RANKING · 2020 CENSUS · 72 SHOWN OF 72

Youngest by median age, Wisconsin counties · 2020

Wisconsin counties with the youngest median age (2020 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 43.7.

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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, WIWI4,19934.5+25%

02Milwaukee County, WIWI924,21635.3+5%

03Eau Claire County, WIWI109,03335.6+10%

04Dane County, WIWI590,37535.7+8%

05Dunn County, WIWI46,22335.8+17%

06La Crosse County, WIWI121,33937.0+10%

07Grant County, WIWI52,44637.2+4%

08Clark County, WIWI35,05237.5+4%

09Brown County, WIWI275,80337.9+11%

10Pierce County, WIWI43,51938.0+18%

11Outagamie County, WIWI195,89438.8+13%

12Portage County, WIWI71,94338.8+18%

13Kenosha County, WIWI168,44839.0+12%

14Winnebago County, WIWI174,21839.1+10%

15Monroe County, WIWI46,57239.6+8%

16St. Croix County, WIWI98,27639.9+14%

17Trempealeau County, WIWI31,17140.1+5%

18Rock County, WIWI166,47240.3+12%

19Calumet County, WIWI53,98240.6+15%

20Lafayette County, WIWI17,47840.9+7%

21Jefferson County, WIWI86,50541.0+12%

22Walworth County, WIWI106,12741.0+17%

23Marathon County, WIWI139,43241.1+13%

24Racine County, WIWI198,91941.1+14%

25Fond du Lac County, WIWI104,66941.4+12%

26Chippewa County, WIWI67,61441.7+11%

27Sauk County, WIWI66,65241.7+12%

28Vernon County, WIWI31,44341.7+7%

29Sheboygan County, WIWI118,04741.9+14%

30Douglas County, WIWI43,99042.1+12%

31Jackson County, WIWI20,99942.5+13%

32Ashland County, WIWI16,20342.6+15%

33Taylor County, WIWI20,11842.9+15%

34Columbia County, WIWI58,13243.2+14%

35Dodge County, WIWI89,09743.3+17%

36Waukesha County, WIWI417,21043.6+14%

37Green County, WIWI37,22743.7+15%

38Kewaunee County, WIWI20,75843.8+17%

39Washington County, WIWI139,23843.8+20%

40Wood County, WIWI74,06044.3+17%

41Ozaukee County, WIWI94,34644.5+14%

42Iowa County, WIWI23,95144.5+20%

43Barron County, WIWI46,48445.1+16%

44Manitowoc County, WIWI81,71045.1+18%

45Richland County, WIWI17,03645.4+16%

46Shawano County, WIWI41,56045.7+19%

47Buffalo County, WIWI13,31846.0+17%

48Juneau County, WIWI26,64946.0+17%

49Waupaca County, WIWI51,46146.1+20%

50Pepin County, WIWI7,51346.2+19%

51Polk County, WIWI45,80346.5+20%

52Crawford County, WIWI15,91046.6+20%

53Green Lake County, WIWI19,30546.6+14%

54Oconto County, WIWI40,19547.1+21%

55Lincoln County, WIWI28,40348.9+26%

56Marinette County, WIWI42,57449.3+22%

57Forest County, WIWI9,57449.5+24%

58Langlade County, WIWI19,53449.5+22%

59Rusk County, WIWI14,14649.8+24%

60Waushara County, WIWI25,22349.9+19%

61Marquette County, WIWI15,92750.2+23%

62Sawyer County, WIWI18,84652.7+25%

63Price County, WIWI13,98852.8+27%

64Oneida County, WIWI38,13152.8+25%

65Washburn County, WIWI17,08752.9+26%

66Adams County, WIWI21,75253.8+21%

67Bayfield County, WIWI16,78754.2+29%

68Burnett County, WIWI17,22354.4+23%

69Door County, WIWI30,61654.5+27%

70Florence County, WIWI4,74855.5+32%

71Iron County, WIWI6,12756.4+25%

72Vilas County, WIWI23,76156.8+24%

SHOWING 1–72 OF 72

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