State
Addiction and mental health treatment centers in Illinois
802 treatment centers.
Find by need
Drug and alcohol treatment (rehab) (624)Mental health treatment centers (478)Detox centers (70)Residential and inpatient treatment (132)Treatment centers that accept Medicaid (562)Treatment centers that accept Medicare (432)Free and low-cost treatment (436)Treatment centers with services in Spanish (224)Opioid treatment programs (methadone clinics) (136)
By county
- Adams County8
- Alexander County1
- Bond County1
- Boone County2
- Brown County1
- Bureau County1
- Carroll County1
- Cass County3
- Champaign County8
- Christian County2
- Clark County1
- Clay County1
- Clinton County1
- Coles County9
- Cook County365
- Cumberland County1
- De Witt County1
- DeKalb County6
- DuPage County52
- Edgar County1
- Edwards County1
- Effingham County2
- Fayette County2
- Ford County2
- Franklin County5
- Fulton County1
- Gallatin County1
- Grundy County1
- Hancock County2
- Hardin County1
- Henderson County1
- Henry County1
- Iroquois County1
- Jackson County5
- Jasper County1
- Jefferson County5
- Jo Daviess County1
- Johnson County4
- Kane County28
- Kankakee County8
- Kendall County2
- Knox County1
- Lake County42
- LaSalle County6
- Lawrence County2
- Lee County5
- Livingston County1
- Logan County2
- Macon County6
- Macoupin County3
- Madison County8
- Marion County5
- Massac County2
- McDonough County2
- McHenry County12
- McLean County8
- Monroe County2
- Montgomery County2
- Morgan County2
- Ogle County5
- Peoria County16
- Perry County3
- Piatt County1
- Pike County3
- Pope County1
- Randolph County2
- Richland County1
- Rock Island County11
- Sangamon County13
- Schuyler County1
- Shelby County2
- St. Clair County12
- Stephenson County2
- Tazewell County6
- Union County4
- Vermilion County5
- Wabash County1
- Warren County2
- Washington County1
- Wayne County1
- White County1
- Whiteside County3
- Will County29
- Williamson County8
- Winnebago County13
- Woodford County1
By city
- Chicago204
- Joliet20
- Peoria15
- Springfield14
- Elgin11
- Waukegan11
- Rockford10
- Arlington Heights9
- Aurora9
- Evanston9
- Wheaton9
- Northbrook8
- Quincy8
- Saint Charles8
- Cicero7
- Belleville6
- Decatur6
- Gurnee6
- Naperville6
- Palos Heights6
- Park Ridge6
- Bloomington5
- Champaign5
- Chicago Heights5
- Danville5
- Des Plaines5
- Kankakee5
- Libertyville5
- Mount Vernon5
- Rock Island5
- South Holland5
- Westmont5
- Woodstock5
- Berwyn4
- Bolingbrook4
- Carbondale4
- Charleston4
- Dixon4
- Downers Grove4
- Elmhurst4
- Hazel Crest4
- Hoffman Estates4
- Lombard4
- Marion4
- Mattoon4
- Maywood4
- McHenry4
- Melrose Park4
- Schaumburg4
- Skokie4
- Urbana4
- Vernon Hills4
- Alton3
- Anna3
- Blue Island3
- Buffalo Grove3
- Calumet City3
- Carterville3
- Centralia3
- Crystal Lake3
- Du Quoin3
- East Peoria3
- East Saint Louis3
- Flossmoor3
- Franklin Park3
- Highland Park3
- Hines3
- Hinsdale3
- Loves Park3
- Matteson3
- Moline3
- Normal3
- Oak Lawn3
- Ottawa3
- Palatine3
- Palos Hills3
- Pittsfield3
- Rolling Meadows3
- Sterling3
- Sycamore3
- Vienna3
- Warrenville3
- Beardstown2
- Bellwood2
- Belvidere2
- Benton2
- Carlinville2
- Carthage2
- DeKalb2
- Effingham2
- Elk Grove Village2
- Freeport2
- Geneva2
- Hanover Park2
- Harvey2
- Harwood Heights2
- Jacksonville2
- Justice2
- La Grange2
- La Salle2
- Lake Zurich2
- Lansing2
- Lawrenceville2
- Lincoln2
- Macomb2
- Manteno2
- Metropolis2
- Milan2
- Monmouth2
- North Aurora2
- Oak Brook2
- Oregon2
- Orland Park2
- Pekin2
- Plainfield2
- Rochelle2
- Round Lake2
- Salem2
- Shelbyville2
- Stone Park2
- Taylorville2
- Vandalia2
- Wheeling2
- Winfield2
- Woodridge2
- Yorkville2
Other facilities (county not known)
- Memorial Medical Center(217) 788‑3000Mental health · Springfield · 701 North 1st Street
- Cunningham Childrens Home(217) 367‑3728Mental health · Urbana · P.O. Box 878
Common questions
How many addiction and mental health treatment centers are in Illinois?
SAMHSA’s FindTreatment.gov directory lists 802 treatment centers in Illinois.
How many accept Medicaid?
70% name Medicaid among the payments they accept; 54% list free treatment, a sliding fee scale or payment assistance.
Are there treatment centers in Illinois with services in Spanish?
Yes: 28% of the listed facilities include Spanish among their language services.
Which cities in Illinois have the most?
Chicago (204), Joliet (20), Peoria (15), Springfield (14) and Elgin (11).
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