What ACA marketplace plans are available in Mandan, North Dakota in 2026?
Mandan, North Dakota (population 24,522), covering ZIP codes 58554 sits in Morton County, where 28 ACA marketplace plans from 2 insurers are available in 2026 with a benchmark (second-lowest-cost silver) plan at $456 per month for a 40-year-old. 2027 plans for Morton County are now available.
Updated July 23, 2026 · Reviewed by Jason Burns, Editorial Steward
Reviewed by Heather Fabrizio, Licensed Insurance Agent (NPN 20983651) · reviewed Jul 25, 2026
Three lowest-cost silver plans at age 40
- Sanford Health Plan — Sanford Individual TRUE $3,500 · $438.56/mo · deductible $3,500 · MOOP $9,750
- Sanford Health Plan — Sanford Individual TRUE Standardized $6,000 · $456.26/mo · deductible $6,000 · MOOP $8,900
- Sanford Health Plan — Sanford Individual TRUE $4,750 · $470.82/mo · deductible $4,750 · MOOP $9,750
See the Mandan city page with stats and ZIP codes →
Source: PY2026 QHP Landscape, Individual Market Medical (CMS Public Use File, released May 2026).