Cook County Health Data
Cook County, Illinois
CDC County Health RankingsHealth Score
61/100
Average
Life Expectancy
77.4 yr
Uninsured Rate
9.7%
Health Statistics
Life Expectancy
77.4 yr
State avg 76.0 yr
National avg 77.5 yr
Uninsured Rate
9.7%
State avg 6.3%
National avg 9%
Primary Care Providers
92
per 100K population
National avg 82
Mental Health Providers
399
per 100K population
National avg 350
Poor / Fair Health
17.5%
State avg 17.9%
National avg 19.6%
Healthcare Access
Primary Care Physicians
21.6
per 100K residentsCDC: 91.6 per 100K
Dentists
6.3
per 100K residents
Nurse Practitioners & PAs
6.5
per 100K residents
Provider counts from CMS NPPES (National Provider Identifier Registry). Data current as of 2026.
Chronic Disease & Behavioral Health
These prevalence estimates come from the CDC PLACES program (Population-Level Analysis and Community Estimates), which combines BRFSS survey data with statistical modeling to produce county-level rates. Estimates are age-adjusted to enable fair comparisons across counties with different age distributions. Use them to spot where Cook County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Cook | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 31.0% | 38.7% | 37.6% | 7.7 pts better than state |
| Diabetes | 10.7% | 10.2% | 11.2% | near state average |
| High Blood Pressure | 28.9% | 32.0% | 33.5% | 3.1 pts better than state |
| Depression | 19.0% | 23.3% | 24.1% | 4.3 pts better than state |
Health-risk behaviors
| Measure | Cook | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 11.2% | 15.5% | 16.3% | 4.3 pts better than state |
| Binge Drinking | 19.0% | 20.1% | 17.8% | 1.1 pts better than state |
| Physical Inactivity | 22.8% | 23.4% | 27.0% | 0.6 pts better than state |
Preventive-care uptake
| Measure | Cook | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 76.5% | 75.6% | 74.9% | 0.9 pts better than state |
| Dental Visit (past year) | 62.7% | 60.5% | 57.3% | 2.2 pts better than state |
| Mammography (women 50–74) | 73.8% | 70.6% | 73.3% | 3.2 pts better than state |
Daily-life impact
| Measure | Cook | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 15.4% | 18.6% | 18.6% | 3.2 pts better than state |
| Short Sleep Duration | 36.0% | 37.2% | 37.3% | 1.2 pts better than state |
These rates are part of the CDC PLACES survey. Compare Cook County nationally on obesity.
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
Cook County Uninsured Rate Higher Than Illinois Average
Health data brief for Cook County, Illinois.
The uninsured rate in Cook County is 9.7%, which is higher than the Illinois state average of 6.3% and near the national average of 10%. Life expectancy for residents is 77.4 years, which is higher than the state average of 76.0 years and the national average of 77 years. Cook County has 92 primary care providers and 399 mental health providers per 100,000 residents, both of which are higher than the national medians of 70 and 250, respectively. Additionally, 17.5% of the population reports poor or fair health, slightly higher than the national average of 17%. Explore state-level data.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Cook County, Illinois
Direct contact information for hospitals and community health resources serving this county. Hospital quality ratings come from CMS Care Compare — the federal program that measures hospital performance on safety, patient experience, and outcomes.
Hospitals near you
Compare all on Medicare.gov →Northshore University Healthsystem - Evanston Hospital
ERUchicago Medicine Adventhealth La Grange
ERRush University Medical Center
EReHealth Insurance
Compare health insurance plans from top carriers for Cook County residents.
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Frequently Asked Questions
What is the health ranking of Cook County, IL?
What is the life expectancy in Cook County?
How does Cook County health compare to the Illinois average?
What health factors affect Cook County?
Is Cook County a healthy place to live?
What are the biggest health challenges in Cook County?
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Data Sources
Health data sourced from the County Health Rankings & Roadmaps, a collaboration between the Robert Wood Johnson Foundation and the University of Wisconsin Population Health Institute.
Data is informational only. Not medical or health advice. Coverage varies by county and reporting year.