State Profile

Illinois

Population (2024): 12,252,700 million

Illinois’s public health outcomes and emergency preparedness betters some states but falls behind others. According to TFAH’s 2025 Ready or Not: Protecting the Public’s Health from Diseases, Disasters, and Bioterrorism report, the state placed in the mid performance tier for public health emergency preparedness. Deaths within the state due to drug misuse, alcohol, or suicide are fewer than the average for other states. Based on the 2024 data, its rates of obesity and related conditions indicate a mixed picture, with the percentage of adults with obesity and hypertension within the state lower than the U.S. median, while rates of diabetes are higher than the U.S. median.