Health insurance in Montgomery County, Texas
8 insurers sell 112 marketplace plans here, and 17.4% 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.
8 insurers competing here
8 insurers sell in Montgomery County — 112 plans in total, around 14 each. Few people compare 112 plans properly without help. The number has not changed since the previous plan year.
One in six has no coverage
17.4% of Montgomery County's 640,879 under-65 residents have no health coverage — 111,335 people. That is below the Texas rate of 19.1%, and puts Montgomery County in the top quarter of the 1,817 counties on this site (222nd).
Some of those 111,335 are in the Texas 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
75,204 Montgomery County residents selected a marketplace plan for 2026: 117 per thousand under-65 residents, 574th of 1,817. That is above the 78 per thousand typical of published counties. 13,107 of them — 17% — were new rather than renewing.
Montgomery County against Texas
Montgomery County is the 11th largest of the 43 Texas counties we publish. Its uninsured rate runs 1.7 points lower than Texas overall and its 8 insurers sit between the state's 1 and 10. Marketplace use is well under the Texas rate.
| Montgomery County | Texas | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 17.4% | 19.1% | 9.9% |
| Insurers selling | 8 | 1–10 | 4 |
| Plans offered | 112 | — | 57 |
| Selections per 1,000 | 117 | 159 | 78 |
| New rather than renewing | 17% | 18% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Williamson County | 631,278 | 10.8% | 10 | 110 |
| El Paso County | 735,209 | 23.7% | 7 | 110 |
| Hidalgo County | 785,748 | 26.7% | 5 | 78 |
| Fort Bend County | 816,264 | 13.0% | 7 | 107 |
Williamson County has 10 insurers against this county's 8 — a reminder that the county line, not the state line, is what decides your options.
Other Texas counties · Where the subsidy stops · Enrollment dates