RANKING · 2025 ESTIMATES · 72 SHOWN OF 72

Most sparsely populated, Wisconsin counties

Wisconsin counties with the fewest 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

01Iron County, WIWI6,1278−11%

02Forest County, WIWI9,5749−4%

03Florence County, WIWI4,74810−7%

04▲1Price County, WIWI13,98811−12%

05▼1Bayfield County, WIWI16,78711+12%

06Menominee County, WIWI4,19912−8%

07Sawyer County, WIWI18,84615+16%

08▲1Rusk County, WIWI14,14615−8%

09▼1Ashland County, WIWI16,20316−4%

10Buffalo County, WIWI13,31820−4%

11▲1Taylor County, WIWI20,11821+2%

12▼1Burnett County, WIWI17,22321+10%

13▲1Jackson County, WIWI20,99921+10%

14▼1Washburn County, WIWI17,08721+7%

15Langlade County, WIWI19,53422−6%

16Lafayette County, WIWI17,47828+8%

17Vilas County, WIWI23,76128+13%

18Crawford County, WIWI15,91028−8%

19Clark County, WIWI35,05229+4%

20Richland County, WIWI17,03629−5%

21Marinette County, WIWI42,57430−2%

22Iowa County, WIWI23,95131+5%

23▲2Lincoln County, WIWI28,40332−4%

24▼1Pepin County, WIWI7,51332+4%

25▼1Adams County, WIWI21,75234+17%

26Douglas County, WIWI43,99034+2%

27Oneida County, WIWI38,13134+4%

28▲1Juneau County, WIWI26,64935+10%

29▼1Marquette County, WIWI15,92735+1%

30Vernon County, WIWI31,44340+12%

31▲1Waushara County, WIWI25,22340+9%

32▼1Oconto County, WIWI40,19540+13%

33Trempealeau County, WIWI31,17143+15%

34Grant County, WIWI52,44646+6%

35Shawano County, WIWI41,56047+2%

36Polk County, WIWI45,80350+11%

37Monroe County, WIWI46,57252+14%

38▲1Barron County, WIWI46,48454+3%

39▼1Dunn County, WIWI46,22354+16%

40Green Lake County, WIWI19,30555+1%

41Kewaunee County, WIWI20,75861+3%

42Door County, WIWI30,61664+9%

43Green County, WIWI37,22764+11%

44Chippewa County, WIWI67,61467+23%

45Waupaca County, WIWI51,46169−1%

46Pierce County, WIWI43,51976+18%

47Columbia County, WIWI58,13276+11%

48Sauk County, WIWI66,65280+21%

49Portage County, WIWI71,94390+7%

50Marathon County, WIWI139,43290+11%

51Wood County, WIWI74,06093−2%

52Dodge County, WIWI89,097102+4%

53St. Croix County, WIWI98,276136+56%

54Manitowoc County, WIWI81,710139−1%

55Fond du Lac County, WIWI104,669145+8%

56Jefferson County, WIWI86,505155+17%

57Calumet County, WIWI53,982170+33%

58Eau Claire County, WIWI109,033171+17%

59Walworth County, WIWI106,127191+13%

60▲1Sheboygan County, WIWI118,047231+5%

61▼1Rock County, WIWI166,472232+9%

62La Crosse County, WIWI121,339269+13%

63Outagamie County, WIWI195,894307+22%

64Washington County, WIWI139,238323+19%

65▲1Winnebago County, WIWI174,218401+11%

66▼1Ozaukee County, WIWI94,346405+15%

67Dane County, WIWI590,375493+38%

68Brown County, WIWI275,803520+22%

69Racine County, WIWI198,919598+5%

70Kenosha County, WIWI168,448620+13%

71Waukesha County, WIWI417,210759+16%

72Milwaukee County, WIWI924,2163,828−2%

SHOWING 1–72 OF 72

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