The 10 largest hospitals in Illinois by employees
University of Chicago Medical Center has the most employees of any hospital in Illinois, 10,055, followed by Rush University Medical Center in Chicago (8,002) and Northwestern Memorial Hospital in Chicago (7,166). Together the 10 leaders hold 61,740 employees in five cities.
- University of Chicago Medical Center10,055employees737beds
- Rush University Medical Center8,002employees608beds
- Northwestern Memorial Hospital7,166employees930beds
- Evanston Hospital6,277employees691beds
- Ann & Robert H. Lurie Children's Hospital of Chicago5,585employees364beds
- Advocate Christ Medical Center5,564employees727beds
- Loyola University Medical Center5,223employees516beds
- OSF Saint Francis Medical Center4,985employees642beds
- University of Illinois Hospital4,552employees401beds
- John H. Stroger, Jr. Hospital of Cook County4,331employees429beds
The 10 highest of 200 Illinois hospitals that report employees. Ranks compare size, not quality of care.
Every hospital in IllinoisThe 10 top Illinois hospitals hold 32% of all employees
200 Illinois hospitals report employees, 195,398 employees in all. The 10 on this list hold 61,740 of it. The median hospital has 422 employees, so University of Chicago Medical Center is about 24 times that size.
- of all employees at Illinois hospitals that report them
- 32%
- the size of the median Illinois hospital, which has 422 employees
- 24×
- of the 200 Illinois hospitals that report employees
- 5%
How we ranked the top Illinois hospitals
- Measure
- Full-time equivalent employees from each hospital's latest Medicare cost report.
- What counts as a hospital
- One CMS certification number. A hospital with several campuses under one number counts once.
- Field
- 200 Illinois hospitals in the Dmand AI database report employees.
- Ties
- Hospitals with the same number share a rank.
- What a rank means
- Size only. A rank compares employees; it says nothing about quality of care.
- Refresh
- Monthly. Updated Oct 28, 2026.
FAQ
Questions about the top Illinois hospitals
Answers from the same data, updated monthly.
Which Illinois hospital has the most employees?
University of Chicago Medical Center in Chicago, with 10,055 employees. Rush University Medical Center is second with 8,002.
What are the top 10 Illinois hospitals by employees?
University of Chicago Medical Center (10,055), Rush University Medical Center (8,002), Northwestern Memorial Hospital (7,166), Evanston Hospital (6,277), Ann & Robert H. Lurie Children's Hospital of Chicago (5,585), Advocate Christ Medical Center (5,564), Loyola University Medical Center (5,223), OSF Saint Francis Medical Center (4,985), University of Illinois Hospital (4,552), John H. Stroger, Jr. Hospital of Cook County (4,331).
How many employees does a typical Illinois hospital have?
The median Illinois hospital that reports employees has 422 employees, out of 200 that report them.
How often is this list updated?
Every month, when the Dmand AI database refreshes. This version is from Oct 28, 2026.
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