Health insurance in Johnson County, Kansas
5 insurers sell 55 marketplace plans here, and 6.3% 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
5 insurers compete in Johnson County with 55 plans between them, about 11 plans each. The number has not changed since the previous plan year.
How many people here have no coverage
6.3% of Johnson County's 532,660 under-65 residents have no health coverage — 33,617 people. That is below the Kansas rate of 10.1%, and puts Johnson County in the bottom 10% of the 1,817 counties on this site (1657th).
Some of those 33,617 are in the Kansas 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
42,343 Johnson County residents selected a marketplace plan for 2026: 79 per thousand under-65 residents, 1092nd of 1,817. That is close to the 78 per thousand typical of published counties. 6,878 of them — 16% — were new rather than renewing.
Johnson County against Kansas
Johnson County is the largest of the 4 Kansas counties we publish, by under-65 population. Its uninsured rate runs 3.8 points lower than Kansas overall and with 5 insurers it is as well served as anywhere in Kansas. Marketplace use is close to the Kansas rate.
| Johnson County | Kansas | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 6.3% | 10.1% | 9.9% |
| Insurers selling | 5 | 1–5 | 4 |
| Plans offered | 55 | — | 57 |
| Selections per 1,000 | 79 | 81 | 78 |
| New rather than renewing | 16% | 14% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Sedgwick County | 441,332 | 12.1% | 2 | 25 |
| Wyandotte County | 142,064 | 16.0% | 5 | 55 |
| Shawnee County | 139,491 | 9.3% | 4 | 46 |
All of them have fewer insurers than this county's 5, which makes it the stronger market locally.
Other Kansas counties · Where the subsidy stops · Enrollment dates