RANKING · 1990 CENSUS · 72 SHOWN OF 72

Youngest by median age, Wisconsin counties · 1990

Wisconsin counties with the youngest median age (1990 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 34.5.

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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 –

01Menominee County, WIWI4,19924.6–

02Dunn County, WIWI46,22328.6–

03Portage County, WIWI71,94329.4–

04Pierce County, WIWI43,51929.5–

05Eau Claire County, WIWI109,03330.1–

06Dane County, WIWI590,37530.8–

07La Crosse County, WIWI121,33931.1–

08Outagamie County, WIWI195,89431.4–

09Calumet County, WIWI53,98231.4–

10Brown County, WIWI275,80331.5–

11Grant County, WIWI52,44631.6–

12St. Croix County, WIWI98,27631.7–

13Milwaukee County, WIWI924,21632.4–

14Washington County, WIWI139,23832.4–

15Taylor County, WIWI20,11832.4–

16Winnebago County, WIWI174,21832.5–

17Kenosha County, WIWI168,44832.6–

18Marathon County, WIWI139,43232.7–

19Jefferson County, WIWI86,50532.8–

20Racine County, WIWI198,91932.8–

21Walworth County, WIWI106,12732.9–

22Rock County, WIWI166,47233.0–

23Wood County, WIWI74,06033.2–

24Iowa County, WIWI23,95133.2–

25Fond du Lac County, WIWI104,66933.4–

26Chippewa County, WIWI67,61433.5–

27Lafayette County, WIWI17,47833.5–

28Ashland County, WIWI16,20333.7–

29Kewaunee County, WIWI20,75833.7–

30Monroe County, WIWI46,57233.7–

31Sheboygan County, WIWI118,04733.8–

32Dodge County, WIWI89,09733.9–

33Clark County, WIWI35,05233.9–

34Waukesha County, WIWI417,21034.1–

35Sauk County, WIWI66,65234.2–

36Green County, WIWI37,22734.5–

37Barron County, WIWI46,48434.5–

38Ozaukee County, WIWI94,34634.6–

39Polk County, WIWI45,80334.6–

40Manitowoc County, WIWI81,71034.7–

41Douglas County, WIWI43,99034.8–

42Lincoln County, WIWI28,40334.9–

43Buffalo County, WIWI13,31834.9–

44Crawford County, WIWI15,91034.9–

45Oconto County, WIWI40,19535.0–

46Waupaca County, WIWI51,46135.0–

47Pepin County, WIWI7,51335.1–

48Columbia County, WIWI58,13235.2–

49Rusk County, WIWI14,14635.2–

50Richland County, WIWI17,03635.3–

51Shawano County, WIWI41,56035.4–

52Juneau County, WIWI26,64935.5–

53Marinette County, WIWI42,57435.6–

54Jackson County, WIWI20,99935.6–

55Forest County, WIWI9,57435.7–

56Trempealeau County, WIWI31,17135.7–

57Florence County, WIWI4,74836.0–

58Vernon County, WIWI31,44336.2–

59Door County, WIWI30,61636.5–

60Langlade County, WIWI19,53436.6–

61Green Lake County, WIWI19,30536.8–

62Price County, WIWI13,98836.8–

63Bayfield County, WIWI16,78737.1–

64Washburn County, WIWI17,08738.0–

65Sawyer County, WIWI18,84638.2–

66Waushara County, WIWI25,22338.5–

67Oneida County, WIWI38,13138.7–

68Burnett County, WIWI17,22339.1–

69Marquette County, WIWI15,92739.2–

70Adams County, WIWI21,75240.3–

71Iron County, WIWI6,12742.5–

72Vilas County, WIWI23,76143.3–

SHOWING 1–72 OF 72

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