Health Profile of Johnson County, Illinois
Johnson 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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C
Johnson County Below averageAmong the 5 least healthy counties in Illinois
Source: Map AI Methodology
General Health Overview
| Metric | Johnson County | Illinois Avg | US Average |
|---|---|---|---|
| Life Expectancy (years) | 77.4 | 77.9 | 78.3 |
| Uninsured Population (%) | 8.1% | 6.9% | 8.4% |
| Self-Rated Poor Health | 22.5% | 15.6% | 16.3% |
Life expectancy in Johnson County is 77.4 years, about 0.5 years shorter than the Illinois average of 77.9 years. The uninsured rate is 8.1%, higher than the Illinois average of 6.9%. Self-rated poor health is reported by 22.5% of residents, higher than the Illinois average of 15.6%.
Population by Age
Older residents
5,187 residents in Johnson County are age 50 or older.
- 85+ 321 134 men · 186 women
- 75–84 712 356 men · 355 women
- 65–74 1,502 775 men · 727 women
- 50–64 2,653 1,443 men · 1,210 women
Younger residents
2,366 residents in Johnson County are age 17 or younger.
- 12–17 792 440 boys · 352 girls
- 7–12 731 367 boys · 364 girls
- 3–7 496 231 boys · 266 girls
- 0–3 348 174 boys · 174 girls
About 802 residents in Johnson County (6.0% of the population) are older than the area's life expectancy of 77.4 years.
The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.
Disease Prevalence
| Disease / Condition | Johnson County | Illinois Avg | US Average |
|---|---|---|---|
| Diabetes | 12.9% | 10.7% | 11.3% |
| Cancer | 6.5% | 7.1% | 6.9% |
| Heart Diseases | 7.7% | 7.1% | 7.1% |
| Adult Obesity | 41.1% | 36.1% | 34.3% |
The rate of diabetes in Johnson County is about 20% higher than in Illinois.
Health Behaviors
| Behavior | Johnson County | Illinois Avg | US Average |
|---|---|---|---|
| Smokers | 26.2% | 19.2% | 19.0% |
| Binge Drinking | 14.6% | 14.9% | 16.5% |
| Sedentary Lifestyle | 32.0% | 26.3% | 25.1% |
The rate of smoking in Johnson County is about 37% higher than in Illinois. The rate of sedentary lifestyle in Johnson County is about 22% higher than in Illinois.
Assuming each smoker smokes 10 cigarettes a day, that's about 28,567 cigarettes a day, 857,007 a month, or 10.4 million a year! At 11 minutes* of life lost per cigarette, that's about 314,236 minutes a day and 114.7 million a year lost to smoking overall - and since life expectancy in Johnson County is 77.4 years, that's roughly equivalent to 0.01 lifetimes a day, or 2.82 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 | Johnson County | Illinois Avg | US Average |
|---|---|---|---|
| Air Pollution (μg/m³) | 7.56 | 7.63 | 6.09 |
With an annual average of 7.6 µg/m³ of fine particulate matter (PM2.5), air quality in Johnson County is good — generally safe air quality for the vast majority of residents.
Johnson County, IL Health Compared With Nearby Counties
Johnson County, IL is typical in size for this group, 13,376 residents against a local median of 13,864, so the measures below are close to a like for like comparison. Where Johnson County, IL breaks from the counties next to it is uninsured, sitting 74% above the local median of 4.7% at 8.1%. That is the weaker end of the local range on this measure.
The counties themselves spread 4.7% on uninsured, so Johnson County, IL sits at one end of an already wide local range rather than apart from it. Johnson County, IL has the 6th lowest uninsured of the 6 areas compared here.
| Area | Population | Life expectancy | Uninsured | Obesity |
|---|---|---|---|---|
| Johnson County, IL | 13,376 | 77.4 yrs #2/6 | 8.1% #6/6 | 41.1% #5/6 |
| Williamson County, IL | 66,874 | 76.5 yrs | 4.6% | 33.7% |
| Massac County, IL | 13,864 | 74.8 yrs | 7.8% | 38.3% |
| Pope County, IL | 3,739 | 78.5 yrs | 3.1% | 36.8% |
| Pulaski County, IL | 5,015 | 75.2 yrs | 4.7% | 43.2% |
| Union County, IL | 16,997 | 76.7 yrs | 6.4% | 36.6% |
Conclusion
Considering all these factors, Johnson County, Illinois has an overall health index grade of C, making it about on par with Illinois, and about on par with the country as a whole.
Frequently Asked Questions
Common questions about health in Johnson County, Illinois.
What is the health grade for Johnson County, Illinois?
Johnson County, Illinois has a Map AI Health Index grade of C, based on life expectancy, disease rates, healthcare access, and the physical environment; a C grade means residents are close to the U.S. average.
Is Johnson County, Illinois one of the healthiest counties in Illinois?
Johnson County ranks 98th 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 Johnson County, Illinois?
People in Johnson County, Illinois can expect to live 77.4 years on average, about the same as the Illinois average of 77.9.
What percentage of Johnson County, Illinois residents are uninsured?
8.1% of residents in Johnson County, Illinois have no health insurance, about 1 in 12 people, 1.3 points above the Illinois rate of 6.9%.
What is the obesity rate in Johnson County, Illinois?
41.1% of adults in Johnson County, Illinois are classified as obese, about 1 in 2, 5.0 points above the Illinois rate of 36.1%.
What health issue is more common in Johnson County, Illinois than elsewhere?
Compared with Illinois as a whole, smoking stands out most: the adult rate here is 26.2%, about 37% higher than the Illinois rate of 19.2%.
How many cigarettes do smokers in Johnson County, Illinois go through, and how much life does that cost?
Assuming each smoker smokes 10 cigarettes a day, that's about 28,567 cigarettes a day, 857,007 a month, or 10.4 million a year! At 11 minutes* of life lost per cigarette, that's about 314,236 minutes a day and 114.7 million a year lost to smoking overall - and since life expectancy in Johnson County is 77.4 years, that's roughly equivalent to 0.01 lifetimes a day, or 2.82 lifetimes a year.
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