Health insurance in Aiken County, South Carolina
3 insurers sell 43 marketplace plans here, and 10.4% 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 Aiken County, offering 43 plans between them, roughly 14 each. It gained 2 since the previous plan year, up from 1.
How many people here have no coverage
10.4% of Aiken County's 138,502 under-65 residents have no health coverage — 14,371 people. That is close to the South Carolina rate of 11.2%, and puts Aiken County in the middle half of the 1,817 counties on this site (983rd).
Some of those 14,371 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
17,741 Aiken County residents selected a marketplace plan for 2026: 128 per thousand under-65 residents, 479th of 1,817. That is above the 78 per thousand typical of published counties. 2,251 of them — 13% — were new rather than renewing.
Aiken County against South Carolina
Aiken County is the 9th largest of the 12 South Carolina counties we publish. Its uninsured rate runs 0.8 points lower 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.
| Aiken County | South Carolina | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 10.4% | 11.2% | 9.9% |
| Insurers selling | 3 | 2–5 | 4 |
| Plans offered | 43 | — | 57 |
| Selections per 1,000 | 128 | 138 | 78 |
| New rather than renewing | 13% | 14% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Beaufort County | 135,242 | 11.3% | 3 | 52 |
| Florence County | 107,661 | 10.1% | 4 | 57 |
| Pickens County | 104,996 | 12.0% | 3 | 48 |
Florence 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