Health insurance in Seminole County, Florida
12 insurers sell 215 marketplace plans here, and 11.3% 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.
12 insurers competing here
12 insurers sell in Seminole County — 215 plans in total, around 18 each. Few people compare 215 plans properly without help. The number has not changed since the previous plan year.
How many people here have no coverage
11.3% of Seminole County's 409,329 under-65 residents have no health coverage — 46,433 people. That is below the Florida rate of 13.7%, and puts Seminole County in the middle half of the 1,817 counties on this site (802nd).
Some of those 46,433 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
76,675 Seminole County residents selected a marketplace plan for 2026: 187 per thousand under-65 residents, 167th of 1,817. That is 2.4× the 78 per thousand typical here. 14,228 of them — 19% — were new rather than renewing.
Seminole County against Florida
Seminole County is the 13th largest of the 32 Florida counties we publish. Its uninsured rate runs 2.4 points lower than Florida overall and its 12 insurers sit between the state's 1 and 13. Marketplace use is well under the Florida rate.
| Seminole County | Florida | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 11.3% | 13.7% | 9.9% |
| Insurers selling | 12 | 1–13 | 4 |
| Plans offered | 215 | — | 57 |
| Selections per 1,000 | 187 | 254 | 78 |
| New rather than renewing | 19% | 16% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Osceola County | 397,895 | 14.1% | 11 | 192 |
| Volusia County | 433,840 | 13.0% | 8 | 154 |
| Brevard County | 491,895 | 12.2% | 8 | 152 |
| Lake County | 324,106 | 12.6% | 11 | 196 |
All of them have fewer insurers than this county's 12, which makes it the stronger market locally.
Other Florida counties · Where the subsidy stops · Enrollment dates