Health insurance in Waukesha County, Wisconsin
5 insurers sell 62 marketplace plans here, and 3.9% 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 Waukesha County with 62 plans between them, about 12 plans each. The number has not changed since the previous plan year.
Comparatively few people go uncovered
3.9% of Waukesha County's 328,203 under-65 residents have no health coverage — 12,676 people. That is below the Wisconsin rate of 6.4%, and puts Waukesha County in the bottom 10% of the 1,817 counties on this site (1815th).
How much the marketplace is used
19,480 Waukesha County residents selected a marketplace plan for 2026: 59 per thousand under-65 residents, 1422nd of 1,817. That is under the 78 per thousand typical of published counties. 2,919 of them — 15% — were new rather than renewing.
Waukesha County against Wisconsin
Waukesha County is the 3rd largest of the 12 Wisconsin counties we publish. Its uninsured rate runs 2.5 points lower than Wisconsin overall and with 5 insurers it is as well served as anywhere in Wisconsin. Marketplace use is close to the Wisconsin rate.
| Waukesha County | Wisconsin | Published median | |
|---|---|---|---|
| Uninsured, under 65 | 3.9% | 6.4% | 9.9% |
| Insurers selling | 5 | 1–5 | 4 |
| Plans offered | 62 | — | 57 |
| Selections per 1,000 | 59 | 62 | 78 |
| New rather than renewing | 15% | 14% | 15% |
Counties of a similar size nearby
| County | Under 65 | Uninsured | Insurers | Plans |
|---|---|---|---|---|
| Brown County | 220,923 | 6.3% | 5 | 57 |
| Dane County | 487,201 | 4.6% | 3 | 49 |
| Outagamie County | 159,101 | 5.3% | 3 | 30 |
| Racine County | 157,415 | 7.0% | 3 | 35 |
| Milwaukee County | 755,695 | 8.4% | 3 | 35 |
All of them have fewer insurers than this county's 5, which makes it the stronger market locally.
62 plans is a lot to work through. Start with network type, then the metal tiers. Other Wisconsin counties.