2027 ACA Marketplace in Oakland County

Local evidence

What stands out in Oakland County's 2026 ACA Marketplace data?

CMS reports 72,845 plan selections in Oakland County. That ranks #2 of 83 Michigan counties in this CoveragePath CMS dataset by Marketplace selections. This is enrollment context, not an estimate of how many county residents are eligible.

77.2% of reported selections received APTC. The average premium was $610 and the average after APTC was $236 — a $374 difference in these county-level CMS averages. These averages are not a personal quote or subsidy estimate.

For separate population context, the 2024 ACS uninsured estimate is 3.8%. ACS population insurance statistics and ACA Marketplace eligibility are different measures.

Local marketplace facts

What is available in Oakland County?

Plan selections by age

Under 35: 40.0% · 35-54: 33.0% · 55-64: 25.3% · 65+: 1.7% Source: CMS 2026 Open Enrollment Period County-Level PUF (sha256 2857e5932d4d)

Consumers eligible for cost-sharing reductions

25,887 of 72,845 (35.5%) Source: CMS 2026 Open Enrollment Period County-Level PUF (sha256 2857e5932d4d)

New, returning and auto-renewed consumers

14.7% new to the Marketplace, 85.3% returning; 24,019 (33.0% of all) were automatically re-enrolled Source: CMS 2026 Open Enrollment Period County-Level PUF (sha256 2857e5932d4d)

Plan selections by metal level

Bronze 50.7% · Silver 43.2% · Gold 4.1% · Platinum, catastrophic and other 1.9% (of 72,845 selections) Source: CMS 2026 Open Enrollment Period County-Level PUF (sha256 2857e5932d4d)