Missouri Marketplace intelligence

Missouri ACA Marketplace coverage, explained with current sources.

Missouri uses HealthCare.gov for Marketplace enrollment. CMS reports 364,175 cumulative 2026 Open Enrollment plan selections across Missouri counties in the 2026 County-Level Public Use File.

Source: Centers for Medicare & Medicaid Services · Verified September 17, 2026

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2026 Missouri Marketplace evidence364,175 plan selections112 county records from the CMS 2026 OEP public-use file. Historical evidence for 2027 decisions; not a personal quote.

State evidence snapshot

What stands out in Missouri's 2026 Marketplace data?

Across the 112 counties in this CoveragePath CMS dataset, CMS reports 364,175 Marketplace plan selections. The largest county total is St. Louis County with 61,362 selections.

86.5% of selections in counties with unsuppressed APTC counts received advance premium tax credits. The selection-weighted county premium benchmarks are $723 before APTC and $173 after APTC. These are historical county aggregates, not household quotes.

What stands out in Missouri

Turn statewide totals into local context.

364,175

2026 CMS Marketplace plan selections represented across 112 county records.

St. Louis County

61,362 selections, 16.8% of the state total represented in this county dataset.

$723

Selection-weighted county average gross premium where CMS reports the measure.

$634

Selection-weighted county average APTC where CMS reports the measure.

Largest county markets in the file:St. Louis · 61,362Jackson · 45,566St. Louis city · 22,766

CoveragePath calculations use 2026 CMS county public-use-file measures. Weighted figures are descriptive historical benchmarks, not 2027 quotes, plan availability or eligibility determinations.

What the Missouri data can tell you

Enrollment

Use current CMS enrollment data to understand Marketplace participation without treating plan selections as active enrollment or a guarantee of coverage.

Financial assistance

Eligibility for premium tax credits depends on current federal rules and household circumstances. CoveragePath verifies rule changes before publishing numeric guidance.

County intelligence

CoveragePath now publishes verified 2026 CMS Marketplace benchmarks for 112 evidence-ranked Missouri counties, including enrollment, premium and APTC measures.

2026 ACA Marketplace data by Missouri county

Choose your county to review its verified CMS Marketplace enrollment, premium and financial-assistance benchmarks. County figures are historical measures, not a quote or guarantee of eligibility or plan availability.

Continue your coverage path

Start with eligibility factors, then review savings and Special Enrollment guidance. Final eligibility and plan availability must be verified through the Marketplace.

Eligibility Savings Special Enrollment