RANKING · 2024 ACS · 72 SHOWN OF 72

Youngest by median age, Wisconsin counties

Wisconsin counties with the youngest median age (2024 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 43.8. Biggest climber in the top 100 since 2020: Green Lake County, WI, up 6 places to #47.

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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, WIWI4,19934.3+24%

02Milwaukee County, WIWI924,21635.5+5%

03▲1Dane County, WIWI590,37535.7+8%

04▼1Eau Claire County, WIWI109,03335.8+10%

05Dunn County, WIWI46,22336.1+18%

06▲2Clark County, WIWI35,05236.7+2%

07Grant County, WIWI52,44636.8+3%

08▼2La Crosse County, WIWI121,33937.5+12%

09▲3Portage County, WIWI71,94338.0+15%

10▼1Brown County, WIWI275,80338.2+12%

11▲3Winnebago County, WIWI174,21838.7+9%

12▼2Pierce County, WIWI43,51938.8+21%

13▼2Outagamie County, WIWI195,89438.9+13%

14▼1Kenosha County, WIWI168,44839.4+13%

15Monroe County, WIWI46,57239.7+8%

16▲1Trempealeau County, WIWI31,17139.9+4%

17▲1Rock County, WIWI166,47240.3+12%

18▼2St. Croix County, WIWI98,27640.4+15%

19▲5Racine County, WIWI198,91940.5+12%

20Lafayette County, WIWI17,47840.8+7%

21▲2Marathon County, WIWI139,43241.3+14%

22Walworth County, WIWI106,12741.4+18%

23▼2Jefferson County, WIWI86,50541.5+13%

24▲3Sauk County, WIWI66,65241.6+12%

25▼6Calumet County, WIWI53,98241.7+18%

26▲3Sheboygan County, WIWI118,04741.7+13%

27▼2Fond du Lac County, WIWI104,66941.9+14%

28Vernon County, WIWI31,44341.9+7%

29▼3Chippewa County, WIWI67,61442.2+12%

30Douglas County, WIWI43,99042.7+13%

31▲4Dodge County, WIWI89,09743.0+16%

32Ashland County, WIWI16,20343.1+17%

33▼2Jackson County, WIWI20,99943.4+15%

34▲2Waukesha County, WIWI417,21043.5+14%

35▲2Green County, WIWI37,22743.6+15%

36▼2Columbia County, WIWI58,13243.7+15%

37▲2Washington County, WIWI139,23843.8+20%

38▲2Wood County, WIWI74,06043.8+15%

39▲2Ozaukee County, WIWI94,34643.9+13%

40▲2Iowa County, WIWI23,95144.0+19%

41▼8Taylor County, WIWI20,11844.2+18%

42▼4Kewaunee County, WIWI20,75844.6+19%

43Barron County, WIWI46,48444.9+16%

44Manitowoc County, WIWI81,71045.1+18%

45▲4Waupaca County, WIWI51,46145.3+18%

46Shawano County, WIWI41,56045.6+18%

47▲6Green Lake County, WIWI19,30545.6+11%

48Juneau County, WIWI26,64945.8+16%

49▲1Pepin County, WIWI7,51346.0+19%

50▼3Buffalo County, WIWI13,31846.5+19%

51▼6Richland County, WIWI17,03646.6+19%

52▼1Polk County, WIWI45,80346.7+21%

53▼1Crawford County, WIWI15,91047.4+22%

54Oconto County, WIWI40,19547.5+22%

55▲3Langlade County, WIWI19,53448.7+20%

56Marinette County, WIWI42,57448.7+20%

57▲2Rusk County, WIWI14,14649.2+23%

58▼1Forest County, WIWI9,57449.3+24%

59▼4Lincoln County, WIWI28,40349.3+27%

60Waushara County, WIWI25,22350.2+19%

61Marquette County, WIWI15,92750.7+24%

62▲1Price County, WIWI13,98852.6+26%

63▲1Oneida County, WIWI38,13152.7+24%

64▲1Washburn County, WIWI17,08752.7+25%

65▼3Sawyer County, WIWI18,84652.8+25%

66▲3Door County, WIWI30,61654.3+27%

67Bayfield County, WIWI16,78754.6+30%

68▲2Florence County, WIWI4,74855.3+32%

69▼3Adams County, WIWI21,75255.7+25%

70▲2Vilas County, WIWI23,76155.7+22%

71▼3Burnett County, WIWI17,22356.0+27%

72▼1Iron County, WIWI6,12756.1+25%

SHOWING 1–72 OF 72

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES