Health Profile of McHenry County, Illinois

McHenry 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.

  • B
    McHenry County Around average
    Healthier than 94% of counties in Illinois

Source: Map AI Methodology

McHenry County
Click a county to open it Explore the map →
Health grade

General Health Overview

See health data visualized

Metric McHenry County Illinois Avg US Average
Life Expectancy (years) 79.5 77.9 78.3
Uninsured Population (%) 4.5% 6.9% 8.4%
Self-Rated Poor Health 11.3% 15.6% 16.3%

Life expectancy in McHenry County is 79.6 years, about 1.7 years longer than the Illinois average of 77.9 years. The uninsured rate is 4.5%, lower than the Illinois average of 6.9%. Self-rated poor health is reported by 11.3% of residents, lower than the Illinois average of 15.6%.

Population by Age

Older residents

110,730 residents in McHenry County are age 50 or older.

  • 85+ 4,965 1,576 men · 3,389 women
  • 75–84 12,076 5,400 men · 6,676 women
  • 65–74 26,714 12,832 men · 13,881 women
  • 50–64 66,975 33,631 men · 33,344 women

Younger residents

67,679 residents in McHenry County are age 17 or younger.

  • 12–17 22,154 11,416 boys · 10,737 girls
  • 7–12 20,480 10,496 boys · 9,984 girls
  • 3–7 14,766 7,480 boys · 7,286 girls
  • 0–3 10,279 5,180 boys · 5,099 girls
Beyond life expectancy

About 10,208 residents in McHenry County (3.3% of the population) are older than the area's life expectancy of 79.6 years.

79.5 yrs
Age 0 Age 100

The highlighted slice of the age axis is the share of residents older than the life-expectancy mark.

Disease Prevalence

Disease / Condition McHenry County Illinois Avg US Average
Diabetes 8.3% 10.7% 11.3%
Cancer 5.8% 7.1% 6.9%
Heart Diseases 4.9% 7.1% 7.1%
Adult Obesity 35.4% 36.1% 34.3%

The rate of heart disease in McHenry County is about 31% lower than in Illinois. The rate of diabetes in McHenry County is about 23% lower than in Illinois. The rate of cancer in McHenry County is about 18% lower than in Illinois.

Health Behaviors

Behavior McHenry County Illinois Avg US Average
Smokers 15.8% 19.2% 19.0%
Binge Drinking 16.5% 14.9% 16.5%
Sedentary Lifestyle 21.4% 26.3% 25.1%

The rate of sedentary lifestyle in McHenry County is about 19% lower than in Illinois. The rate of smoking in McHenry County is about 18% lower than in Illinois.

Assuming each smoker smokes 10 cigarettes a day, that's about 381,573 cigarettes a day, 11.4 million a month, or 139.3 million a year! At 11 minutes* of life lost per cigarette, that's about 4.2 million minutes a day and 1.5 billion a year lost to smoking overall - and since life expectancy in McHenry County is 79.6 years, that's roughly equivalent to 0.10 lifetimes a day, or 37 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 McHenry County Illinois Avg US Average
Air Pollution (μg/m³) 7.72 7.63 6.09

With an annual average of 7.7 µg/m³ of fine particulate matter (PM2.5), air quality in McHenry County is good — generally safe air quality for the vast majority of residents.

McHenry County, IL Health Compared With Nearby Counties

McHenry County, IL is the 3rd largest of the 6 counties compared here, 312,591 residents against a local median of 105,657. The measure that sets McHenry County, IL apart most is uninsured: 4.5%, 19% below the local median of 5.6%. That is the better end of the local range on this measure.

The counties themselves spread 2.7% on uninsured, so McHenry County, IL sits at one end of an already wide local range rather than apart from it. McHenry County, IL has the lowest uninsured of the 6 areas compared here.

Area Population Life expectancy Uninsured Obesity
McHenry County, IL 312,591 79.6 yrs #4/6 4.5% #1/6 35.4% #4/6
Walworth County, WI 105,657 79.0 yrs 5.7% 35.1%
Boone County, IL 53,226 78.3 yrs 5.6% 37.1%
Kane County, IL 517,214 80.2 yrs 7.8% 36.3%
DeKalb County, IL 100,702 80.2 yrs 5.1% 33.7%
DuPage County, IL 929,812 81.3 yrs 5.2% 28.3%

Conclusion

Considering all these factors, McHenry 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 McHenry County, Illinois.

Is McHenry County, Illinois a healthy place to live?

McHenry 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 McHenry County, Illinois one of the healthiest counties in Illinois?

McHenry County ranks 7th 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 McHenry County, Illinois?

People in McHenry County, Illinois can expect to live 79.6 years on average, 1.7 years longer than the Illinois average of 77.9.

What is the uninsured rate in McHenry County, Illinois?

4.5% of residents in McHenry County, Illinois have no health insurance, about 1 in 22 people, 2.3 points below the Illinois rate of 6.9%.

What percentage of McHenry County, Illinois residents are obese?

35.4% of adults in McHenry County, Illinois are classified as obese, about 1 in 3, 0.7 points below the Illinois rate of 36.1%.

How many cigarettes do smokers in McHenry County, Illinois go through, and how much life does that cost?

Assuming each smoker smokes 10 cigarettes a day, that's about 381,573 cigarettes a day, 11.4 million a month, or 139.3 million a year! At 11 minutes* of life lost per cigarette, that's about 4.2 million minutes a day and 1.5 billion a year lost to smoking overall - and since life expectancy in McHenry County is 79.6 years, that's roughly equivalent to 0.10 lifetimes a day, or 37 lifetimes a year.

Analyze any area in the US

Get local demographics for any address, aggregated by drive time or radius, on the interactive map.

Explore the map →