Health insurance in Martin County, Florida
7 insurers sell 134 marketplace plans here, and 14.6% 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.
7 insurers competing here
7 insurers sell in Martin County — 134 plans in total, around 19 each. Few people compare 134 plans properly without help. Each insurer averages about 19 plans, so most of the choice here is between products from the same company rather than between companies. The number has not changed since the previous plan year.
How many people here have no coverage
14.6% of Martin County's 109,234 under-65 residents have no health coverage — 15,902 people. That is close to the Florida rate of 13.7%, and puts Martin County in the top quarter of the 1,817 counties on this site (381st).
Some of those 15,902 are in the Florida coverage gap: under $15,960 a year, too little for a subsidy and no expanded Medicaid to fall back on.
The marketplace is used heavily here
19,694 Martin County residents selected a marketplace plan for 2026: 180 per thousand under-65 residents, 197th of 1,817. That is 2.3× the 78 per thousand typical here. 2,927 of them — 15% — were new rather than renewing.
Martin County against Florida
Martin County is the 30th largest of the 32 Florida counties we publish. Its uninsured rate runs 0.9 points higher than Florida overall and its 7 insurers sit between the state's 1 and 13. Marketplace use is well under the Florida rate.
| Martin County | Florida | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 14.6% | 13.7% | 9.9% |
| Insurers selling | 7 | 1–13 | 4 |
| Plans offered | 134 | — | 57 |
| Selections per 1,000 | 180 | 254 | 78 |
| New rather than renewing | 15% | 16% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Indian River County | 109,399 | 13.5% | 7 | 121 |
| Citrus County | 107,005 | 13.7% | 4 | 106 |
| Charlotte County | 124,236 | 12.6% | 4 | 110 |
| Flagler County | 93,270 | 11.6% | 6 | 122 |
All of them have fewer insurers than this county's 7, which makes it the stronger market locally.
Other Florida counties · Where the subsidy stops · Enrollment dates