Total knee replacement cost in Illinois
In Illinois, 7 hospitals publish a cash price for Total knee replacement: from $1,565.55 to $13,690.00, with a median of $2,132.90. The lowest price is at Humboldt Park Health (North Francisco Chicago). The highest price is 8.7× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 27447. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Hospitals in Illinois, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Humboldt Park Health lowest North Francisco Chicago · Chicago-Naperville-Elgin, IL-IN Replacement of knee joint, both sides of knee | $1,565.55 | $5,591.25 | Aug 24, 2026 source file |
| Deaconess Illinois Crossroads Inc Mount Vernon · Mount Vernon, IL PR ARTHRP KNE CONDYLE&PLATU MEDIAL&LAT COMPARTMENTS | $2,132.90 | $6,094.00 | Feb 3, 2026 source file |
| Deaconess Illinois Union County Hospital Inc Anna · Anna, IL PR ARTHRP KNE CONDYLE&PLATU MEDIAL&LAT COMPARTMENTS | $2,132.90 | $6,094.00 | Feb 3, 2026 source file |
| Deaconess Regional Healthcare Services Illinois Inc Marion · Marion-Herrin, IL PR ARTHRP KNE CONDYLE&PLATU MEDIAL&LAT COMPARTMENTS | $2,132.90 | $6,094.00 | Feb 3, 2026 source file |
| Trinity Medical Center Rock Island · Davenport-Moline-Rock Island, IA-IL PR TOTAL KNEE ARTHROPLASTY | $3,334.40 | $4,168.00 | Jan 28, 2026 source file |
| Mercy Medical Center Aurora · Chicago-Naperville-Elgin, IL-IN Total knee arthroplasty | $13,690.00 | $48,304.00 | Sep 1, 2026 source file |
| Saint Francis Hospital Evanston · Chicago-Naperville-Elgin, IL-IN Total knee arthroplasty | $13,690.00 | $40,674.00 | Sep 1, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Chicago-Naperville-Elgin, IL-IN | 3 | $1,565.55 | $13,690.00 |
| Anna, IL | 1 | $2,132.90 | $2,132.90 |
| Davenport-Moline-Rock Island, IA-IL | 1 | $3,334.40 | $3,334.40 |
| Marion-Herrin, IL | 1 | $2,132.90 | $2,132.90 |
| Mount Vernon, IL | 1 | $2,132.90 | $2,132.90 |
What it is
A total knee replacement removes worn cartilage and bone from the knee and replaces the joint surfaces with metal and plastic parts. It is most often done for severe knee arthritis that limits walking and daily life.
What the price covers
The hospital price usually covers the operating room, implants and hospital stay. The surgeon, anesthesiologist and outpatient physical therapy are often billed separately unless the price is a bundled package.
Total knee replacement in other states
- Alabama$20,738.96
- Alaska$10,987.15
- Arizona$8,547.94
- Arkansas$7,627.16
- California$25,760.00
- Connecticut$7,390.00
- Delaware$9,171.00
- Florida$21,871.74
- Georgia$12,866.00
- Idaho$15,889.00
- Indiana$2,205.75
- Iowa$3,334.40
- Kansas$1,885.92
- Kentucky$2,132.90
- Louisiana$5,911.20
- Maine$989.74
- Maryland$10,206.98
- Massachusetts$13,928.00
- Michigan$5,628.30
- Minnesota$4,736.85
- Mississippi$26,026.54
- Missouri$2,372.06
- Montana$7,276.12
- Nebraska$3,824.64
- Nevada$12,068.00
- New Hampshire$2,771.40
- New Jersey$16,611.10
- New York$11,645.00
- North Carolina$3,270.00
- North Dakota$2,056.68
- Ohio$15,472.80
- Oklahoma$3,166.80
- Oregon$3,713.13
- Pennsylvania$2,821.00
- Rhode Island$13,600.26
- South Carolina$44,641.04
- South Dakota$12,279.76
- Tennessee$11,750.27
- Texas$8,938.36
- Vermont$3,462.20
- Virginia$36,652.20
- Washington$18,264.12
- West Virginia$6,742.00
- Wisconsin$6,838.65
- Wyoming$5,312.28
Median cash price across the state's hospitals.