CensusEasy
RANKING · 2000 CENSUS · 102 SHOWN OF 102

Most racially diverse, Illinois counties · 2000

Illinois counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2023 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

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SAME RANKING BYCitiesStatesMetrosZIP codes
RELATEDOldest by median ageYoungest by median ageMost foreign-born residentsHighest uninsured rateMost womenMost men
YEAR19902000201020202024
Most racially diverse by state
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RANKPLACESTATEPOPDIVERSITY SCOREVS 2000
01Cook County, ILIL5,194,62582+0%
02Alexander County, ILIL4,57060+0%
03Kane County, ILIL525,75759+0%
04Pulaski County, ILIL4,82057+0%
05St. Clair County, ILIL250,70857+0%
06Lake County, ILIL719,33952+0%
07Will County, ILIL712,25346+0%
08Brown County, ILIL6,40145+0%
09Champaign County, ILIL209,97244+0%
10Kankakee County, ILIL105,52544+0%
11DuPage County, ILIL934,29843+0%
12Peoria County, ILIL178,55342+0%
13Winnebago County, ILIL283,67442+0%
14Jackson County, ILIL52,50140+0%
15Rock Island County, ILIL141,86938+0%
16Johnson County, ILIL13,36337+0%
17Macon County, ILIL99,30034+0%
18Vermilion County, ILIL71,25932+0%
19DeKalb County, ILIL101,83531+0%
20Boone County, ILIL53,56830+0%
21Sangamon County, ILIL194,17027+0%
22Randolph County, ILIL29,92125+0%
23McLean County, ILIL171,41925+0%
24Knox County, ILIL47,76724+0%
25Whiteside County, ILIL54,12123+0%
26Perry County, ILIL20,16023+0%
27Stephenson County, ILIL43,22023+0%
28Kendall County, ILIL145,47022+0%
29Jefferson County, ILIL36,14722+0%
30McHenry County, ILIL317,75122+0%
31Madison County, ILIL263,11022+0%
32Bond County, ILIL16,95921+0%
33Cass County, ILIL12,46321+0%
34Lee County, ILIL32,91420+0%
35Logan County, ILIL27,18220+0%
36Livingston County, ILIL35,05719+0%
37LaSalle County, ILIL107,77317+0%
38Morgan County, ILIL32,51517+0%
39McDonough County, ILIL25,91617+0%
40Ogle County, ILIL51,39916+0%
41Crawford County, ILIL18,64816+0%
42Massac County, ILIL13,50216+0%
43Clinton County, ILIL37,12814+0%
44Fayette County, ILIL20,79014+0%
45Bureau County, ILIL32,51014+0%
46Marion County, ILIL36,38213+0%
47Saline County, ILIL22,77213+0%
48Fulton County, ILIL32,90112+0%
49Montgomery County, ILIL28,07612+0%
50Iroquois County, ILIL26,15012+0%
51Pope County, ILIL3,67212+0%
52Warren County, ILIL16,22211+0%
53Grundy County, ILIL54,05211+0%
54Coles County, ILIL46,60711+0%
55Hardin County, ILIL3,58811+0%
56Adams County, ILIL64,26710+0%
57Henry County, ILIL48,09510+0%
58Williamson County, ILIL67,22510+0%
59Douglas County, ILIL19,88010+0%
60Union County, ILIL16,6569+0%
61Putnam County, ILIL5,6199+0%
62Christian County, ILIL33,4439+0%
63Carroll County, ILIL15,4197+0%
64Edgar County, ILIL16,3237+0%
65Tazewell County, ILIL130,0496+0%
66Pike County, ILIL14,2316+0%
67De Witt County, ILIL15,1185+0%
68Jo Daviess County, ILIL21,5945+0%
69Ford County, ILIL13,2164+0%
70Lawrence County, ILIL13,7904+0%
71Mercer County, ILIL15,2294+0%
72Macoupin County, ILIL43,7484+0%
73Richland County, ILIL15,2194+0%
74Wabash County, ILIL10,9074+0%
75Marshall County, ILIL11,4734+0%
76Jersey County, ILIL21,1604+0%
77Hamilton County, ILIL7,8594+0%
78Greene County, ILIL11,3133+0%
79Menard County, ILIL11,8633+0%
80Clay County, ILIL12,7933+0%
81Henderson County, ILIL5,9843+0%
82Woodford County, ILIL38,1113+0%
83Washington County, ILIL13,5643+0%
84Effingham County, ILIL34,5193+0%
85Gallatin County, ILIL4,6163+0%
86Stark County, ILIL5,3193+0%
87White County, ILIL13,2503+0%
88Monroe County, ILIL34,8403+0%
89Wayne County, ILIL15,8823+0%
90Piatt County, ILIL16,7912+0%
91Edwards County, ILIL5,8982+0%
92Franklin County, ILIL36,9162+0%
93Hancock County, ILIL16,8032+0%
94Cumberland County, ILIL10,2082+0%
95Schuyler County, ILIL6,6572+0%
96Shelby County, ILIL20,5762+0%
97Mason County, ILIL12,4112+0%
98Calhoun County, ILIL4,3002+0%
99Moultrie County, ILIL14,3712+0%
100Jasper County, ILIL9,0322+0%
101Clark County, ILIL15,1142+0%
102Scott County, ILIL4,8661+0%
SHOWING 1–102 OF 102
Download CSV (full list, 102 rows)How this score is calculated

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