RANKING · 1990 CENSUS · 72 SHOWN OF 72

Most racially diverse, Wisconsin counties · 1990

Wisconsin counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (1990 ACS). This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 5.

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WisconsinAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Milwaukee County, WIWI924,21653–

02Racine County, WIWI198,91934–

03Sawyer County, WIWI18,84633–

04Menominee County, WIWI4,19925–

05Forest County, WIWI9,57425–

06Ashland County, WIWI16,20322–

07Bayfield County, WIWI16,78722–

08Kenosha County, WIWI168,44822–

09Vilas County, WIWI23,76121–

10Dane County, WIWI590,37517–

11Rock County, WIWI166,47216–

12Adams County, WIWI21,75213–

13Shawano County, WIWI41,56012–

14Jackson County, WIWI20,99912–

15Brown County, WIWI275,80311–

16Burnett County, WIWI17,22311–

17La Crosse County, WIWI121,33910–

18Walworth County, WIWI106,12710–

19Sheboygan County, WIWI118,04710–

20Eau Claire County, WIWI109,03310–

21Outagamie County, WIWI195,8948–

22Douglas County, WIWI43,9908–

23Waukesha County, WIWI417,2108–

24Dunn County, WIWI46,2237–

25Winnebago County, WIWI174,2187–

26Dodge County, WIWI89,0977–

27Marathon County, WIWI139,4327–

28Waushara County, WIWI25,2237–

29Jefferson County, WIWI86,5056–

30Portage County, WIWI71,9436–

31Manitowoc County, WIWI81,7106–

32Fond du Lac County, WIWI104,6696–

33Rusk County, WIWI14,1465–

34Washburn County, WIWI17,0875–

35Marquette County, WIWI15,9275–

36Monroe County, WIWI46,5725–

37Ozaukee County, WIWI94,3465–

38Oneida County, WIWI38,1315–

39Wood County, WIWI74,0605–

40Columbia County, WIWI58,1325–

41Juneau County, WIWI26,6494–

42Pierce County, WIWI43,5194–

43Green Lake County, WIWI19,3054–

44Calumet County, WIWI53,9824–

45Polk County, WIWI45,8034–

46Crawford County, WIWI15,9103–

47Chippewa County, WIWI67,6143–

48Waupaca County, WIWI51,4613–

49Langlade County, WIWI19,5343–

50Door County, WIWI30,6163–

51Sauk County, WIWI66,6523–

52Oconto County, WIWI40,1953–

53Grant County, WIWI52,4463–

54Washington County, WIWI139,2383–

55Barron County, WIWI46,4843–

56St. Croix County, WIWI98,2763–

57Lincoln County, WIWI28,4033–

58Florence County, WIWI4,7482–

59Kewaunee County, WIWI20,7582–

60Green County, WIWI37,2272–

61Marinette County, WIWI42,5742–

62Price County, WIWI13,9882–

63Clark County, WIWI35,0522–

64Vernon County, WIWI31,4432–

65Pepin County, WIWI7,5132–

66Richland County, WIWI17,0362–

67Buffalo County, WIWI13,3182–

68Trempealeau County, WIWI31,1712–

69Taylor County, WIWI20,1181–

70Lafayette County, WIWI17,4781–

71Iron County, WIWI6,1271–

72Iowa County, WIWI23,9511–

SHOWING 1–72 OF 72

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