Wisconsin counties

Medicare Advantage and marketplace plans are set by area, so start with your county. 72 listed.

CountyPopulation (2023 est.)Rank in Wisconsin
Adams County21,44950
Ashland County16,07962
Barron County46,83330
Bayfield County16,76961
Brown County271,4174
Buffalo County13,41967
Burnett County17,09258
Calumet County53,19927
Chippewa County66,97024
Clark County34,77441
Columbia County58,09126
Crawford County15,94463
Dane County575,3472
Dodge County88,23119
Door County30,56244
Douglas County44,26434
Dunn County45,79432
Eau Claire County107,90314
Florence County4,68271
Fond du Lac County103,94816
Forest County9,32568
Grant County51,40928
Green County36,95140
Green Lake County19,34455
Iowa County23,95648
Iron County6,22870
Jackson County20,85551
Jefferson County85,74320
Juneau County26,59446
Kenosha County167,4888
Kewaunee County20,69052
La Crosse County120,48612
Lafayette County16,94559
Langlade County19,40454
Lincoln County28,40545
Manitowoc County81,33121
Marathon County138,61210
Marinette County42,10636
Marquette County15,83864
Menominee County4,22672
Milwaukee County916,2051
Monroe County46,15131
Oconto County39,77538
Oneida County38,22639
Outagamie County193,2346
Ozaukee County93,46018
Pepin County7,44169
Pierce County43,02635
Polk County45,76233
Portage County71,02423
Price County14,10266
Racine County196,6135
Richland County17,19757
Rock County164,2789
Rusk County14,14365
Sauk County65,92025
Sawyer County18,55256
Shawano County41,10937
Sheboygan County117,75213
St. Croix County96,76317
Taylor County20,05853
Trempealeau County30,89943
Vernon County31,17042
Vilas County23,88549
Walworth County105,82215
Washburn County16,93060
Washington County138,16811
Waukesha County412,5913
Waupaca County51,38829
Waushara County24,93447
Winnebago County171,7357
Wood County73,93922

Population: U.S. Census Bureau Population Estimates, 2023.

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Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.

Do it yourself

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Medicare

Medicare Open Enrollment starts October 15th

Take a look at Wisconsin plans, or go ahead and enroll yourself. Call if you need any help with your application.

Under 65 · ACA

ACA Open Enrollment opens November 1st

Take a look at Wisconsin plans, or go ahead and enroll yourself when it opens. Call if you need any help with your application.

Questions along the way? Call 855-367-1095 for assistance.