Ranking of Illinois Counties By Percentage of Some Other Race Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Illinois Some Other Race Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 35.39%. Among all Illinois counties, Gallatin County had the highest percentage of its Some Other Race Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (100.00%), followed by Schuyler County (100.00%), and Stark County (100.00%).

The chart below shows the top 10 Illinois counties, and the table below shows the ranking of all Illinois counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Illinois Counties By Percentage of Some Other Race Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Gallatin County
Schuyler County
Stark County
Morgan County
Wayne County
White County
Edgar County
Randolph County
Cumberland County
Lawrence County
Ranking of Illinois Counties By Percentage of Some Other Race Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Items per page:
0 of 0
Rank County Percentage of Population (Aged 25yrs+) (%)
1 Gallatin County 100.00
1 Schuyler County 100.00
1 Stark County 100.00
2 Morgan County 82.41
3 Wayne County 74.51
4 White County 72.00
5 Edgar County 67.15
6 Randolph County 64.21
7 Cumberland County 63.16
8 Lawrence County 60.33
9 Boone County 54.01
10 LaSalle County 52.55
11 Warren County 52.33
12 Iroquois County 52.02
13 Cass County 50.32
14 Union County 50.00
15 DeKalb County 49.41
16 Macon County 48.74
17 Effingham County 48.43
18 Ford County 47.74
19 Henry County 47.33
20 Kane County 46.18
21 Pike County 43.48
22 Kankakee County 43.29
23 Douglas County 42.11
24 Macoupin County 41.58
25 Brown County 41.48
26 Jersey County 40.74
27 Lee County 39.17
28 Winnebago County 38.80
29 Lake County 38.35
30 Rock Island County 37.76
31 Will County 37.37
32 Putnam County 36.84
33 DuPage County 36.31
34 Bureau County 36.04
35 McLean County 35.43
36 Mercer County 35.19
37 Cook County 33.57
38 Jo Daviess County 33.33
39 Jackson County 32.85
40 St. Clair County 32.36
41 Montgomery County 32.14
42 Grundy County 31.15
43 Williamson County 29.86
44 Stephenson County 29.59
45 Livingston County 29.24
46 McHenry County 28.89
47 Champaign County 28.67
48 Kendall County 28.45
49 Coles County 28.39
50 Hamilton County 26.92
51 Fayette County 26.83
52 Knox County 26.12
53 Monroe County 25.55
54 Madison County 25.48
55 Fulton County 25.42
56 Saline County 25.00
57 De Witt County 24.32
57 Marshall County 24.32
58 Johnson County 23.08
59 Whiteside County 23.00
60 Ogle County 22.88
61 Bond County 22.22
62 Peoria County 21.79
63 Woodford County 21.58
64 Franklin County 19.28
65 Marion County 17.30
66 McDonough County 17.11
67 Carroll County 15.15
68 Vermilion County 14.00
69 Clay County 13.04
70 Jefferson County 11.88
71 Sangamon County 7.69
72 Tazewell County 7.12
73 Crawford County 7.02
74 Clinton County 6.67
75 Hancock County 4.55
76 Adams County 2.50
77 Clark County 0.00
77 Greene County 0.00
77 Henderson County 0.00
77 Jasper County 0.00
77 Logan County 0.00
77 Mason County 0.00
77 Massac County 0.00
77 Moultrie County 0.00
77 Perry County 0.00
77 Piatt County 0.00
77 Pulaski County 0.00
77 Richland County 0.00
77 Scott County 0.00
77 Shelby County 0.00
77 Wabash County 0.00
77 Washington County 0.00