Hailey Tran
Illinois is the sixth most populous state in the US, with over 12 million residents. The majority of people live in the northeast, so most of the largest healthcare facilities are located in the Chicago metro area. As of January 2025, there are 238 hospitals in Illinois. This paragraph will explore the state's hospital landscape, including notable facilities and healthcare systems.
| Characteristics | Values |
|---|---|
| Number of hospitals in Illinois | 238 |
| Illinois ranking by number of hospitals | 6th |
| Number of residents in Illinois | 12 million+ |
| Number of residents in Chicago metro area | 9 million+ |
| Number of hospitals in the top 20 by net patient revenue located in Chicago | 7 |
| Highest-ranking hospital outside Chicago metro area | Evanston Hospital |
| Hospital with the most net patient revenue in 2024 | UChicago Medicine Mitchell Hospital |
| Hospital with the third most net patient revenue | Rush University Medical Center |
| Number of beds in Southern Illinois Healthcare | 393 |
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What You'll Learn
Illinois has over 230 hospitals
Illinois is the sixth most populous state in the US, with over 12 million residents. Most of the state's residents are concentrated in the northeast, so it is no surprise that most of the largest healthcare facilities are located in the Chicago metro area. As of 2025, there are over 230 hospitals in Illinois.
The state's hospitals are spread across various cities, with Chicago taking the lead in terms of quantity and net patient revenue. Seven of the top 20 hospitals in Illinois are located in Chicago, with the highest-ranked facility outside the metro area being Evanston Hospital, ranking fourth. The Illinois hospital with the highest net patient revenue in 2024 was the UChicago Medicine Mitchell Hospital, part of the UChicago Medicine integrated delivery network.
Other notable hospitals in Illinois include Rush University Medical Center, ranked third in net patient revenue, and Advocate Health Care, the largest health system in the state and one of the largest healthcare providers in the Midwest. Northwestern Memorial HealthCare, the corporate parent of the Northwestern Medicine health system, boasts a medical staff of over 4,000, including more than 1,000 residents and nearly 1,500 employed physicians.
Southern Illinois Healthcare, a not-for-profit health care system, serves the health and well-being of communities in the southern part of the state. Edward-Elmhurst Health, comprised of Edward Hospital, Elmhurst Hospital, and Linden Oaks Behavioral Health, provides comprehensive healthcare to Chicago's southwest suburbs. Mercy Health Corporation supports affiliated entities, including Javon Bea Hospital in Rockford, Illinois.
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Chicago metro area has the most hospitals
Illinois is the sixth most populous state in the US, with more than 12 million residents. Most of these residents are concentrated in the northeast, specifically in and around Chicago, which is the most populated area of the state. More than half of Illinois' entire population lives in the Chicago metro area.
Given the high concentration of people in this region, it is no surprise that most of the largest healthcare facilities are located in the Chicago metro area. Seven of the top 20 hospitals in Illinois by net patient revenue are located in Chicago. These include UChicago Medicine Mitchell Hospital, Rush University Medical Center, Louis A. Weiss Memorial Hospital, Bernard A. Mitchell Hospital, St. Anne's Hospital, St. Luke's Hospital, and John B. Murphy Hospital.
The Chicago metro area also benefits from large health systems that serve the area. For example, Advocate Health Care, the largest health system in Illinois, serves communities in the Chicago metropolitan area. NorthShore University HealthSystem is another integrated healthcare delivery system that serves patients throughout the Chicago metropolitan area.
Additionally, several community health or hospital systems are based in the Chicago suburbs. Edward-Elmhurst Healthcare, for instance, provides comprehensive healthcare to residents in the west and southwest suburbs of Chicago. Palos Health serves Chicago's southwest suburbs, including southwestern Cook County and northeastern Will County.
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Advocate Health Care is the largest health system
Illinois is the sixth-largest state in the US by population, with around 12.5 million residents. The state is served by 258 hospitals and healthcare facilities, many of which are part of a broader integrated delivery network (IDN). Advocate Health Care is the largest health system in Illinois and one of the largest healthcare providers in the Midwest. Advocate Health Care is a not-for-profit organisation that provides healthcare services to individuals, families, and communities.
Advocate Health Care's mission is to serve the health needs of individuals, families, and communities through a holistic philosophy rooted in their fundamental understanding of human beings as created in the image of God. The organisation is one of the largest employers in Illinois's hospital systems, with revenues of over $100 million.
As of January 2025, the top Illinois hospitals by net patient revenue (NPR) were concentrated in the Chicago metro area, where more than half of the state's population lives. The top three hospitals by NPR in 2024 were all located in Chicago, with UChicago Medicine Mitchell Hospital ranking first. While Advocate Health Care does not appear to be among the top hospitals by NPR, its large revenue and broad reach across the Midwest indicate its significance as a healthcare provider in Illinois.
The Illinois health system with the most hospitals is CommonSpirit Health, with 157 hospitals. CommonSpirit Health also has the highest NPR of $30.6 billion, making it the second-highest earning IDN in the US. The IDN with the second-highest NPR in Illinois is Northwestern Medicine, with a considerably lower NPR of $6.1 billion. These metrics indicate the financial success and capacity of IDNs to expand their facilities and services, although other factors like operational efficiency and payor mix also play crucial roles in their overall financial health.
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Northwestern Memorial HealthCare has over 4,000 staff
Illinois is the sixth most populous state in the US, with more than 12 million residents. Most of the state's residents are concentrated in the northeast, so it is no surprise that most of the largest healthcare facilities are located in the Chicago metro area.
One of these facilities is Northwestern Memorial Hospital, an academic medical centre with over 4,000 staff. Northwestern Memorial is part of Northwestern Memorial Healthcare, an integrated healthcare system consisting of multiple hospitals and networks of physicians and healthcare professionals. The hospital itself has nearly 2,000 medical staff, with physicians representing nearly every medical specialty.
Northwestern Memorial Healthcare's staff includes more than 400 physicians in the Central Dupage Physician Group, with 335 specialists and expertise in over 60 specialties. The group offers more than 90 practices in 36 locations throughout Chicago's western suburbs. The healthcare group also includes the Delnor-Community Hospital, a 159-bed acute care facility in Geneva, Illinois, with 742 physicians in 80 specialties.
Northwestern Memorial Hospital is located within the Northwestern University Chicago campus in the Streeterville neighbourhood downtown. The hospital has 894 inpatient beds and encompasses more than three million square feet of medical buildings. The Feinberg and Galter Pavilion buildings make it the third tallest hospital in the US and the eighth tallest in the world. The neighbouring Lurie Children's Hospital, also affiliated with Northwestern, is the sixth tallest hospital facility in the country.
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Edward-Elmhurst Healthcare is a community health system
Illinois is the 6th most populous state in the US, with more than 12 million residents. The majority of people live in the northeast of the state, so most of the largest healthcare facilities are located in the Chicago metro area. There are 238 hospitals in Illinois, and one of the most notable is Edward-Elmhurst Health.
In 1990, Edward Hospital introduced a comprehensive cardiac medicine program, offering open-heart surgery, diagnostic services, and cardiac rehabilitation. In 1993, the Edward Cardiovascular Institute opened, becoming the state's first freestanding outpatient heart centre. In 1998, Edward Hospital became the first healthcare facility in DuPage County to screen people for heart disease using Electron Beam CT calcium scoring (Ultra Fast Heart Scan). The 1990s saw further expansion, with the opening of the Edward Cancer Centre, the expansion of the emergency department, and the opening of Edward Healthcare Centres in Bolingbrook and Naperville. In 1999, Edward Hospital announced a $90 million renovation and expansion project for its 50-acre Naperville campus, resulting in expanded outpatient services, new operating rooms, and new mother/baby suites.
In 2013, Edward Hospital merged with Elmhurst Memorial Hospital to create Edward-Elmhurst Health. In 2022, Edward-Elmhurst merged with NorthShore University HealthSystem, creating the third-largest health system in Illinois, with nine hospitals. As of 2016, Edward Hospital had 354 private patient rooms and 7,700 employees, including 1,340 nurses and a medical staff of more than 1,900 physicians. Edward Hospital serves the residents of Chicago's west and southwest suburbs, with its main campus located at 801 S. Washington Street, Naperville, IL.
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Frequently asked questions
As of 2025, there are more than 238 hospitals in Illinois.
Advocate Health Care is the largest health system in Illinois and also one of the largest healthcare providers in the Midwest.
UChicago Medicine Mitchell Hospital is the Illinois hospital with the highest net patient revenue in 2024.
