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. The median across all 72 is +464. Biggest climber in the top 100 since 2020: Adams County, WI, up 41 places to #19.

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WisconsinAll states All rankings

SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Dane County, WIWI590,375+28,871−51%

02▲1Waukesha County, WIWI417,210+10,232−82%

03▼1Brown 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%

07▲1Ozaukee County, WIWI94,346+2,843−70%

08▲8Rock County, WIWI166,472+2,785−78%

09▲1Winnebago County, WIWI174,218+2,488−85%

10▼1Washington County, WIWI139,238+2,477−89%

11▲19Jefferson County, WIWI86,505+1,605−74%

12▲29Portage County, WIWI71,943+1,566−73%

13▲2Calumet County, WIWI53,982+1,540−76%

14▼2Marathon County, WIWI139,432+1,419−86%

15▼2Chippewa County, WIWI67,614+1,317−54%

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

17▲12Oconto County, WIWI40,195+1,230−77%

18▲2Racine County, WIWI198,919+1,192−91%

19▲41Adams County, WIWI21,752+1,098−63%

20▼6Sauk County, WIWI66,652+889−89%

21▲40Lafayette County, WIWI17,478+867+1321%

22▲14Polk County, WIWI45,803+826−87%

23▲4Dunn County, WIWI46,223+783−80%

24▲4Sawyer County, WIWI18,846+772−62%

25▲9Vernon County, WIWI31,443+729−70%

26▼1Vilas County, WIWI23,761+714−79%

27▲22Waushara County, WIWI25,223+703−81%

28▲19Marinette County, WIWI42,574+702−75%

29▲4Burnett County, WIWI17,223+697−73%

30▲41Shawano County, WIWI41,560+679−81%

31Bayfield County, WIWI16,787+567−44%

32▼25La Crosse County, WIWI121,339+555−94%

33▼12Door County, WIWI30,616+550−76%

34▼15Fond du Lac County, WIWI104,669+515−93%

35▲2Grant County, WIWI52,446+508+53%

36▲2Washburn County, WIWI17,087+464−80%

37▼15Trempealeau County, WIWI31,171+411−76%

38▲19Forest County, WIWI9,574+395−68%

39▲14Clark County, WIWI35,052+393−79%

40▲15Manitowoc County, WIWI81,710+351−86%

41▲3Marquette County, WIWI15,927+335−90%

42▼16Monroe County, WIWI46,572+298−93%

43▲11Green Lake County, WIWI19,305+287−37%

44▼21Oneida County, WIWI38,131+286−94%

45▲6Iowa County, WIWI23,951+242−91%

46▲24Taylor County, WIWI20,118+205−74%

47▲5Kewaunee County, WIWI20,758+195−85%

48▲11Pepin County, WIWI7,513+195+84%

49▼3Florence County, WIWI4,748+190−62%

50▲8Ashland County, WIWI16,203+176−69%

51▼9Green County, WIWI37,227+134−96%

52▲12Langlade County, WIWI19,534+43−97%

53▼35Sheboygan County, WIWI118,047+13−100%

54▲8Buffalo County, WIWI13,318+1−100%

55▼12Iron County, WIWI6,127-10−101%

56▲7Lincoln County, WIWI28,403-12−100%

57▲10Rusk County, WIWI14,146-42−116%

58▼8Menominee County, WIWI4,199-56−108%

59▼3Price County, WIWI13,988-66−130%

60▼12Juneau County, WIWI26,649-69−103%

61▼22Jackson County, WIWI20,999-146−106%

62▲4Wood County, WIWI74,060-147−108%

63▲2Crawford County, WIWI15,910-203−116%

64▼29Barron County, WIWI46,484-227−105%

65▲4Richland County, WIWI17,036-268−167%

66▼26Dodge County, WIWI89,097-299−103%

67▼22Douglas County, WIWI43,990-305−120%

68Waupaca County, WIWI51,461-351−106%

69▼58Walworth County, WIWI106,127-351−102%

70▼46Columbia County, WIWI58,132-358−105%

71▼54Kenosha County, WIWI168,448-703−103%

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

SHOWING 1–72 OF 72

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