Health insurance in Anderson County, South Carolina
3 insurers sell 39 marketplace plans here, and 11.4% 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 Anderson County, offering 39 plans between them, roughly 13 each. It gained 2 since the previous plan year, up from 1.
How many people here have no coverage
11.4% of Anderson County's 173,004 under-65 residents have no health coverage — 19,778 people. That is close to the South Carolina rate of 11.2%, and puts Anderson County in the middle half of the 1,817 counties on this site (794th).
Some of those 19,778 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.
A market taking in new buyers
22,487 Anderson County residents selected a marketplace plan for 2026: 130 per thousand under-65 residents, 460th of 1,817. That is above the 78 per thousand typical of published counties. 4,980 — 22% — were new rather than renewing, an unusually high share.
Anderson County against South Carolina
Anderson County is the 8th largest of the 12 South Carolina counties we publish. Its uninsured rate tracks the state almost exactly and its 3 insurers sit between the state's 2 and 5. Marketplace use is close to the South Carolina rate.
| Anderson County | South Carolina | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 11.4% | 11.2% | 9.9% |
| Insurers selling | 3 | 2–5 | 4 |
| Plans offered | 39 | — | 57 |
| Selections per 1,000 | 130 | 138 | 78 |
| New rather than renewing | 22% | 14% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Aiken County | 138,502 | 10.4% | 3 | 43 |
| Beaufort County | 135,242 | 11.3% | 3 | 52 |
| Berkeley County | 219,189 | 10.1% | 4 | 60 |
| Sarpy County (Nebraska) | 177,825 | 5.4% | 5 | 81 |
Sarpy County has 5 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