RANKING · 2010 CENSUS · 72 SHOWN OF 72

Youngest by median age, Wisconsin counties · 2010

Wisconsin counties with the youngest median age (2023 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

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, WIWI924,21633.6−0%

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 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES