Health insurance in Sullivan County, Tennessee
4 insurers sell 50 marketplace plans here, and 10.6% 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 Sullivan County, offering 50 plans between them, roughly 12 each. It gained 2 since the previous plan year, up from 2.
How many people here have no coverage
10.6% of Sullivan County's 124,812 under-65 residents have no health coverage — 13,181 people. That is close to the Tennessee rate of 11.3%, and puts Sullivan County in the middle half of the 1,817 counties on this site (954th).
Some of those 13,181 are in the Tennessee coverage gap: under $15,960 a year, too little for a subsidy and no expanded Medicaid to fall back on.
How much the marketplace is used
11,026 Sullivan County residents selected a marketplace plan for 2026: 88 per thousand under-65 residents, 936th of 1,817. That is close to the 78 per thousand typical of published counties. 1,566 of them — 14% — were new rather than renewing.
Sullivan County against Tennessee
Sullivan County is the 9th largest of the 11 Tennessee counties we publish. Its uninsured rate runs 0.7 points lower than Tennessee overall and its 4 insurers sit between the state's 3 and 5. Marketplace use is close to the Tennessee rate.
| Sullivan County | Tennessee | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 10.6% | 11.3% | 9.9% |
| Insurers selling | 4 | 3–5 | 4 |
| Plans offered | 50 | — | 57 |
| Selections per 1,000 | 88 | 98 | 78 |
| New rather than renewing | 14% | 16% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Wilson County | 142,559 | 8.8% | 5 | 65 |
| Maury County | 92,541 | 9.6% | 4 | 55 |
Wilson County has 5 insurers against this county's 4 — a reminder that the county line, not the state line, is what decides your options.
Other Tennessee counties · Where the subsidy stops · Enrollment dates