RANKING · 2025 ESTIMATES · 72 SHOWN OF 72

Most population gained, Wisconsin counties

Wisconsin counties that added 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.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Dane County, WIWI590,375+28,871−51%

02Waukesha County, WIWI417,210+10,232−82%

03Brown County, WIWI275,803+7,063−78%

04Outagamie County, WIWI195,894+5,189−75%

05St. Croix County, WIWI98,276+4,740−63%

06Eau Claire County, WIWI109,033+3,323−58%

07Ozaukee County, WIWI94,346+2,843−70%

08Rock County, WIWI166,472+2,785−78%

09Winnebago County, WIWI174,218+2,488−85%

10Washington County, WIWI139,238+2,477−89%

11Jefferson County, WIWI86,505+1,605−74%

12Portage County, WIWI71,943+1,566−73%

13Calumet County, WIWI53,982+1,540−76%

14Marathon County, WIWI139,432+1,419−86%

15Chippewa County, WIWI67,614+1,317−54%

16Pierce County, WIWI43,519+1,307−68%

17Oconto County, WIWI40,195+1,230−77%

18Racine County, WIWI198,919+1,192−91%

19Adams County, WIWI21,752+1,098−63%

20Sauk County, WIWI66,652+889−89%

21Lafayette County, WIWI17,478+867+1321%

22Polk County, WIWI45,803+826−87%

23Dunn County, WIWI46,223+783−80%

24Sawyer County, WIWI18,846+772−62%

25Vernon County, WIWI31,443+729−70%

26Vilas County, WIWI23,761+714−79%

27Waushara County, WIWI25,223+703−81%

28Marinette County, WIWI42,574+702−75%

29Burnett County, WIWI17,223+697−73%

30Shawano County, WIWI41,560+679−81%

31Bayfield County, WIWI16,787+567−44%

32La Crosse County, WIWI121,339+555−94%

33Door County, WIWI30,616+550−76%

34Fond du Lac County, WIWI104,669+515−93%

35Grant County, WIWI52,446+508+53%

36Washburn County, WIWI17,087+464−80%

37Trempealeau County, WIWI31,171+411−76%

38Forest County, WIWI9,574+395−68%

39Clark County, WIWI35,052+393−79%

40Manitowoc County, WIWI81,710+351−86%

41Marquette County, WIWI15,927+335−90%

42Monroe County, WIWI46,572+298−93%

43Green Lake County, WIWI19,305+287−37%

44Oneida County, WIWI38,131+286−94%

45Iowa County, WIWI23,951+242−91%

46Taylor County, WIWI20,118+205−74%

47Kewaunee County, WIWI20,758+195−85%

48Pepin County, WIWI7,513+195+84%

49Florence County, WIWI4,748+190−62%

50Ashland County, WIWI16,203+176−69%

51Green County, WIWI37,227+134−96%

52Langlade County, WIWI19,534+43−97%

53Sheboygan County, WIWI118,047+13−100%

54Buffalo County, WIWI13,318+1−100%

55Iron County, WIWI6,127-10−101%

56Lincoln County, WIWI28,403-12−100%

57Rusk County, WIWI14,146-42−116%

58Menominee County, WIWI4,199-56−108%

59Price County, WIWI13,988-66−130%

60Juneau County, WIWI26,649-69−103%

61Jackson County, WIWI20,999-146−106%

62Wood County, WIWI74,060-147−108%

63Crawford County, WIWI15,910-203−116%

64Barron County, WIWI46,484-227−105%

65Richland County, WIWI17,036-268−167%

66Dodge County, WIWI89,097-299−103%

67Douglas County, WIWI43,990-305−120%

68Waupaca County, WIWI51,461-351−106%

69Walworth County, WIWI106,127-351−102%

70Columbia County, WIWI58,132-358−105%

71Kenosha County, WIWI168,448-703−103%

72Milwaukee County, WIWI924,216-15,273−20%

SHOWING 1–72 OF 72

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES