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Decatur, IL Health Statistics

44.4% of adults have obesity and 14.5% have diabetes, among about 70,522 residents.

Obesity
44.4%
#28 of 1,407 · +11.1 pts
Diabetes
14.5%
#130 of 1,407 · +2.4 pts
Smoking
17.2%
+4.4 pts
Uninsured (18-64)
9.5%
-1.6 pts

How it compares

Largest differences from the U.S. average

Higher than the U.S.

  • Received SNAP23.8% vs 12.8%
  • Utility shutoff threat12.1% vs 8.0%
  • COPD9.4% vs 6.5%

Lower than the U.S.

  • Uninsured (18-64)9.5% vs 11.1%

All health measures

Decatur, IL compared with Illinois and the U.S.

Health outcomes

Adults withHereILU.S.
Obesity44.4%+11.1 pts34.1%33.3%
Diagnosed diabetes14.5%+2.4 pts11.6%12.1%
High blood pressure40.4%+6.0 pts33.0%34.4%
High cholesterol (among those screened)38.1%+1.7 pts35.4%36.4%
Coronary heart disease7.7%+1.4 pts5.9%6.3%
Stroke4.5%+1.1 pts3.3%3.4%
Current asthma11.4%+1.2 pts9.9%10.2%
COPD9.4%+2.9 pts6.3%6.5%
Cancer (excluding skin cancer)8.5%+0.8 pts7.6%7.7%
Arthritis29.7%+4.5 pts24.2%25.2%
Depression22.1%+0.5 pts19.8%21.6%
All teeth lost (age 65+)17.2%+4.6 pts10.3%12.6%

Health behaviors

Adults withHereILU.S.
Current smoking17.2%+4.4 pts12.1%12.8%
Binge drinking15.6%about the same17.8%15.9%
No leisure-time physical activity28.7%+3.5 pts23.0%25.2%
Short sleep (under 7 hours)39.6%+3.5 pts35.4%36.1%

Prevention

Adults withHereILU.S.
No health insurance (age 18 to 64)9.5%-1.6 pts9.9%11.1%
Routine checkup in the past year79.1%+2.3 pts77.8%76.8%
Dental visit in the past year56.7%-5.0 pts63.4%61.7%
Taking blood pressure medicine (if high)77.7%+2.2 pts75.7%75.5%
Cholesterol screening85.4%-0.8 pts87.4%86.2%
Colorectal cancer screening (age 45 to 75)62.7%-1.0 pts60.2%63.7%
Mammogram in the past 2 years (women 50 to 74)71.0%-5.1 pts73.5%76.1%

Health status

Adults withHereILU.S.
Fair or poor general health24.0%+4.2 pts18.6%19.8%
Frequent mental distress18.7%+2.2 pts15.5%16.5%
Frequent physical distress15.4%+2.1 pts12.2%13.3%

Disability

Adults withHereILU.S.
Any disability35.0%+4.6 pts27.6%30.4%
Mobility disability17.7%+3.9 pts12.8%13.8%
Cognitive disability16.0%+1.7 pts12.6%14.3%
Hearing disability7.7%+0.9 pts6.2%6.8%
Vision disability6.7%+1.4 pts4.8%5.3%
Self-care disability5.2%+1.4 pts3.5%3.8%
Independent living disability10.9%+2.8 pts7.6%8.1%

Social needs

Adults withHereILU.S.
Lack of social and emotional support27.6%+3.0 pts25.4%24.6%
Food insecurity in the past year22.1%+6.2 pts15.9%15.9%
Received SNAP (food stamps) in the past year23.8%+11.0 pts13.8%12.8%
Housing insecurity in the past year16.8%+3.8 pts13.1%13.0%
Threat of utility shutoff in the past year12.1%+4.1 pts7.8%8.0%
Lack of reliable transportation11.3%+2.8 pts8.0%8.5%

Share of adults (18 and older unless noted), crude prevalence. Differences are compared with the U.S.; green is better than the national rate, red is worse. These are model-based estimates, not counts.

Frequently asked questions

What is the obesity rate in Decatur, IL?
About 44.4% of adults in Decatur, IL have obesity, compared with 34.1% in Illinois and 33.3% nationwide. That ranks #28 of 1,407 cities and towns in Illinois.
How common is diabetes in Decatur, IL?
About 14.5% of adults have diagnosed diabetes (Illinois 11.6%, U.S. 12.1%).
What share of adults smoke in Decatur, IL?
About 17.2% of adults currently smoke cigarettes, compared with 12.8% nationwide.
How accurate are these numbers?
They are CDC model-based estimates built from national survey data and local population data, not counts from local health records. Small areas have wider margins of error.

Source: CDC PLACES: Local Data for Better Health · Last updated 12/01/2025 · 2025 release. Share of adults, crude prevalence.