RANKING · 2020 CENSUS · 72 SHOWN OF 72

Fastest growing, Wisconsin counties · 2020

Wisconsin counties ranked by population growth from the 2010 census to 2020. This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Dane County, WIWI590,375+15.0%−7%

02St. Croix County, WIWI98,276+10.9%−58%

03Sawyer County, WIWI18,846+9.2%−36%

04Brown County, WIWI275,803+8.4%−49%

05Door County, WIWI30,616+8.2%−7%

06Bayfield County, WIWI16,787+8.0%+12%

07Outagamie County, WIWI195,894+7.9%−46%

08Vilas County, WIWI23,761+7.5%−60%

09Calumet County, WIWI53,982+7.1%−62%

10Eau Claire County, WIWI109,033+7.1%−24%

11Burnett County, WIWI17,223+6.9%−65%

12Trempealeau County, WIWI31,171+6.7%−2%

13Chippewa County, WIWI67,614+6.2%+15%

14Sauk County, WIWI66,652+6.1%−65%

15Ozaukee County, WIWI94,346+5.9%−55%

16La Crosse County, WIWI121,339+5.4%−43%

17Oneida County, WIWI38,131+5.1%−68%

18Washburn County, WIWI17,087+4.5%−73%

19Waukesha County, WIWI417,210+4.4%−76%

20Walworth County, WIWI106,127+4.2%−83%

21Iron County, WIWI6,127+3.7%−68%

22Washington County, WIWI139,238+3.7%−84%

23Dunn County, WIWI46,223+3.6%−67%

24Monroe County, WIWI46,572+3.6%−69%

25Oconto County, WIWI40,195+3.5%−81%

26Jackson County, WIWI20,999+3.4%−78%

27Vernon County, WIWI31,443+3.2%−67%

28Florence County, WIWI4,748+3.1%−72%

29Marathon County, WIWI139,432+2.9%−67%

30Columbia County, WIWI58,132+2.9%−82%

31Pierce County, WIWI43,519+2.9%−76%

32Winnebago County, WIWI174,218+2.8%−76%

33Fond du Lac County, WIWI104,669+2.5%−69%

34Sheboygan County, WIWI118,047+2.2%−74%

35Rock County, WIWI166,472+2.1%−77%

36Barron County, WIWI46,484+1.8%−82%

37Polk County, WIWI45,803+1.7%−91%

38Kenosha County, WIWI168,448+1.6%−90%

39Jefferson County, WIWI86,505+1.5%−84%

40Grant County, WIWI52,446+1.4%+111%

41Marquette County, WIWI15,927+1.2%−96%

42Racine County, WIWI198,919+1.2%−85%

43Dodge County, WIWI89,097+0.7%−94%

44Green County, WIWI37,227+0.7%−94%

45Menominee County, WIWI4,199+0.5%−97%

46Portage County, WIWI71,943+0.5%−95%

47Douglas County, WIWI43,990+0.3%−92%

48Marinette County, WIWI42,574+0.3%−96%

49Juneau County, WIWI26,649+0.2%−98%

50Waushara County, WIWI25,223+0.1%−99%

51Iowa County, WIWI23,951+0.1%−99%

52Kewaunee County, WIWI20,758-0.1%−101%

53Clark County, WIWI35,052-0.1%−101%

54Manitowoc County, WIWI81,710-0.1%−103%

55Green Lake County, WIWI19,305-0.2%−107%

56Wood County, WIWI74,060-0.7%−127%

57Price County, WIWI13,988-0.7%−152%

58Ashland County, WIWI16,203-0.8%−123%

59Milwaukee County, WIWI924,216-0.9%−56%

60Adams County, WIWI21,752-1.1%−106%

61Waupaca County, WIWI51,461-1.1%−109%

62Lincoln County, WIWI28,403-1.1%−112%

63Lafayette County, WIWI17,478-1.3%−452%

64Forest County, WIWI9,574-1.3%−109%

65Buffalo County, WIWI13,318-2.0%−223%

66Pepin County, WIWI7,513-2.0%−236%

67Langlade County, WIWI19,534-2.4%−138%

68Shawano County, WIWI41,560-2.5%−127%

69Crawford County, WIWI15,910-3.2%−139%

70Taylor County, WIWI20,118-3.8%−191%

71Rusk County, WIWI14,146-3.8%−316%

72Richland County, WIWI17,036-4.0%−273%

SHOWING 1–72 OF 72

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