Largest hospitals in the Chicago area (2025)

The Largest hospitals in the Chicago area list was published on Nov. 24, 2025. The full Excel version includes 25 companies and may include additional data. It also includes a separate contacts file containing 65 executives. Scroll to the right to see more data

To qualify for this list, hospitals must be located in the seven-county area of Cook, DuPage, Kane, Lake, McHenry, and Will in Illinois, and Lake in Indiana. Information was provided by hospitals, and all figures are as of Dec. 31 unless otherwise noted. “Inpatient days” refers to the actual number of patient-care days provided on an inpatient basis, excluding nursery, psychiatric, long-term rehabilitation and observation beds. “Available beds” refers to the number of staffed beds, excluding nursery, psychiatric, long-term rehabilitation and observation beds. “Daily occupancy rate” is inpatient days divided by bed days available. Numbers that appear tied have been rounded.
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