Health insurance in Collin County, Texas
10 insurers sell 127 marketplace plans here, and 11.0% 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.
10 insurers competing here
10 insurers sell in Collin County — 127 plans in total, around 13 each. Few people compare 127 plans properly without help. The number has not changed since the previous plan year.
Coverage is better here than across the state
11.0% of Collin County's 1,094,272 under-65 residents have no health coverage — 120,068 people. That is far below Texas as a whole, which sits at 19.1% — 8.1 points better than its own state, and puts Collin County in the middle half of the 1,817 counties on this site (886th).
Some of those 120,068 are in the Texas coverage gap: under $15,960 a year, too little for a subsidy and no expanded Medicaid to fall back on.
The marketplace is used heavily here
168,207 Collin County residents selected a marketplace plan for 2026: 154 per thousand under-65 residents, 321st of 1,817. That is 2.0× the 78 per thousand typical here. 46,619 — 28% — were new rather than renewing, an unusually high share.
Collin County against Texas
Collin County is the 6th largest of the 43 Texas counties we publish. Its uninsured rate runs 8.1 points lower than Texas overall and with 10 insurers it is as well served as anywhere in Texas. Marketplace use is close to the Texas rate.
| Collin County | Texas | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 11.0% | 19.1% | 9.9% |
| Insurers selling | 10 | 1–10 | 4 |
| Plans offered | 127 | — | 57 |
| Selections per 1,000 | 154 | 159 | 78 |
| New rather than renewing | 28% | 18% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Travis County | 1,187,487 | 14.6% | 10 | 110 |
| Denton County | 910,036 | 11.7% | 8 | 117 |
| Fort Bend County | 816,264 | 13.0% | 7 | 107 |
| Hidalgo County | 785,748 | 26.7% | 5 | 78 |
All of them have fewer insurers than this county's 10, which makes it the stronger market locally.
Other Texas counties · Where the subsidy stops · Enrollment dates