Medicaid, together with CHIP and AllKids, provides services to some 3.2 million people.
Nearly a million Illinois residents have gained health insurance since the ACA opened for business in October 2013 – the vast majority of them through the expanded Medicaid program.
More than 622,000 people had signed up for adult Medicaid under the ACA as of August 2014.
Illinois’ Medicaid expansion has been responsible for the largest share of the decline in uninsurance since ACA enactment. Medicaid covered 1.3 million working-age residents (17.5%) in 2016, up from 864,000 in 2012 (13.2%), a 49% increase.