RANKING · 2020 CENSUS · 72 SHOWN OF 72

Most densely populated, Wisconsin counties · 2020

Wisconsin counties ranked by residents per square mile (2023). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide.

Flip the list · Most sparsely populated, US counties →

WisconsinAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Milwaukee County, WIWI924,2163,891−0%

02Waukesha County, WIWI417,210740+13%

03Kenosha County, WIWI168,448622+13%

04Racine County, WIWI198,919594+5%

05Brown County, WIWI275,803507+19%

06Dane County, WIWI590,375469+32%

07Winnebago County, WIWI174,218395+10%

08Ozaukee County, WIWI94,346393+11%

09Washington County, WIWI139,238318+16%

10Outagamie County, WIWI195,894299+18%

11La Crosse County, WIWI121,339267+13%

12Sheboygan County, WIWI118,047231+5%

13Rock County, WIWI166,472228+7%

14Walworth County, WIWI106,127192+14%

15Eau Claire County, WIWI109,033166+13%

16Calumet County, WIWI53,982165+29%

17Jefferson County, WIWI86,505153+15%

18Fond du Lac County, WIWI104,669145+7%

19Manitowoc County, WIWI81,710138−2%

20St. Croix County, WIWI98,276130+48%

21Dodge County, WIWI89,097102+4%

22Wood County, WIWI74,06094−2%

23Marathon County, WIWI139,43289+10%

24Portage County, WIWI71,94388+5%

25Sauk County, WIWI66,65279+19%

26Columbia County, WIWI58,13276+11%

27Pierce County, WIWI43,51974+15%

28Waupaca County, WIWI51,46169+0%

29Chippewa County, WIWI67,61466+20%

30Green County, WIWI37,22764+10%

31Door County, WIWI30,61662+8%

32Kewaunee County, WIWI20,75860+2%

33Green Lake County, WIWI19,30554−0%

34Barron County, WIWI46,48454+4%

35Dunn County, WIWI46,22353+14%

36Monroe County, WIWI46,57251+13%

37Polk County, WIWI45,80349+9%

38Shawano County, WIWI41,56046+1%

39Grant County, WIWI52,44645+5%

40Trempealeau County, WIWI31,17142+14%

41Waushara County, WIWI25,22339+6%

42Oconto County, WIWI40,19539+9%

43Vernon County, WIWI31,44339+9%

44Juneau County, WIWI26,64935+10%

45Marquette County, WIWI15,92734−2%

46Oneida County, WIWI38,13134+3%

47Douglas County, WIWI43,99034+2%

48Lincoln County, WIWI28,40332−4%

49Adams County, WIWI21,75232+11%

50Pepin County, WIWI7,51332+1%

51Iowa County, WIWI23,95131+4%

52Marinette County, WIWI42,57430−3%

53Richland County, WIWI17,03630−3%

54Clark County, WIWI35,05229+3%

55Crawford County, WIWI15,91028−7%

56Vilas County, WIWI23,76127+10%

57Lafayette County, WIWI17,47826+3%

58Langlade County, WIWI19,53422−6%

59Jackson County, WIWI20,99921+11%

60Washburn County, WIWI17,08721+4%

61Taylor County, WIWI20,11820+1%

62Burnett County, WIWI17,22320+5%

63Buffalo County, WIWI13,31820−4%

64Rusk County, WIWI14,14616−8%

65Ashland County, WIWI16,20315−5%

66Sawyer County, WIWI18,84614+12%

67Menominee County, WIWI4,19912−7%

68Price County, WIWI13,98811−11%

69Bayfield County, WIWI16,78711+8%

70Florence County, WIWI4,7489−10%

71Forest County, WIWI9,5749−8%

72Iron County, WIWI6,1278−11%

SHOWING 1–72 OF 72

Download CSV (full list, 72 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES