What ACA marketplace plans are available in Oshkosh, Wisconsin in 2026?
Oshkosh, Wisconsin (population 66,729), covering ZIP codes 54901, 54902, 54903, 54904, 54906 sits in Winnebago County, where 30 ACA marketplace plans from 3 insurers are available in 2026 with a benchmark (second-lowest-cost silver) plan at $543 per month for a 40-year-old. 2027 plans for Winnebago 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 Wisconsin (License #20983651) · reviewed Jul 25, 2026
Three lowest-cost silver plans at age 40
- Network Health — Prestige Silver · $525.67/mo · deductible $6,000 · MOOP $8,900
- Network Health — Prestige Silver Essential + 3 Free PCP Visits · $543.15/mo · deductible $4,600 · MOOP $9,100
- Network Health — Prestige Silver Essential + Dental + Vision + 3 Free PCP Visits · $548.73/mo · deductible $4,600 · MOOP $9,100
See the Oshkosh city page with stats and ZIP codes →
Source: PY2026 QHP Landscape, Individual Market Medical (CMS Public Use File, released May 2026).