What ACA marketplace plans are available in Buchanan County, Iowa in 2026?

Buchanan County, Iowa has 48 ACA marketplace plans from 4 insurers in 2026, with monthly premiums for a 40-year-old ranging from $352 to $886 and a benchmark (second-lowest-cost silver) plan at $490 per month, per the CMS PY2026 QHP Landscape file.

Updated July 21, 2026 · Reviewed by Jason Burns, Editorial Steward

Three lowest-cost silver plans at age 40

Ambetter Health — Standard Silver · $486.31/mo · deductible $6,000 · MOOP $8,900
Wellmark Health Plan of Iowa, Inc. — Wellmark Silver Primary Care | UnityPoint Health · $490.46/mo · deductible $5,700 · MOOP $8,000
Ambetter Health — Focused Silver · $491.73/mo · deductible $6,300 · MOOP $8,400

See the full Buchanan County plan table with all issuers, metal tiers, and cost-sharing →

Source: PY2026 QHP Landscape, Individual Market Medical (CMS Public Use File, released May 2026).