MedCheckWize

California vs Idaho: Medicare Costs (2026)

Side-by-side comparison of Medicare spending, premiums, and healthcare coverage.

MetricCalifornia (CA)Idaho (ID)
Medicare Spending/Capita$10,208$8,090
Medicare Enrollees7,080,7502,309,963
Medicaid Enrollees9,524,3323,113,284
Part B Premium$185/mo$185/mo
Part D Premium (Avg)$78/mo$69/mo
Medigap Premium (Avg)$132/mo$231/mo
Medicaid ExpansionYesNo
Uninsured Rate7.9%3.3%

Top Procedure Costs

ProcedureCaliforniaIdahoDifference
Kidney Transplant$143,424$120,938+$22,486
Liver Transplant$135,205$178,545$-43,340
Heart Valve Replacement$89,317$72,930+$16,386
Coronary Artery Bypass Graft (CABG)$81,579$91,566$-9,987
Spinal Fusion$56,527$50,557+$5,970
Total Knee Replacement$39,016$30,617+$8,399
Defibrillator Implantation (ICD)$37,120$42,073$-4,953
Total Hip Replacement$32,614$38,593$-5,979
Laminectomy$28,474$34,197$-5,723
View CaliforniaView Idaho

Frequently Asked Questions

Which state has higher Medicare spending, California or Idaho?

California has higher Medicare spending at $10,208 per capita vs $8,090 in Idaho.

Which state has a lower uninsured rate?

Idaho has a lower uninsured rate of 3.3% compared to 7.9% in California.

Have both California and Idaho expanded Medicaid?

California has expanded Medicaid. Idaho has not expanded Medicaid.