Health insurance in Delaware County, Ohio
7 insurers sell 113 marketplace plans here, and 4.5% 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.
7 insurers competing here
7 insurers sell in Delaware County — 113 plans in total, around 16 each. Few people compare 113 plans properly without help. It gained 1 since the previous plan year, up from 6.
Comparatively few people go uncovered
4.5% of Delaware County's 200,673 under-65 residents have no health coverage — 9,111 people. That is below the Ohio rate of 8.1%, and puts Delaware County in the bottom 10% of the 1,817 counties on this site (1806th).
How much the marketplace is used
9,806 Delaware County residents selected a marketplace plan for 2026: 49 per thousand under-65 residents, 1608th of 1,817. That is under the 78 per thousand typical of published counties. 1,439 of them — 15% — were new rather than renewing.
Delaware County against Ohio
Delaware County is the 9th largest of the 22 Ohio counties we publish. Its uninsured rate runs 3.6 points lower than Ohio overall and its 7 insurers sit between the state's 3 and 9. Marketplace use is close to the Ohio rate.
| Delaware County | Ohio | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 4.5% | 8.1% | 9.9% |
| Insurers selling | 7 | 3–9 | 4 |
| Plans offered | 113 | — | 57 |
| Selections per 1,000 | 49 | 50 | 78 |
| New rather than renewing | 15% | 16% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Warren County | 211,958 | 5.5% | 8 | 130 |
| Lake County | 178,657 | 6.3% | 7 | 105 |
| Clermont County | 172,881 | 7.0% | 8 | 130 |
| Mahoning County | 168,115 | 7.7% | 7 | 114 |
Warren County has 8 insurers against this county's 7 — a reminder that the county line, not the state line, is what decides your options.
113 plans is a lot to work through. Start with network type, then the metal tiers. Other Ohio counties.