Health insurance in Missoula County, Montana
3 insurers sell 39 marketplace plans here, and 9.2% 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
3 insurers sell marketplace plans in Missoula County, offering 39 plans between them, roughly 13 each. It gained 2 since the previous plan year, up from 1.
How many people here have no coverage
9.2% of Missoula County's 99,693 under-65 residents have no health coverage — 9,191 people. That is below the Montana rate of 11.1%, and puts Missoula County in the middle half of the 1,817 counties on this site (1203rd).
How much the marketplace is used
8,221 Missoula County residents selected a marketplace plan for 2026: 82 per thousand under-65 residents, 1036th of 1,817. That is close to the 78 per thousand typical of published counties. 1,218 of them — 15% — were new rather than renewing.
Missoula County against Montana
Missoula County is the 3rd largest of the 4 Montana counties we publish. Its uninsured rate runs 1.9 points lower than Montana overall and it carries the same 3 insurers as every other county in the state. Marketplace use is close to the Montana rate.
| Missoula County | Montana | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 9.2% | 11.1% | 9.9% |
| Insurers selling | 3 | 3–3 | 4 |
| Plans offered | 39 | — | 57 |
| Selections per 1,000 | 82 | 83 | 78 |
| New rather than renewing | 15% | 14% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Matanuska-Susitna Borough (Alaska) | 99,545 | 12.7% | 2 | 15 |
| Rapides Parish (Louisiana) | 99,930 | 9.3% | 3 | 28 |
| Dallas County (Iowa) | 100,226 | 4.1% | 3 | 42 |
| Allegan County (Michigan) | 98,623 | 6.4% | 5 | 59 |
Allegan County has 5 insurers against this county's 3 — a reminder that the county line, not the state line, is what decides your options.
All Montana counties · How the credit works · Enrollment dates