Illinois has 2151 addiction-treatment facilities in our directory, including inpatient, outpatient, and detox programs.
2151 treatment facilities listed in Illinois. Rankings on this page are organic — based on facility data and ratings only, never on payment. How we rank →
Use our treatment search to filter by insurance, program type, and setting — or call the SAMHSA National Helpline at 1-800-662-4357 (free, confidential, 24/7).