RANKING · 2010 CENSUS · 72 SHOWN OF 72

Youngest by median age, Wisconsin counties · 2010

Wisconsin counties with the youngest median age (2010 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 41.5.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Menominee County, WIWI4,19931.4+13%

02Eau Claire County, WIWI109,03333.4+3%

03Dunn County, WIWI46,22333.5+9%

04Milwaukee County, WIWI924,21633.60%

05Dane County, WIWI590,37534.4+4%

06Pierce County, WIWI43,51934.5+7%

07La Crosse County, WIWI121,33935.2+5%

08Portage County, WIWI71,94335.8+8%

09Brown County, WIWI275,80336.2+6%

10Kenosha County, WIWI168,44836.3+4%

11Grant County, WIWI52,44636.4+1%

12St. Croix County, WIWI98,27636.7+5%

13Outagamie County, WIWI195,89437.1+8%

14Clark County, WIWI35,05237.2+4%

15Winnebago County, WIWI174,21837.9+7%

16Rock County, WIWI166,47238.0+6%

17Walworth County, WIWI106,12738.1+9%

18Jefferson County, WIWI86,50538.2+4%

19Calumet County, WIWI53,98238.4+9%

20Racine County, WIWI198,91939.0+8%

21Monroe County, WIWI46,57239.1+6%

22Marathon County, WIWI139,43239.4+9%

23Douglas County, WIWI43,99039.8+6%

24Sauk County, WIWI66,65240.0+7%

25Chippewa County, WIWI67,61440.1+7%

26Fond du Lac County, WIWI104,66940.2+9%

27Ashland County, WIWI16,20340.3+9%

28Sheboygan County, WIWI118,04740.3+10%

29Lafayette County, WIWI17,47840.4+6%

30Dodge County, WIWI89,09740.7+10%

31Trempealeau County, WIWI31,17140.8+7%

32Washington County, WIWI139,23840.9+12%

33Columbia County, WIWI58,13241.0+8%

34Green County, WIWI37,22741.1+8%

35Iowa County, WIWI23,95141.1+11%

36Jackson County, WIWI20,99941.4+10%

37Vernon County, WIWI31,44341.5+6%

38Taylor County, WIWI20,11841.8+12%

39Waukesha County, WIWI417,21042.0+10%

40Kewaunee County, WIWI20,75842.2+13%

41Polk County, WIWI45,80342.5+10%

42Wood County, WIWI74,06042.6+12%

43Ozaukee County, WIWI94,34642.9+10%

44Manitowoc County, WIWI81,71043.0+12%

45Shawano County, WIWI41,56043.0+12%

46Richland County, WIWI17,03643.0+10%

47Barron County, WIWI46,48443.1+11%

48Waupaca County, WIWI51,46143.5+13%

49Juneau County, WIWI26,64943.6+11%

50Oconto County, WIWI40,19543.7+13%

51Forest County, WIWI9,57444.1+11%

52Pepin County, WIWI7,51344.1+14%

53Buffalo County, WIWI13,31844.1+12%

54Green Lake County, WIWI19,30544.5+9%

55Crawford County, WIWI15,91044.7+15%

56Lincoln County, WIWI28,40344.7+15%

57Langlade County, WIWI19,53445.7+13%

58Marinette County, WIWI42,57445.7+13%

59Rusk County, WIWI14,14645.8+14%

60Waushara County, WIWI25,22346.2+10%

61Sawyer County, WIWI18,84647.2+12%

62Marquette County, WIWI15,92747.4+16%

63Washburn County, WIWI17,08747.7+13%

64Oneida County, WIWI38,13148.0+13%

65Price County, WIWI13,98848.3+16%

66Florence County, WIWI4,74849.0+17%

67Burnett County, WIWI17,22349.1+11%

68Adams County, WIWI21,75249.2+11%

69Bayfield County, WIWI16,78749.4+17%

70Door County, WIWI30,61649.4+15%

71Vilas County, WIWI23,76150.7+11%

72Iron County, WIWI6,12751.0+13%

SHOWING 1–72 OF 72

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS