RANKING · 2025 ESTIMATES · 72 SHOWN OF 72

Most densely populated, Wisconsin counties

Wisconsin counties ranked by residents per square mile (2025). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most population gained Most population lost Most sparsely populated

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Milwaukee County, WIWI924,2163,828–

02Waukesha County, WIWI417,210759–

03Kenosha County, WIWI168,448620–

04Racine County, WIWI198,919598–

05Brown County, WIWI275,803520–

06Dane County, WIWI590,375493–

07Ozaukee County, WIWI94,346405–

08Winnebago County, WIWI174,218401–

09Washington County, WIWI139,238323–

10Outagamie County, WIWI195,894307–

11La Crosse County, WIWI121,339269–

12Rock County, WIWI166,472232–

13Sheboygan County, WIWI118,047231–

14Walworth County, WIWI106,127191–

15Eau Claire County, WIWI109,033171–

16Calumet County, WIWI53,982170–

17Jefferson County, WIWI86,505155–

18Fond du Lac County, WIWI104,669145–

19Manitowoc County, WIWI81,710139–

20St. Croix County, WIWI98,276136–

21Dodge County, WIWI89,097102–

22Wood County, WIWI74,06093–

23Marathon County, WIWI139,43290–

24Portage County, WIWI71,94390–

25Sauk County, WIWI66,65280–

26Columbia County, WIWI58,13276–

27Pierce County, WIWI43,51976–

28Waupaca County, WIWI51,46169–

29Chippewa County, WIWI67,61467–

30Green County, WIWI37,22764–

31Door County, WIWI30,61664–

32Kewaunee County, WIWI20,75861–

33Green Lake County, WIWI19,30555–

34Dunn County, WIWI46,22354–

35Barron County, WIWI46,48454–

36Monroe County, WIWI46,57252–

37Polk County, WIWI45,80350–

38Shawano County, WIWI41,56047–

39Grant County, WIWI52,44646–

40Trempealeau County, WIWI31,17143–

41Oconto County, WIWI40,19540–

42Waushara County, WIWI25,22340–

43Vernon County, WIWI31,44340–

44Marquette County, WIWI15,92735–

45Juneau County, WIWI26,64935–

46Oneida County, WIWI38,13134–

47Douglas County, WIWI43,99034–

48Adams County, WIWI21,75234–

49Pepin County, WIWI7,51332–

50Lincoln County, WIWI28,40332–

51Iowa County, WIWI23,95131–

52Marinette County, WIWI42,57430–

53Richland County, WIWI17,03629–

54Clark County, WIWI35,05229–

55Crawford County, WIWI15,91028–

56Vilas County, WIWI23,76128–

57Lafayette County, WIWI17,47828–

58Langlade County, WIWI19,53422–

59Washburn County, WIWI17,08721–

60Jackson County, WIWI20,99921–

61Burnett County, WIWI17,22321–

62Taylor County, WIWI20,11821–

63Buffalo County, WIWI13,31820–

64Ashland County, WIWI16,20316–

65Rusk County, WIWI14,14615–

66Sawyer County, WIWI18,84615–

67Menominee County, WIWI4,19912–

68Bayfield County, WIWI16,78711–

69Price County, WIWI13,98811–

70Florence County, WIWI4,74810–

71Forest County, WIWI9,5749–

72Iron County, WIWI6,1278–

SHOWING 1–72 OF 72

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES