RANKING · 2025 ESTIMATES · 72 SHOWN OF 72

Most population lost, Wisconsin counties

Wisconsin counties that lost the most residents from the 2020 census to 2025, by raw count of people rather than percentage. This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is +464. Biggest climber in the top 100 since 2020: Walworth County, WI, up 57 places to #5.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Milwaukee County, WIWI924,216-15,273−20%

02▲54Kenosha County, WIWI168,448-703−103%

03▲46Columbia County, WIWI58,132-358−105%

04▲1Waupaca County, WIWI51,461-351−106%

05▲57Walworth County, WIWI106,127-351−102%

06▲22Douglas County, WIWI43,990-305−120%

07▲26Dodge County, WIWI89,097-299−103%

08▼4Richland County, WIWI17,036-268−167%

09▲29Barron County, WIWI46,484-227−105%

10▼2Crawford County, WIWI15,910-203−116%

11▼4Wood County, WIWI74,060-147−108%

12▲22Jackson County, WIWI20,999-146−106%

13▲12Juneau County, WIWI26,649-69−103%

14▲3Price County, WIWI13,988-66−130%

15▲8Menominee County, WIWI4,199-56−108%

16▼10Rusk County, WIWI14,146-42−116%

17▼7Lincoln County, WIWI28,403-12−100%

18▲12Iron County, WIWI6,127-10−101%

19▼8Buffalo County, WIWI13,318+1−100%

20▲35Sheboygan County, WIWI118,047+13−100%

21▼12Langlade County, WIWI19,534+43−97%

22▲9Green County, WIWI37,227+134−96%

23▼8Ashland County, WIWI16,203+176−69%

24▲3Florence County, WIWI4,748+190−62%

25▼4Kewaunee County, WIWI20,758+195−85%

26▼12Pepin County, WIWI7,513+195+84%

27▼24Taylor County, WIWI20,118+205−74%

28▼6Iowa County, WIWI23,951+242−91%

29▲21Oneida County, WIWI38,131+286−94%

30▼11Green Lake County, WIWI19,305+287−37%

31▲16Monroe County, WIWI46,572+298−93%

32▼3Marquette County, WIWI15,927+335−90%

33▼15Manitowoc County, WIWI81,710+351−86%

34▼14Clark County, WIWI35,052+393−79%

35▼19Forest County, WIWI9,574+395−68%

36▲15Trempealeau County, WIWI31,171+411−76%

37▼2Washburn County, WIWI17,087+464−80%

38▼2Grant County, WIWI52,446+508+53%

39▲15Fond du Lac County, WIWI104,669+515−93%

40▲12Door County, WIWI30,616+550−76%

41▲25La Crosse County, WIWI121,339+555−94%

42Bayfield County, WIWI16,787+567−44%

43▼41Shawano County, WIWI41,560+679−81%

44▼4Burnett County, WIWI17,223+697−73%

45▼19Marinette County, WIWI42,574+702−75%

46▼22Waushara County, WIWI25,223+703−81%

47▲1Vilas County, WIWI23,761+714−79%

48▼9Vernon County, WIWI31,443+729−70%

49▼4Sawyer County, WIWI18,846+772−62%

50▼4Dunn County, WIWI46,223+783−80%

51▼14Polk County, WIWI45,803+826−87%

52▼40Lafayette County, WIWI17,478+867+1321%

53▲6Sauk County, WIWI66,652+889−89%

54▼41Adams County, WIWI21,752+1,098−63%

55▼2Racine County, WIWI198,919+1,192−91%

56▼12Oconto County, WIWI40,195+1,230−77%

57▼16Pierce County, WIWI43,519+1,307−68%

58▲2Chippewa County, WIWI67,614+1,317−54%

59▲2Marathon County, WIWI139,432+1,419−86%

60▼2Calumet County, WIWI53,982+1,540−76%

61▼29Portage County, WIWI71,943+1,566−73%

62▼19Jefferson County, WIWI86,505+1,605−74%

63▲1Washington County, WIWI139,238+2,477−89%

64▼1Winnebago County, WIWI174,218+2,488−85%

65▼8Rock County, WIWI166,472+2,785−78%

66▼1Ozaukee County, WIWI94,346+2,843−70%

67Eau Claire County, WIWI109,033+3,323−58%

68St. Croix County, WIWI98,276+4,740−63%

69Outagamie County, WIWI195,894+5,189−75%

70▲1Brown County, WIWI275,803+7,063−78%

71▼1Waukesha County, WIWI417,210+10,232−82%

72Dane County, WIWI590,375+28,871−51%

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES