How Much Does Knee Replacement Surgery Cost in Illinois?
The average cost of knee replacement surgery in Illinois is $36,000 without insurance. With insurance, you can expect to pay around $10,800 — saving 70%.
Without Insurance
$36,000
With Insurance
$10,800
Medicare
$8,200
National Average
$25,000
Cost by City
| City | Without Insurance | With Insurance | Medicare |
|---|---|---|---|
| Chicago | $40,000 | $12,000 | $9,100 |
| Springfield | $33,000 | $9,900 | $7,500 |
| Rockford | $32,000 | $9,600 | $7,300 |
Nearby States
How to Save
- 1. Ask for the cash/self-pay price — often 40-60% less than the billed price.
- 2. Compare prices between hospitals and freestanding centers.
- 3. Check if your insurance covers the procedure and what your copay will be.
- 4. Ask about payment plans or financial assistance programs.
- 5. Consider nearby states — prices can vary significantly across state lines.
Data sourced from CMS Medicare Provider Utilization and Payment Data 2025. Last updated: 2026-03-01. This information is for educational purposes only and does not constitute medical advice. This website is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.