Health insurance in York County, South Carolina
4 insurers sell 48 marketplace plans here, and 9.0% 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 York County, offering 48 plans between them, roughly 12 each. It gained 2 since the previous plan year, up from 2.
How many people here have no coverage
9.0% of York County's 251,592 under-65 residents have no health coverage — 22,714 people. That is below the South Carolina rate of 11.2%, and puts York County in the middle half of the 1,817 counties on this site (1243rd).
Some of those 22,714 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.
How much the marketplace is used
21,074 York County residents selected a marketplace plan for 2026: 84 per thousand under-65 residents, 1016th of 1,817. That is close to the 78 per thousand typical of published counties. 3,020 of them — 14% — were new rather than renewing.
York County against South Carolina
York County is the 6th largest of the 12 South Carolina counties we publish. Its uninsured rate runs 2.2 points lower than South Carolina overall and its 4 insurers sit between the state's 2 and 5. Marketplace use is well under the South Carolina rate.
| York County | South Carolina | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 9.0% | 11.2% | 9.9% |
| Insurers selling | 4 | 2–5 | 4 |
| Plans offered | 48 | — | 57 |
| Selections per 1,000 | 84 | 138 | 78 |
| New rather than renewing | 14% | 14% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Lexington County | 256,624 | 10.8% | 3 | 52 |
| Berkeley County | 219,189 | 10.1% | 4 | 60 |
| Horry County | 291,194 | 14.1% | 3 | 48 |
| Spartanburg County | 300,077 | 12.4% | 4 | 44 |
| Rockingham County (New Hampshire) | 252,343 | 4.5% | 4 | 46 |
All of them have fewer insurers than this county's 4, which makes it the stronger market locally.
Other South Carolina counties · Where the subsidy stops · Enrollment dates