What ACA marketplace plans are available in Sioux City, Iowa in 2026?
Sioux City, Iowa (population 86,101), covering ZIP codes 51101, 51102, 51103, 51104, 51105 and 4 more sits in Woodbury County, where 58 ACA marketplace plans from 4 insurers are available in 2026 with a benchmark (second-lowest-cost silver) plan at $453 per month for a 40-year-old. 2027 plans for Woodbury County are now available — to compare them and enroll, call United Enrollment Services, a licensed insurance agency, at 1-866-401-4116.
Updated July 23, 2026 · Reviewed by Jason Burns, Editorial Steward
Reviewed by Heather Fabrizio, licensed in Iowa (License #20983651) · reviewed Jul 25, 2026
Three lowest-cost silver plans at age 40
- Oscar Insurance Company — Silver Classic Standard | MercyOne · $451.56/mo · deductible $6,000 · MOOP $8,900
- Oscar Insurance Company — Silver Simple PCP Saver | MercyOne · $452.73/mo · deductible $5,000 · MOOP $8,500
- Oscar Insurance Company — Silver Simple Breathe Easy with Enhanced COPD Benefits | MercyOne · $453.90/mo · deductible $6,200 · MOOP $9,600
See the Sioux City city page with stats and ZIP codes →
Source: PY2026 QHP Landscape, Individual Market Medical (CMS Public Use File, released May 2026).