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. The median across all 72 is 52.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Milwaukee County, WIWI924,2163,828−2%

02Waukesha County, WIWI417,210759+16%

03Kenosha County, WIWI168,448620+13%

04Racine County, WIWI198,919598+5%

05Brown County, WIWI275,803520+22%

06Dane County, WIWI590,375493+38%

07▲1Ozaukee County, WIWI94,346405+15%

08▼1Winnebago County, WIWI174,218401+11%

09Washington County, WIWI139,238323+19%

10Outagamie County, WIWI195,894307+22%

11La Crosse County, WIWI121,339269+13%

12▲1Rock County, WIWI166,472232+9%

13▼1Sheboygan County, WIWI118,047231+5%

14Walworth County, WIWI106,127191+13%

15Eau Claire County, WIWI109,033171+17%

16Calumet County, WIWI53,982170+33%

17Jefferson County, WIWI86,505155+17%

18Fond du Lac County, WIWI104,669145+8%

19Manitowoc County, WIWI81,710139−1%

20St. Croix County, WIWI98,276136+56%

21Dodge County, WIWI89,097102+4%

22Wood County, WIWI74,06093−2%

23Marathon County, WIWI139,43290+11%

24Portage County, WIWI71,94390+7%

25Sauk County, WIWI66,65280+21%

26Columbia County, WIWI58,13276+11%

27Pierce County, WIWI43,51976+18%

28Waupaca County, WIWI51,46169−1%

29Chippewa County, WIWI67,61467+23%

30Green County, WIWI37,22764+11%

31Door County, WIWI30,61664+9%

32Kewaunee County, WIWI20,75861+3%

33Green Lake County, WIWI19,30555+1%

34▲1Dunn County, WIWI46,22354+16%

35▼1Barron County, WIWI46,48454+3%

36Monroe County, WIWI46,57252+14%

37Polk County, WIWI45,80350+11%

38Shawano County, WIWI41,56047+2%

39Grant County, WIWI52,44646+6%

40Trempealeau County, WIWI31,17143+15%

41▲1Oconto County, WIWI40,19540+13%

42▼1Waushara County, WIWI25,22340+9%

43Vernon County, WIWI31,44340+12%

44▲1Marquette County, WIWI15,92735+1%

45▼1Juneau County, WIWI26,64935+10%

46Oneida County, WIWI38,13134+4%

47Douglas County, WIWI43,99034+2%

48▲1Adams County, WIWI21,75234+17%

49▲1Pepin County, WIWI7,51332+4%

50▼2Lincoln County, WIWI28,40332−4%

51Iowa County, WIWI23,95131+5%

52Marinette County, WIWI42,57430−2%

53Richland County, WIWI17,03629−5%

54Clark County, WIWI35,05229+4%

55Crawford County, WIWI15,91028−8%

56Vilas County, WIWI23,76128+13%

57Lafayette County, WIWI17,47828+8%

58Langlade County, WIWI19,53422−6%

59▲1Washburn County, WIWI17,08721+7%

60▼1Jackson County, WIWI20,99921+10%

61▲1Burnett County, WIWI17,22321+10%

62▼1Taylor County, WIWI20,11821+2%

63Buffalo County, WIWI13,31820−4%

64▲1Ashland County, WIWI16,20316−4%

65▼1Rusk County, WIWI14,14615−8%

66Sawyer County, WIWI18,84615+16%

67Menominee County, WIWI4,19912−8%

68▲1Bayfield County, WIWI16,78711+12%

69▼1Price County, WIWI13,98811−12%

70Florence County, WIWI4,74810−7%

71Forest County, WIWI9,5749−4%

72Iron County, WIWI6,1278−11%

SHOWING 1–72 OF 72

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES