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.

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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 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS