% |
| Jefferson County, MT | 12,778 | 79.8 yrs | 5.8% | 29.8% |
| Cascade County, MT | 84,603 | 76.9 yrs | 7.0% | 35.0% |
| Pondera County, MT | 6,035 | 78.7 yrs | 8.2% | 32.8% |
Conclusion
Considering all these factors, Lewis and Clark County, Montana has an overall health index grade of B, making it somewhat better than Montana, and somewhat better than the country as a whole.
Frequently Asked Questions
Common questions about health in Lewis and Clark County, Montana.
What is the health grade for Lewis and Clark County, Montana?
Lewis and Clark County, Montana has a Map AI Health Index grade of B, based on life expectancy, disease rates, healthcare access, and the physical environment; a B grade means residents are somewhat healthier than the U.S. average.
Is Lewis and Clark County, Montana one of the healthiest counties in Montana?
Lewis and Clark County ranks 5th healthiest out of 53 counties in Montana by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.
How long do people live in Lewis and Clark County, Montana?
People in Lewis and Clark County, Montana can expect to live 79.3 years on average, about the same as the Montana average of 79.0.
What is the uninsured rate in Lewis and Clark County, Montana?
5.7% of residents in Lewis and Clark County, Montana have no health insurance, about 1 in 18 people, 2.9 points below the Montana rate of 8.6%.
How common is obesity in Lewis and Clark County, Montana?
29.3% of adults in Lewis and Clark County, Montana are classified as obese, about 1 in 3, 2.1 points below the Montana rate of 31.4%.
How many cigarettes do smokers in Lewis and Clark County, Montana go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 87,716 cigarettes a day, 2.6 million a month, or 32.0 million a year! At 11 minutes* of life lost per cigarette, that's about 964,872 minutes a day and 352.2 million a year lost to smoking overall - and since life expectancy in Lewis and Clark County is 79.3 years, that's roughly equivalent to 0.02 lifetimes a day, or 8.45 lifetimes a year.
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