Health insurance in Oakland County, Michigan
5 insurers sell 64 marketplace plans here, and 4.9% of under-65 residents have no coverage at all.
Source: CMS Marketplace Open Enrollment Public Use Files and US Census Small Area Health Insurance Estimates, 2026 release.
Who sells here, and how much choice that gives
5 insurers compete in Oakland County with 64 plans between them, about 13 plans each. The number has not changed since the previous plan year.
Comparatively few people go uncovered
4.9% of Oakland County's 1,039,644 under-65 residents have no health coverage — 51,236 people. That is close to the Michigan rate of 6.2%, and puts Oakland County in the bottom 10% of the 1,817 counties on this site (1790th).
How much the marketplace is used
72,845 Oakland County residents selected a marketplace plan for 2026: 70 per thousand under-65 residents, 1254th of 1,817. That is close to the 78 per thousand typical of published counties. 10,711 of them — 15% — were new rather than renewing.
Oakland County against Michigan
Oakland County is the 2nd largest of the 19 Michigan counties we publish. Its uninsured rate runs 1.3 points lower than Michigan overall and its 5 insurers sit between the state's 2 and 7. Marketplace use is close to the Michigan rate.
| Oakland County | Michigan | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 4.9% | 6.2% | 9.9% |
| Insurers selling | 5 | 2–7 | 4 |
| Plans offered | 64 | — | 57 |
| Selections per 1,000 | 70 | 62 | 78 |
| New rather than renewing | 15% | 13% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Macomb County | 712,514 | 6.2% | 5 | 64 |
| Wayne County | 1,431,358 | 6.8% | 5 | 64 |
| Kent County | 561,326 | 6.2% | 7 | 80 |
| Genesee County | 320,188 | 6.5% | 6 | 64 |
Kent County has 7 insurers against this county's 5 — a reminder that the county line, not the state line, is what decides your options.
64 plans is a lot to work through. Start with network type, then the metal tiers. Other Michigan counties.