Health Profile of Williamson County, Illinois
Williamson 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
Williamson County Around average
Source: Map AI Methodology
General Health Overview
| Metric | Williamson County | Illinois Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 76.5 | 77.9 | 78.3 |
| Uninsured Population (%) | 4.6% | 6.9% | 8.4% |
| Self-Rated Poor Health | 14.9% | 15.6% | 16.3% |
Life expectancy in Williamson County is 76.5 years, about 1.4 years shorter than the Illinois average of 77.9 years. The uninsured rate is 4.6%, lower than the Illinois average of 6.9%. Self-rated poor health is reported by 14.9% of residents, lower than the Illinois average of 15.6%.
Population by Age
Older residents
25,836 residents in Williamson County are age 50 or older.
- 85+ 1,326 398 men · 928 women
- 75–84 4,095 1,803 men · 2,291 women
- 65–74 7,277 3,458 men · 3,818 women
- 50–64 13,139 6,534 men · 6,605 women
Younger residents
13,556 residents in Williamson County are age 17 or younger.
- 12–17 4,295 2,288 boys · 2,007 girls
- 7–12 4,086 2,100 boys · 1,986 girls
- 3–7 3,011 1,530 boys · 1,481 girls
- 0–3 2,164 1,132 boys · 1,032 girls
About 4,690 residents in Williamson County (7.0% of the population) are older than the area's life expectancy of 76.5 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Williamson County | Illinois Avg | US Average |
|---|---|---|---|
| Diabetes | 10.4% | 10.7% | 11.3% |
| Cancer | 7.0% | 7.1% | 6.9% |
| Heart Diseases | 6.8% | 7.1% | 7.1% |
| Adult Obesity | 33.7% | 36.1% | 34.3% |
On average, diseases in Williamson County are about the same as in Illinois.
Health Behaviors
| Behavior | Williamson County | Illinois Avg | US Average |
|---|---|---|---|
| Smokers | 18.8% | 19.2% | 19.0% |
| Binge Drinking | 15.0% | 14.9% | 16.5% |
| Sedentary Lifestyle | 24.9% | 26.3% | 25.1% |
On average, health behaviors in Williamson County are about the same as in Illinois.
Assuming each smoker smokes 10 cigarettes a day, that's about 98,943 cigarettes a day, 3.0 million a month, or 36.1 million a year! At 11 minutes* of life lost per cigarette, that's about 1.1 million minutes a day and 397.3 million a year lost to smoking overall - and since life expectancy in Williamson County is 76.5 years, that's roughly equivalent to 0.03 lifetimes a day, or 9.88 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 | Williamson County | Illinois Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 7.78 | 7.63 | 6.09 |
With an annual average of 7.8 µg/m³ of fine particulate matter (PM2.5), air quality in Williamson County is good — generally safe air quality for the vast majority of residents.
Williamson County, IL Health Compared With Nearby Counties
Williamson County, IL is the largest of the 6 counties compared here, 66,874 residents against a local median of 23,213. The measure that sets Williamson County, IL apart most is uninsured: 4.6%, 28% below the local median of 6.4%. That is the better end of the local range on this measure.
The counties themselves spread 2.7% on uninsured, so Williamson County, IL sits at one end of an already wide local range rather than apart from it. Williamson County, IL has the lowest uninsured of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Williamson County, IL | 66,874 | 76.5 yrs #3/6 | 4.6% #1/6 | 33.7% #1/6 |
| Franklin County, IL | 37,318 | 75.3 yrs | 7.3% | 37.6% |
| Johnson County, IL | 13,376 | 77.4 yrs | 8.1% | 41.1% |
| Saline County, IL | 23,213 | 74.1 yrs | 5.4% | 36.8% |
| Union County, IL | 16,997 | 76.7 yrs | 6.4% | 36.6% |
| Jackson County, IL | 53,061 | 76.5 yrs | 6.3% | 36.6% |
Conclusion
Considering all these factors, Williamson 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 Williamson County, Illinois.
What is the health grade for Williamson County, Illinois?
Williamson 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 Williamson County, Illinois one of the healthiest counties in Illinois?
Williamson County ranks 47th 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 average lifespan in Williamson County, Illinois?
People in Williamson County, Illinois can expect to live 76.5 years on average, 1.4 years shorter than the Illinois average of 77.9.
What percentage of Williamson County, Illinois residents are uninsured?
4.6% of residents in Williamson County, Illinois have no health insurance, about 1 in 22 people, 2.2 points below the Illinois rate of 6.9%.
What percentage of Williamson County, Illinois residents are obese?
33.7% of adults in Williamson County, Illinois are classified as obese, about 1 in 3, 2.4 points below the Illinois rate of 36.1%.
How many cigarettes do smokers in Williamson County, Illinois go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 98,943 cigarettes a day, 3.0 million a month, or 36.1 million a year! At 11 minutes* of life lost per cigarette, that's about 1.1 million minutes a day and 397.3 million a year lost to smoking overall - and since life expectancy in Williamson County is 76.5 years, that's roughly equivalent to 0.03 lifetimes a day, or 9.88 lifetimes a year.
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