Health Profile of Knox County, Illinois
Knox 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
Knox County Around averageLess healthy than 82% of counties in Illinois
Source: Map AI Methodology
General Health Overview
| Metric | Knox County | Illinois Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 76.3 | 77.9 | 78.3 |
| Uninsured Population (%) | 5.0% | 6.9% | 8.4% |
| Self-Rated Poor Health | 17.6% | 15.6% | 16.3% |
Life expectancy in Knox County is 76.3 years, about 1.6 years shorter than the Illinois average of 77.9 years. The uninsured rate is 5.0%, lower than the Illinois average of 6.9%. Self-rated poor health is reported by 17.6% of residents, higher than the Illinois average of 15.6%.
Population by Age
Older residents
20,182 residents in Knox County are age 50 or older.
- 85+ 1,302 401 men · 901 women
- 75–84 3,367 1,534 men · 1,833 women
- 65–74 5,804 2,683 men · 3,121 women
- 50–64 9,709 4,834 men · 4,875 women
Younger residents
9,431 residents in Knox County are age 17 or younger.
- 12–17 2,782 1,438 boys · 1,343 girls
- 7–12 2,780 1,349 boys · 1,431 girls
- 3–7 2,229 1,100 boys · 1,129 girls
- 0–3 1,639 879 boys · 760 girls
About 4,139 residents in Knox County (8.4% of the population) are older than the area's life expectancy of 76.3 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Knox County | Illinois Avg | US Average |
|---|---|---|---|
| Diabetes | 11.9% | 10.7% | 11.3% |
| Cancer | 7.4% | 7.1% | 6.9% |
| Heart Diseases | 7.8% | 7.1% | 7.1% |
| Adult Obesity | 36.9% | 36.1% | 34.3% |
On average, diseases in Knox County are about the same as in Illinois.
Health Behaviors
| Behavior | Knox County | Illinois Avg | US Average |
|---|---|---|---|
| Smokers | 20.5% | 19.2% | 19.0% |
| Binge Drinking | 13.9% | 14.9% | 16.5% |
| Sedentary Lifestyle | 28.4% | 26.3% | 25.1% |
On average, health behaviors in Knox County are about the same as in Illinois.
Assuming each smoker smokes 10 cigarettes a day, that's about 80,206 cigarettes a day, 2.4 million a month, or 29.3 million a year! At 11 minutes* of life lost per cigarette, that's about 882,270 minutes a day and 322.0 million a year lost to smoking overall - and since life expectancy in Knox County is 76.3 years, that's roughly equivalent to 0.02 lifetimes a day, or 8.03 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 | Knox County | Illinois Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 7.37 | 7.63 | 6.09 |
With an annual average of 7.4 µg/m³ of fine particulate matter (PM2.5), air quality in Knox County is good — generally safe air quality for the vast majority of residents.
Knox County, IL Health Compared With Nearby Counties
Knox County, IL is the 2nd largest of the 6 counties compared here, 49,044 residents against a local median of 33,018. Nothing separates Knox County, IL 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 life expectancy, 3% below the local median at 76.3 yrs against 78.8 yrs. Knox County, IL has the 6th highest life expectancy of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Knox County, IL | 49,044 | 76.3 yrs #6/6 | 5.0% #4/6 | 36.9% #6/6 |
| Warren County, IL | 16,447 | 79.2 yrs | 5.0% | 34.7% |
| Henry County, IL | 48,639 | 78.8 yrs | 4.0% | 34.8% |
| Stark County, IL | 5,307 | 80.7 yrs | 5.8% | 36.1% |
| Fulton County, IL | 33,018 | 77.8 yrs | 3.7% | 36.7% |
| Peoria County, IL | 179,437 | 76.8 yrs | 5.8% | 36.8% |
Conclusion
Considering all these factors, Knox County, Illinois has an overall health index grade of B, making it somewhat better than Illinois, and somewhat better than the country as a whole.
Frequently Asked Questions
Common questions about health in Knox County, Illinois.
What is the health grade for Knox County, Illinois?
Knox County, Illinois 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 Knox County, Illinois one of the healthiest counties in Illinois?
Knox County ranks 84th healthiest out of 102 counties in Illinois by the Map AI Health Index, which measures life expectancy, disease rates, healthcare access, and the physical environment.
What is the life expectancy in Knox County, Illinois?
People in Knox County, Illinois can expect to live 76.3 years on average, 1.6 years shorter than the Illinois average of 77.9.
What percentage of Knox County, Illinois residents are uninsured?
5.0% of residents in Knox County, Illinois have no health insurance, about 1 in 20 people, 1.8 points below the Illinois rate of 6.9%.
What is the obesity rate in Knox County, Illinois?
36.9% of adults in Knox County, Illinois are classified as obese, about 1 in 3, 0.8 points above the Illinois rate of 36.1%.
How many cigarettes do smokers in Knox County, Illinois go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 80,206 cigarettes a day, 2.4 million a month, or 29.3 million a year! At 11 minutes* of life lost per cigarette, that's about 882,270 minutes a day and 322.0 million a year lost to smoking overall - and since life expectancy in Knox County is 76.3 years, that's roughly equivalent to 0.02 lifetimes a day, or 8.03 lifetimes a year.
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