RANKING · 2024 ACS · 102 SHOWN OF 102

Most segregated, Illinois counties

Name: Most segregated, Illinois counties, 2024
Creator: CensusEasy
License: https://creativecommons.org/licenses/by/4.0/

Illinois counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2024 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 25. Biggest climber in the top 100 since 2020: Carroll County, IL, up 77 places to #8.

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SAME RANKING BYMetros

YEAR2020 2024

RANKPLACESTATEPOPSEGREGATION SCOREVS 2020

01▲6Alexander County, ILIL4,57062+16%

02▲3Cook County, ILIL5,194,62552−4%

03▲7Vermilion County, ILIL71,25951+2%

04▲4Kane County, ILIL525,75749−8%

05▼3Randolph County, ILIL29,92147−22%

06▲11Douglas County, ILIL19,88045−2%

07▲24Brown County, ILIL6,40144+12%

08▲77Carroll County, ILIL15,41944+152%

09▲11Lake County, ILIL719,33943−3%

10▲8Peoria County, ILIL178,55342−7%

11▲11Kankakee County, ILIL105,52542−3%

12▲12Macon County, ILIL99,30041−2%

13▼2Fulton County, ILIL32,90141−15%

14▼8Cass County, ILIL12,46341−25%

15▲6Will County, ILIL712,25340−7%

16▼4St. Clair County, ILIL250,70840−16%

17▼8Stephenson County, ILIL43,22039−23%

18▼3Montgomery County, ILIL28,07639−17%

19▲6Sangamon County, ILIL194,17038−10%

20▲8Winnebago County, ILIL283,67437−10%

21▼18Crawford County, ILIL18,64837−38%

22▲16Champaign County, ILIL209,972360%

23▼4Whiteside County, ILIL54,12135−19%

24▲16Iroquois County, ILIL26,15035−1%

25▲5Knox County, ILIL47,76735−13%

26Warren County, ILIL16,22235−17%

27▲7Jackson County, ILIL52,50134−12%

28▲17McDonough County, ILIL25,91634+1%

29▲20DeKalb County, ILIL101,83533+1%

30▼29Johnson County, ILIL13,36332−61%

31▼17Logan County, ILIL27,18231−33%

32▲23Pulaski County, ILIL4,82031+7%

33▲6Madison County, ILIL263,11031−13%

34▲14Richland County, ILIL15,21931−5%

35▲7Ogle County, ILIL51,39931−11%

36▲10DuPage County, ILIL934,29831−7%

37▼5Bureau County, ILIL32,51030−23%

38▲12Adams County, ILIL64,26730−2%

39▼26Morgan County, ILIL32,51530−37%

40▲7Rock Island County, ILIL141,86930−9%

41▼8Marion County, ILIL36,38229−24%

42▼6Perry County, ILIL20,16028−24%

43▲40Cumberland County, ILIL10,20828+55%

44▼7Coles County, ILIL46,60727−25%

45▼10Jefferson County, ILIL36,14727−28%

46▲8LaSalle County, ILIL107,77327−9%

47▲19Ford County, ILIL13,21627+12%

48▲20Franklin County, ILIL36,91627+17%

49▲3Scott County, ILIL4,86626−15%

50▼46Fayette County, ILIL20,79025−55%

51▼8Effingham County, ILIL34,51925−27%

52▼23Schuyler County, ILIL6,65725−39%

53▲42Jersey County, ILIL21,16025+68%

54▲5McLean County, ILIL171,41925−11%

55▲1Marshall County, ILIL11,47325−15%

56▲5Livingston County, ILIL35,05724−7%

57▲7Hancock County, ILIL16,80324−4%

58▲5Saline County, ILIL22,77224−6%

59▼8Clinton County, ILIL37,12824−23%

60▲18De Witt County, ILIL15,11823+21%

61▲30Mason County, ILIL12,41123+39%

62▼21Boone County, ILIL53,56822−38%

63▲7Tazewell County, ILIL130,04922−2%

64▲1Pike County, ILIL14,23122−11%

65▼3Christian County, ILIL33,44321−18%

66▲24Menard County, ILIL11,86321+26%

67▲4McHenry County, ILIL317,75120−6%

68▼15Williamson County, ILIL67,22520−31%

69▼25Macoupin County, ILIL43,74820−40%

70▲24Wayne County, ILIL15,88220+35%

71▲18Greene County, ILIL11,31320+17%

72▼5Washington County, ILIL13,56420−16%

73▲19Shelby County, ILIL20,57619+18%

74▼51Lawrence County, ILIL13,79019−56%

75▼2Edgar County, ILIL16,32319−13%

76▼18Lee County, ILIL32,91419−34%

77▲23Massac County, ILIL13,50219+122%

78▼9Grundy County, ILIL54,05218−17%

79▼19Henry County, ILIL48,09518−32%

80▼8White County, ILIL13,25018−17%

81▲18Clark County, ILIL15,11418+74%

82▼6Monroe County, ILIL34,84018−13%

83▼8Kendall County, ILIL145,47018−15%

84▼27Clay County, ILIL12,79317−41%

85▼58Bond County, ILIL16,95915−62%

86▲12Putnam County, ILIL5,61915+44%

87▲6Union County, ILIL16,65615−9%

88▼1Mercer County, ILIL15,22914−16%

89▼73Calhoun County, ILIL4,30014−70%

90▼9Wabash County, ILIL10,90714−27%

91▼12Moultrie County, ILIL14,37113−33%

92▼15Woodford County, ILIL38,11112−37%

93▼19Pope County, ILIL3,67211−46%

94▼6Hamilton County, ILIL7,85911−37%

95▼9Hardin County, ILIL3,58810−41%

96▼12Jo Daviess County, ILIL21,5948−55%

97▲4Gallatin County, ILIL4,6167−9%

98▼2Edwards County, ILIL5,8986−56%

99▼17Piatt County, ILIL16,7916−67%

100▼3Henderson County, ILIL5,9845−64%

101▲1Stark County, ILIL5,3192+935%

102▼22Jasper County, ILIL9,0320−98%

SHOWING 1–102 OF 102

Download CSV (full list, 102 rows)How this score is calculated

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES