RANKING · 2020 CENSUS · 72 SHOWN OF 72

Oldest by median age, Wisconsin counties · 2020

Wisconsin counties ranked by median age of residents (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

01Vilas County, WIWI23,76156.8+24%

02Iron County, WIWI6,12756.4+25%

03Florence County, WIWI4,74855.5+32%

04Door County, WIWI30,61654.5+27%

05Burnett County, WIWI17,22354.4+23%

06Bayfield County, WIWI16,78754.2+29%

07Adams County, WIWI21,75253.8+21%

08Washburn County, WIWI17,08752.9+26%

09Price County, WIWI13,98852.8+27%

10Oneida County, WIWI38,13152.8+25%

11Sawyer County, WIWI18,84652.7+25%

12Marquette County, WIWI15,92750.2+23%

13Waushara County, WIWI25,22349.9+19%

14Rusk County, WIWI14,14649.8+24%

15Forest County, WIWI9,57449.5+24%

16Langlade County, WIWI19,53449.5+22%

17Marinette County, WIWI42,57449.3+22%

18Lincoln County, WIWI28,40348.9+26%

19Oconto County, WIWI40,19547.1+21%

20Crawford County, WIWI15,91046.6+20%

21Green Lake County, WIWI19,30546.6+14%

22Polk County, WIWI45,80346.5+20%

23Pepin County, WIWI7,51346.2+19%

24Waupaca County, WIWI51,46146.1+20%

25Buffalo County, WIWI13,31846.0+17%

26Juneau County, WIWI26,64946.0+17%

27Shawano County, WIWI41,56045.7+19%

28Richland County, WIWI17,03645.4+16%

29Barron County, WIWI46,48445.1+16%

30Manitowoc County, WIWI81,71045.1+18%

31Ozaukee County, WIWI94,34644.5+14%

32Iowa County, WIWI23,95144.5+20%

33Wood County, WIWI74,06044.3+17%

34Kewaunee County, WIWI20,75843.8+17%

35Washington County, WIWI139,23843.8+20%

36Green County, WIWI37,22743.7+15%

37Waukesha County, WIWI417,21043.6+14%

38Dodge County, WIWI89,09743.3+17%

39Columbia County, WIWI58,13243.2+14%

40Taylor County, WIWI20,11842.9+15%

41Ashland County, WIWI16,20342.6+15%

42Jackson County, WIWI20,99942.5+13%

43Douglas County, WIWI43,99042.1+12%

44Sheboygan County, WIWI118,04741.9+14%

45Chippewa County, WIWI67,61441.7+11%

46Sauk County, WIWI66,65241.7+12%

47Vernon County, WIWI31,44341.7+7%

48Fond du Lac County, WIWI104,66941.4+12%

49Marathon County, WIWI139,43241.1+13%

50Racine County, WIWI198,91941.1+14%

51Jefferson County, WIWI86,50541.0+12%

52Walworth County, WIWI106,12741.0+17%

53Lafayette County, WIWI17,47840.9+7%

54Calumet County, WIWI53,98240.6+15%

55Rock County, WIWI166,47240.3+12%

56Trempealeau County, WIWI31,17140.1+5%

57St. Croix County, WIWI98,27639.9+14%

58Monroe County, WIWI46,57239.6+8%

59Winnebago County, WIWI174,21839.1+10%

60Kenosha County, WIWI168,44839.0+12%

61Outagamie County, WIWI195,89438.8+13%

62Portage County, WIWI71,94338.8+18%

63Pierce County, WIWI43,51938.0+18%

64Brown County, WIWI275,80337.9+11%

65Clark County, WIWI35,05237.5+4%

66Grant County, WIWI52,44637.2+4%

67La Crosse County, WIWI121,33937.0+10%

68Dunn County, WIWI46,22335.8+17%

69Dane County, WIWI590,37535.7+8%

70Eau Claire County, WIWI109,03335.6+10%

71Milwaukee County, WIWI924,21635.3+5%

72Menominee County, WIWI4,19934.5+25%

SHOWING 1–72 OF 72

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