CMS Medicare enrollment · April 2026
Wisconsin Medicare Enrollment
State and county enrollment from CMS, including Original Medicare, Medicare Advantage and Other Health Plans, and Part D coverage.
Informational only. These enrollment counts do not compare plans or provide medical, financial, or enrollment advice.
Wisconsin enrollment figures
- Total Medicare enrollment
- 1.4M
- Original Medicare
- 581.2K
- MA & Other share
- 57.5%
- Part D coverage
- 80.6%
1,367,833
581,213 beneficiaries
CMS combined delivery-system measure
1,101,859 beneficiaries
County enrollment
73 CMS county rows for Wisconsin. Unavailable values remain marked as not reported rather than estimated.
| County | Total | Original Medicare | MA & Other | MA & Other share | Part D share |
|---|---|---|---|---|---|
| Adams County | 7,502 | 3,828 | 3,674 | 49% | 76% |
| Ashland County | 4,490 | 2,485 | 2,005 | 44.7% | 73.1% |
| Barron County | 13,663 | 6,467 | 7,196 | 52.7% | 71.1% |
| Bayfield County | 5,919 | 3,364 | 2,555 | 43.2% | 70.6% |
| Brown County | 57,084 | 16,287 | 40,797 | 71.5% | 84.3% |
| Buffalo County | 3,738 | 2,295 | 1,443 | 38.6% | 73.3% |
| Burnett County | 6,259 | 3,181 | 3,078 | 49.2% | 72.8% |
| Calumet County | 9,350 | 2,529 | 6,821 | 73% | 86.5% |
| Chippewa County | 16,553 | 8,214 | 8,339 | 50.4% | 72.1% |
| Clark County | 7,699 | 2,970 | 4,729 | 61.4% | 67.4% |
| Columbia County | 15,199 | 8,659 | 6,540 | 43% | 75.6% |
| Crawford County | 4,724 | 3,200 | 1,524 | 32.3% | 75.6% |
| Dane County | 105,580 | 64,624 | 40,956 | 38.8% | 78.6% |
| Dodge County | 21,542 | 9,693 | 11,849 | 55% | 81.6% |
| Door County | 11,357 | 5,916 | 5,441 | 47.9% | 81.3% |
| Douglas County | 11,588 | 4,277 | 7,311 | 63.1% | 78.6% |
| Dunn County | 10,492 | 5,551 | 4,941 | 47.1% | 74.8% |
| Eau Claire County | 22,866 | 11,797 | 11,069 | 48.4% | 74.9% |
| Florence County | 1,732 | 851 | 881 | 50.9% | 77.6% |
| Fond Du Lac County | 24,608 | 7,631 | 16,977 | 69% | 85.6% |
| Forest County | 2,938 | 1,399 | 1,539 | 52.4% | 71.7% |
| Grant County | 12,311 | 6,186 | 6,125 | 49.8% | 77% |
| Green County | 9,617 | 6,254 | 3,363 | 35% | 72.9% |
| Green Lake County | 5,838 | 1,975 | 3,863 | 66.2% | 84.9% |
| Iowa County | 6,245 | 3,982 | 2,263 | 36.2% | 72.3% |
| Iron County | 2,295 | 1,000 | 1,295 | 56.4% | 75.4% |
| Jackson County | 5,085 | 2,818 | 2,267 | 44.6% | 73.7% |
| Jefferson County | 19,391 | 10,578 | 8,813 | 45.4% | 79.2% |
| Juneau County | 7,500 | 4,500 | 3,000 | 40% | 70.4% |
| Kenosha County | 34,038 | 15,706 | 18,332 | 53.9% | 81.3% |
| Kewaunee County | 5,435 | 1,633 | 3,802 | 70% | 84% |
| La Crosse County | 26,804 | 13,144 | 13,660 | 51% | 78.9% |
| Lafayette County | 4,036 | 2,309 | 1,727 | 42.8% | 72.2% |
| Langlade County | 6,277 | 2,159 | 4,118 | 65.6% | 71.9% |
| Lincoln County | 8,715 | 3,351 | 5,364 | 61.5% | 72.3% |
| Manitowoc County | 22,412 | 7,920 | 14,492 | 64.7% | 85.8% |
| Marathon County | 31,932 | 10,963 | 20,969 | 65.7% | 73.4% |
| Marinette County | 14,150 | 4,715 | 9,435 | 66.7% | 82.6% |
| Marquette County | 5,460 | 2,460 | 3,000 | 54.9% | 78.4% |
| Menominee County | 948 | 354 | 594 | 62.7% | 74.6% |
| Milwaukee County | 165,643 | 53,471 | 112,172 | 67.7% | 86.2% |
| Monroe County | 10,708 | 6,451 | 4,257 | 39.8% | 68.2% |
| Oconto County | 11,003 | 2,798 | 8,205 | 74.6% | 82.2% |
| Oneida County | 13,661 | 6,671 | 6,990 | 51.2% | 73.4% |
| Outagamie County | 42,483 | 11,282 | 31,201 | 73.4% | 86.7% |
| Ozaukee County | 24,517 | 10,855 | 13,662 | 55.7% | 85.2% |
| Pepin County | 2,314 | 1,345 | 969 | 41.9% | 72.2% |
| Pierce County | 9,622 | 4,714 | 4,908 | 51% | 76% |
| Polk County | 13,037 | 6,298 | 6,739 | 51.7% | 70.5% |
| Portage County | 16,424 | 7,349 | 9,075 | 55.3% | 79.8% |
| Price County | 5,041 | 2,365 | 2,676 | 53.1% | 70.7% |
| Racine County | 46,655 | 17,429 | 29,226 | 62.6% | 84.3% |
| Richland County | 4,701 | 3,232 | 1,469 | 31.2% | 66.1% |
| Rock County | 37,748 | 18,953 | 18,795 | 49.8% | 80.5% |
| Rusk County | 4,518 | 1,904 | 2,614 | 57.9% | 68.8% |
| Sauk County | 16,149 | 9,979 | 6,170 | 38.2% | 73% |
| Sawyer County | 6,452 | 3,331 | 3,121 | 48.4% | 72.4% |
| Shawano County | 10,702 | 2,982 | 7,720 | 72.1% | 81.9% |
| Sheboygan County | 29,314 | 11,460 | 17,854 | 60.9% | 83.1% |
| St. Croix County | 19,604 | 9,982 | 9,622 | 49.1% | 76.6% |
| Taylor County | 5,055 | 1,814 | 3,241 | 64.1% | 61.3% |
| Trempealeau County | 7,302 | 3,729 | 3,573 | 48.9% | 72.1% |
| Unknown | Not reported | Not reported | Not reported | Not reported | Not reported |
| Vernon County | 7,947 | 4,481 | 3,466 | 43.6% | 74.9% |
| Vilas County | 9,414 | 5,115 | 4,299 | 45.7% | 76.4% |
| Walworth County | 25,646 | 13,647 | 11,999 | 46.8% | 80.2% |
| Washburn County | 6,505 | 3,193 | 3,312 | 50.9% | 73.5% |
| Washington County | 34,559 | 12,397 | 22,162 | 64.1% | 84.9% |
| Waukesha County | 105,694 | 42,141 | 63,553 | 60.1% | 85% |
| Waupaca County | 15,554 | 4,398 | 11,156 | 71.7% | 85.6% |
| Waushara County | 7,543 | 2,338 | 5,205 | 69% | 83% |
| Winnebago County | 38,054 | 10,770 | 27,284 | 71.7% | 86.9% |
| Wood County | 20,892 | 7,114 | 13,778 | 65.9% | 74.3% |
Source and interpretation
CMS Medicare Monthly Enrollment, April 2026, published 2026-07-23. “MA & Other” retains the official combined CMS field label.
- CMS suppresses some small counts with an asterisk; suppressed values remain null in this snapshot.
- Medicare Advantage and Other Health Plans is the CMS-published combined measure and is not limited to Medicare Advantage alone.
- Enrollment counts describe a reporting month and do not compare plan benefits, provider networks, quality, or personal costs.