California vs Illinois: Medicare Costs (2026)
Side-by-side comparison of Medicare spending, premiums, and healthcare coverage.
| Metric | California (CA) | Illinois (IL) |
|---|---|---|
| Medicare Spending/Capita | $10,208 | $8,095 |
| Medicare Enrollees | 7,080,750 | 2,379,954 |
| Medicaid Enrollees | 9,524,332 | 3,206,605 |
| Part B Premium | $185/mo | $185/mo |
| Part D Premium (Avg) | $78/mo | $66/mo |
| Medigap Premium (Avg) | $132/mo | $341/mo |
| Medicaid Expansion | Yes | Yes |
| Uninsured Rate | 7.9% | 6.8% |
Top Procedure Costs
| Procedure | California | Illinois | Difference |
|---|---|---|---|
| Kidney Transplant | $143,424 | $98,213 | +$45,211 |
| Liver Transplant | $135,205 | $143,064 | $-7,859 |
| Heart Valve Replacement | $89,317 | $98,147 | $-8,830 |
| Coronary Artery Bypass Graft (CABG) | $81,579 | $90,852 | $-9,274 |
| Spinal Fusion | $56,527 | $44,125 | +$12,402 |
| Total Knee Replacement | $39,016 | $41,485 | $-2,469 |
| Defibrillator Implantation (ICD) | $37,120 | $48,722 | $-11,602 |
| Total Hip Replacement | $32,614 | $28,352 | +$4,262 |
Frequently Asked Questions
Which state has higher Medicare spending, California or Illinois?
California has higher Medicare spending at $10,208 per capita vs $8,095 in Illinois.
Which state has a lower uninsured rate?
Illinois has a lower uninsured rate of 6.8% compared to 7.9% in California.
Have both California and Illinois expanded Medicaid?
California has expanded Medicaid. Illinois has expanded Medicaid.