Health insurance in Onslow County, North Carolina
2 insurers sell 37 marketplace plans here, and 8.1% 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.
Two insurers, and what that means
Two insurers sell here, offering 37 plans between them. If either leaves, Onslow County becomes a single-insurer county. Each insurer averages about 18 plans, so most of the choice here is between products from the same company rather than between companies. The number has not changed since the previous plan year.
How many people here have no coverage
8.1% of Onslow County's 168,928 under-65 residents have no health coverage — 13,632 people. That is below the North Carolina rate of 10.2%, and puts Onslow County in the bottom quarter of the 1,817 counties on this site (1397th).
How much the marketplace is used
8,489 Onslow County residents selected a marketplace plan for 2026: 50 per thousand under-65 residents, 1570th of 1,817. That is under the 78 per thousand typical of published counties. 1,042 of them — 12% — were new rather than renewing.
Onslow County against North Carolina
Onslow County is the 13th largest of the 24 North Carolina counties we publish. Its uninsured rate runs 2.1 points lower than North Carolina overall and with 2 it has the fewest insurers of any North Carolina county. Marketplace use is well under the North Carolina rate.
| Onslow County | North Carolina | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 8.1% | 10.2% | 9.9% |
| Insurers selling | 2 | 2–6 | 4 |
| Plans offered | 37 | — | 57 |
| Selections per 1,000 | 50 | 87 | 78 |
| New rather than renewing | 12% | 17% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Iredell County | 170,474 | 9.2% | 4 | 63 |
| New Hanover County | 189,547 | 8.9% | 4 | 65 |
| Alamance County | 144,917 | 11.8% | 5 | 45 |
| Pitt County | 143,186 | 9.8% | 2 | 28 |
| Cass County (North Dakota) | 166,524 | 6.0% | 3 | 40 |
Alamance County has 5 insurers against this county's 2 — a reminder that the county line, not the state line, is what decides your options.
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