Health insurance in Boone County, Missouri
4 insurers sell 48 marketplace plans here, and 7.6% 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
4 insurers sell marketplace plans in Boone County, offering 48 plans between them, roughly 12 each. It gained 1 since the previous plan year, up from 3.
How many people here have no coverage
7.6% of Boone County's 155,950 under-65 residents have no health coverage — 11,829 people. That is below the Missouri rate of 9.2%, and puts Boone County in the bottom quarter of the 1,817 counties on this site (1469th).
How much the marketplace is used
7,218 Boone County residents selected a marketplace plan for 2026: 46 per thousand under-65 residents, 1660th of 1,817. That is under the 78 per thousand typical of published counties. 952 of them — 13% — were new rather than renewing.
Boone County against Missouri
Boone County is the 8th largest of the 12 Missouri counties we publish. Its uninsured rate runs 1.6 points lower than Missouri overall and its 4 insurers sit between the state's 2 and 6. Marketplace use is well under the Missouri rate.
| Boone County | Missouri | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 7.6% | 9.2% | 9.9% |
| Insurers selling | 4 | 2–6 | 4 |
| Plans offered | 48 | — | 57 |
| Selections per 1,000 | 46 | 74 | 78 |
| New rather than renewing | 13% | 13% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Jefferson County | 191,304 | 7.7% | 4 | 48 |
| Jasper County | 103,631 | 12.1% | 4 | 48 |
| Platte County | 94,270 | 6.4% | 5 | 55 |
| Cass County | 92,931 | 8.2% | 5 | 54 |
Platte County has 5 insurers against this county's 4 — a reminder that the county line, not the state line, is what decides your options.
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