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ACA and the Uninsured in Illinois

Prior to launch of the ACA marketplace in 2014, nearly 1 out of every 7 working age adults in Illinois lacked health insurance. Although the ACA greatly reduced the proportion of Illinois residents living without health insurance, hard-to-reach populations continue to have lower coverage rates.

Granular data

The Affordable Care Act

About 217,000 people enrolled on the Marketplace in the first open enrollment period, ending April 2014. Enrollment for 2018, the fifth year, was 335,000, down 6%t from the high of the previous year.

  • Individual Market - Change 2012 to 2016 • Map
  • Illinois Zip codes with 50+ enrollments in 2016 • Map
  • Illinois Marketplace enrollments 2015 • Map • Table
  • Illinois Marketplace outreach 2015 • Map
Marketplace enrollments Marketplace enrollments

The Uninsured

Clusters of uninsured remain and, as new data becomes available, we can follow the effects of the changes in access to health insurance.

  • Illinois Marketplace Eligibles for Fall 2015 • Map • Table
  • PUMA 3504: North Chicago • Map
  • PUMAs 3521 & 3408: West Chicago and portions of Cook County • Map
  • PUMAs 3526-27: Southwest Chicago • Map
  • PUMA 3602: Southeast McHenry County • Map
  • PUMA 2100: Southeast McHenry County • Map
  • Illinois uninsured by census tract 2012 • Map • with counties • with legislative districts
  • Illinois uninsured 2011 • Map • Charts
  • Illinois Marketplace population 2011 • Map • Charts
  • Illinois Medicaid population 2011 • Map • Charts
  • Illinois undocumented 2011 • Map • Charts
demographics of the uninsured Demographics of the uninsured
Springfield, Illinois, area Concentrations of low insurance

More Resources