RANKING · 2020 CENSUS · 72 SHOWN OF 72

Most population gained, Wisconsin counties · 2020

Wisconsin counties that added the most residents from the 2010 census to 2020, 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+73,431+24%

02Brown County, WIWI275,803+20,733−36%

03Waukesha County, WIWI417,210+17,087−70%

04Outagamie County, WIWI195,894+14,010−32%

05St. Croix County, WIWI98,276+9,191−29%

06Eau Claire County, WIWI109,033+6,974−12%

07La Crosse County, WIWI121,339+6,146−33%

08Ozaukee County, WIWI94,346+5,108−46%

09Washington County, WIWI139,238+4,874−78%

10Winnebago County, WIWI174,218+4,736−71%

11Walworth County, WIWI106,127+4,250−77%

12Marathon County, WIWI139,432+3,950−62%

13Chippewa County, WIWI67,614+3,882+37%

14Sauk County, WIWI66,652+3,787−54%

15Calumet County, WIWI53,982+3,471−45%

16Rock County, WIWI166,472+3,356−74%

17Kenosha County, WIWI168,448+2,725−87%

18Sheboygan County, WIWI118,047+2,527−71%

19Fond du Lac County, WIWI104,669+2,521−65%

20Racine County, WIWI198,919+2,319−83%

21Door County, WIWI30,616+2,281+0%

22Trempealeau County, WIWI31,171+1,944+11%

23Oneida County, WIWI38,131+1,847−64%

24Columbia County, WIWI58,132+1,657−78%

25Vilas County, WIWI23,761+1,617−51%

26Monroe County, WIWI46,572+1,601−62%

27Dunn County, WIWI46,223+1,583−60%

28Sawyer County, WIWI18,846+1,517−25%

29Oconto County, WIWI40,195+1,305−76%

30Jefferson County, WIWI86,505+1,214−81%

31Bayfield County, WIWI16,787+1,206+20%

32Pierce County, WIWI43,519+1,193−70%

33Burnett County, WIWI17,223+1,069−59%

34Vernon County, WIWI31,443+941−61%

35Barron County, WIWI46,484+841−80%

36Polk County, WIWI45,803+772−88%

37Grant County, WIWI52,446+730+119%

38Washburn County, WIWI17,087+712−69%

39Jackson County, WIWI20,999+696−72%

40Dodge County, WIWI89,097+637−93%

41Portage County, WIWI71,943+358−94%

42Green County, WIWI37,227+251−92%

43Iron County, WIWI6,127+221−69%

44Marquette County, WIWI15,927+188−95%

45Douglas County, WIWI43,990+136−91%

46Florence County, WIWI4,748+135−73%

47Marinette County, WIWI42,574+123−96%

48Juneau County, WIWI26,649+54−98%

49Waushara County, WIWI25,223+24−99%

50Menominee County, WIWI4,199+23−97%

51Iowa County, WIWI23,951+22−99%

52Kewaunee County, WIWI20,758-11−101%

53Clark County, WIWI35,052-31−102%

54Green Lake County, WIWI19,305-33−107%

55Manitowoc County, WIWI81,710-83−103%

56Price County, WIWI13,988-105−147%

57Forest County, WIWI9,574-125−110%

58Ashland County, WIWI16,203-130−123%

59Pepin County, WIWI7,513-151−242%

60Adams County, WIWI21,752-221−107%

61Lafayette County, WIWI17,478-225−469%

62Buffalo County, WIWI13,318-270−223%

63Lincoln County, WIWI28,403-328−112%

64Langlade County, WIWI19,534-486−139%

65Crawford County, WIWI15,910-531−141%

66Wood County, WIWI74,060-542−128%

67Rusk County, WIWI14,146-567−312%

68Waupaca County, WIWI51,461-598−111%

69Richland County, WIWI17,036-717−278%

70Taylor County, WIWI20,118-776−200%

71Shawano County, WIWI41,560-1,068−130%

72Milwaukee County, WIWI924,216-8,246−57%

SHOWING 1–72 OF 72

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS