RANKING · 2024 ACS · 72 SHOWN OF 72

Most uninsured people, Wisconsin counties

Wisconsin counties with the most residents lacking health insurance, as of the 2024 American Community Survey. Ranked by number of people, not the uninsured rate. This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 2,223. Biggest climber in the top 100 since 2020: Lafayette County, WI, up 11 places to #38.

WisconsinAll states All rankings

SAME RANKING BYCities States Metros

YEAR2020 2024

RANKPLACESTATEPOPUNINSURED RESIDENTSVS 2020

01Milwaukee County, WIWI924,21665,984−3%

02Dane County, WIWI590,37520,491+5%

03Brown County, WIWI275,80313,573+1%

04Waukesha County, WIWI417,21012,537−4%

05▲1Racine County, WIWI198,91911,071+19%

06▼1Kenosha County, WIWI168,4489,578−14%

07Rock County, WIWI166,4728,993−2%

08▲1Marathon County, WIWI139,4328,009−1%

09▲3Clark County, WIWI35,0527,735+11%

10▼2Outagamie County, WIWI195,8947,735−13%

11▼1Winnebago County, WIWI174,2187,5810%

12▼1Eau Claire County, WIWI109,0336,595−11%

13Walworth County, WIWI106,1275,960−10%

14La Crosse County, WIWI121,3395,211+2%

15▲1Sheboygan County, WIWI118,0474,638+1%

16▲1Vernon County, WIWI31,4434,629+8%

17▲1Fond du Lac County, WIWI104,6694,168−1%

18▲3Jefferson County, WIWI86,5054,075+14%

19▲5Grant County, WIWI52,4464,064+22%

20▼1Monroe County, WIWI46,5724,060−1%

21▼1Sauk County, WIWI66,6523,947−3%

22▲3St. Croix County, WIWI98,2763,874+17%

23▼8Washington County, WIWI139,2383,864−22%

24▲3Dodge County, WIWI89,0973,495+8%

25▼3Portage County, WIWI71,9433,385−2%

26▲3Manitowoc County, WIWI81,7103,333+4%

27▼1Wood County, WIWI74,0603,296+1%

28▲2Waupaca County, WIWI51,4612,959−5%

29▼6Barron County, WIWI46,4842,879−15%

30▲2Columbia County, WIWI58,1322,838−3%

31▼3Chippewa County, WIWI67,6142,829−12%

32▲3Polk County, WIWI45,8032,806+11%

33▲4Trempealeau County, WIWI31,1712,645+18%

34▼1Shawano County, WIWI41,5602,466−8%

35▲1Ozaukee County, WIWI94,3462,336−3%

36▼5Dunn County, WIWI46,2232,223−26%

37▲2Waushara County, WIWI25,2232,189+24%

38▲11Lafayette County, WIWI17,4781,767+19%

39▼1Marinette County, WIWI42,5741,740−11%

40▼6Douglas County, WIWI43,9901,730−31%

41▲5Green Lake County, WIWI19,3051,713+11%

42▼1Oneida County, WIWI38,1311,600−6%

43▲4Taylor County, WIWI20,1181,462−3%

44▲1Green County, WIWI37,2271,406−12%

45▼1Calumet County, WIWI53,9821,373−15%

46▲2Oconto County, WIWI40,1951,371−9%

47▼4Juneau County, WIWI26,6491,365−18%

48▼6Jackson County, WIWI20,9991,340−20%

49▲8Lincoln County, WIWI28,4031,329+27%

50▲1Vilas County, WIWI23,7611,318−10%

51▼11Pierce County, WIWI43,5191,309−25%

52▼2Richland County, WIWI17,0361,204−19%

53▼1Sawyer County, WIWI18,8461,181−4%

54▲1Crawford County, WIWI15,9101,060−1%

55▲1Door County, WIWI30,6161,049−1%

56▲11Ashland County, WIWI16,2031,015+32%

57▼3Burnett County, WIWI17,2231,008−9%

58Langlade County, WIWI19,534984−5%

59▲3Adams County, WIWI21,752942+2%

60▲1Washburn County, WIWI17,087892−4%

61▼1Marquette County, WIWI15,927869−7%

62▲1Bayfield County, WIWI16,787868+1%

63▼10Menominee County, WIWI4,199866−25%

64▲1Iowa County, WIWI23,9518050%

65▲4Price County, WIWI13,988804+11%

66▼2Kewaunee County, WIWI20,758798−3%

67▼8Rusk County, WIWI14,146796−23%

68▼2Forest County, WIWI9,574705−10%

69▲1Pepin County, WIWI7,513668+15%

70▼2Buffalo County, WIWI13,318562−27%

71Iron County, WIWI6,127374+20%

72Florence County, WIWI4,748265−15%

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES