RANKING · 2020 CENSUS · 72 SHOWN OF 72

Oldest housing stock, Wisconsin counties · 2020

Wisconsin counties ranked by oldest median year of construction (2020 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 1976.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Milwaukee County, WIWI924,21619550%

02Manitowoc County, WIWI81,71019610%

03Lafayette County, WIWI17,4781962+1%

04Racine County, WIWI198,9191967+1%

05Dodge County, WIWI89,0971968+1%

06Rock County, WIWI166,4721969+1%

07Kewaunee County, WIWI20,7581969+1%

08Richland County, WIWI17,0361969+1%

09Green Lake County, WIWI19,3051969+1%

10Ashland County, WIWI16,2031970+1%

11Clark County, WIWI35,0521970+1%

12Sheboygan County, WIWI118,0471970+1%

13Douglas County, WIWI43,9901970+1%

14Buffalo County, WIWI13,3181970+1%

15Fond du Lac County, WIWI104,6691971+1%

16Langlade County, WIWI19,5341972+1%

17Pepin County, WIWI7,5131972+1%

18Wood County, WIWI74,0601972+1%

19Grant County, WIWI52,4461972+1%

20Green County, WIWI37,2271972+1%

21Iron County, WIWI6,1271972+1%

22Kenosha County, WIWI168,4481973+1%

23Winnebago County, WIWI174,2181973+1%

24Jefferson County, WIWI86,5051973+1%

25Vernon County, WIWI31,4431973+1%

26Shawano County, WIWI41,5601974+1%

27Waupaca County, WIWI51,4611974+1%

28Columbia County, WIWI58,1321975+1%

29Crawford County, WIWI15,9101975+1%

30Lincoln County, WIWI28,4031975+1%

31Rusk County, WIWI14,1461975+1%

32Price County, WIWI13,9881975+1%

33Marinette County, WIWI42,57419750%

34Trempealeau County, WIWI31,1711975+1%

35Walworth County, WIWI106,1271975+1%

36Barron County, WIWI46,4841976+1%

37Marathon County, WIWI139,4321976+1%

38Taylor County, WIWI20,1181976+1%

39Eau Claire County, WIWI109,0331976+1%

40Iowa County, WIWI23,9511976+1%

41Marquette County, WIWI15,92719760%

42La Crosse County, WIWI121,3391977+1%

43Ozaukee County, WIWI94,3461977+1%

44Waushara County, WIWI25,22319770%

45Chippewa County, WIWI67,6141978+1%

46Jackson County, WIWI20,9991978+1%

47Monroe County, WIWI46,5721978+1%

48Pierce County, WIWI43,5191979+1%

49Sauk County, WIWI66,6521979+1%

50Outagamie County, WIWI195,8941979+1%

51Portage County, WIWI71,94319790%

52Juneau County, WIWI26,6491979+1%

53Vilas County, WIWI23,76119790%

54Brown County, WIWI275,8031980+1%

55Polk County, WIWI45,8031980+1%

56Florence County, WIWI4,7481980+1%

57Oconto County, WIWI40,1951980+1%

58Forest County, WIWI9,5741981+1%

59Bayfield County, WIWI16,7871981+1%

60Burnett County, WIWI17,2231981+1%

61Waukesha County, WIWI417,2101981+1%

62Dunn County, WIWI46,2231981+1%

63Door County, WIWI30,6161981+1%

64Oneida County, WIWI38,1311981+1%

65Dane County, WIWI590,3751982+1%

66Washburn County, WIWI17,0871982+1%

67Adams County, WIWI21,7521983+1%

68Sawyer County, WIWI18,8461983+1%

69Washington County, WIWI139,2381983+1%

70Calumet County, WIWI53,9821985+1%

71Menominee County, WIWI4,19919860%

72St. Croix County, WIWI98,2761992+1%

SHOWING 1–72 OF 72

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