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State

Residential and inpatient treatment in Illinois

132 treatment centers. Facilities whose SAMHSA listing includes a residential (live-in) or hospital inpatient setting.

City lists

All 132 in Illinois

Common questions

Residential and inpatient treatment in Illinois: how many are there?

SAMHSA’s FindTreatment.gov directory lists 132 treatment centers in Illinois that match (16% of the 802 listed in the state). Facilities whose SAMHSA listing includes a residential (live-in) or hospital inpatient setting.

Which cities in Illinois have the most?

Chicago (32), Rockford (7), Peoria (4), Waukegan (4) and Woodstock (4).

Source: SAMHSA, FindTreatment.gov (National Directory of Mental Health and Substance Use Treatment Facilities), retrieved 2026-11-11. SAMHSA publishes no separate release date for this live directory. The directory has no quality ratings, and this list is not a ranking or a recommendation. Methodology