Mental health treatment in Illinois
All 522 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.
522 mental health treatment facilities in 202 cities and towns and 83 counties. From SAMHSA’s National Directory of Mar 6, 2026.
The biggest cities and towns
By how many mental health treatment facilities each holdsThe biggest counties
By how many mental health treatment facilities each holdsEvery city, town and county, A to Z
Cities and towns
B
C
E
G
L
M
P
Q
S
U
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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 Mental Health Treatment Facilities 2025. Released Mar 6, 2026. Updated yearly.