How is Medicare Advantage developing in Idaho?
Idaho's MA penetration is 49.7% — below the 57.8% national share by 8.1 points, ranking 45 of 52 with 0.194M MA enrollees of 0.39M Medicare beneficiaries as of February 2026.
County detail
No Idaho counties are in the current tracked set. County-level pages for every state arrive with the full CPSC county pipeline — see methodology.
Sales playbook one-pager
↓ Download the Idaho sales playbook (PNG): a branded snapshot of penetration, runway class, carrier positions, D-SNP gap, and contestable members for this state. Runway class and score are a MedicareInsights modeled index, never citable as CMS data; source vintages are printed on the image.
So what / Now what
Idaho still has conversion runway — growth here can come from Original Medicare ageing-in and first-time switchers rather than share fights.
- Compare against neighboring states on the national table.
- Check 2026 plan exits for orphaned membership contestable in this market.
- Sales teams: see where this state ranks on the growth runway index and which competitive facts apply on the carrier battlecards.
Provenance — MA enrollment & penetration by state
- Source file
- CMS Medicare Monthly Enrollment (data.cms.gov, public API)
- Vintage
- February 2026
- Last updated
- June 15, 2026
- Refresh cadence
- Monthly (CMS publishes ~3 months in arrears)
- Method
- State-level rows pulled from the Medicare Monthly Enrollment API; MA share = MA_AND_OTH_BENES / TOT_BENES. Refreshed via automated pipeline from the CMS public API.
- Known limitations
- Penetration here is share of all Medicare beneficiaries (Parts A and/or B), not the KFF eligible-only basis, which runs ~4pts higher.