Health insurance in Horry County, South Carolina
3 insurers sell 48 marketplace plans here, and 14.1% 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 Horry County, offering 48 plans between them, roughly 16 each. It gained 1 since the previous plan year, up from 2.
How many people here have no coverage
14.1% of Horry County's 291,194 under-65 residents have no health coverage — 41,090 people. That is above the South Carolina rate of 11.2%, and puts Horry County in the top quarter of the 1,817 counties on this site (418th).
Some of those 41,090 are in the South Carolina 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
50,985 Horry County residents selected a marketplace plan for 2026: 175 per thousand under-65 residents, 217th of 1,817. That is 2.2× the 78 per thousand typical here. 7,075 of them — 14% — were new rather than renewing.
Horry County against South Carolina
Horry County is the 4th largest of the 12 South Carolina counties we publish. Its uninsured rate runs 2.9 points higher than South Carolina overall and its 3 insurers sit between the state's 2 and 5. Marketplace use is close to the South Carolina rate.
| Horry County | South Carolina | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 14.1% | 11.2% | 9.9% |
| Insurers selling | 3 | 2–5 | 4 |
| Plans offered | 48 | — | 57 |
| Selections per 1,000 | 175 | 138 | 78 |
| New rather than renewing | 14% | 14% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Spartanburg County | 300,077 | 12.4% | 4 | 44 |
| Lexington County | 256,624 | 10.8% | 3 | 52 |
| York County | 251,592 | 9.0% | 4 | 48 |
Spartanburg County has 4 insurers against this county's 3 — a reminder that the county line, not the state line, is what decides your options.
Other South Carolina counties · Where the subsidy stops · Enrollment dates