What ACA marketplace plans are available in Custer County, South Dakota in 2026?
Custer County, South Dakota has 28 ACA marketplace plans from 3 insurers in 2026, with monthly premiums for a 40-year-old ranging from $453 to $934 and a benchmark (second-lowest-cost silver) plan at $774 per month, per the CMS PY2026 QHP Landscape file. 2027 plans for Custer 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
- Wellmark of South Dakota, Inc. — Wellmark Silver Traditional EPO · $760.94/mo · deductible $5,000 · MOOP $7,500
- Wellmark of South Dakota, Inc. — Wellmark Standard Silver EPO · $774.01/mo · deductible $6,000 · MOOP $8,900
- Avera Health Plans — ConnectPlus Standard $6000 · $803.46/mo · deductible $6,000 · MOOP $8,900
See the full Custer 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).