Addiction treatment in Illinois
All 576 in one listEvery one on the record by city and county: open a place for its list, which you can filter by what each record says.
576 addiction treatment facilities in 199 cities and towns and 81 counties. From SAMHSA’s National Directory of Mar 6, 2026.
The biggest cities and towns
By how many addiction treatment facilities each holdsThe biggest counties
By how many addiction treatment facilities each holdsEvery city, town and county, A to Z
Cities and towns
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Counties
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No city, town or county by that name here. A ZIP code? Search for it above the states.
Source:
Substance Abuse and Mental Health Services Administration (SAMHSA), National Directory of Drug and Alcohol Use Treatment Facilities 2025. Released Mar 6, 2026. Updated yearly.