Ranking of Illinois Counties By Percentage of Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Illinois Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 5.36%. Among all Illinois counties, Douglas County had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (15.27%), followed by Alexander County (14.86%), and Hardin County (14.66%).
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.
| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Douglas County | 15.27 |
| 2 | Alexander County | 14.86 |
| 3 | Hardin County | 14.66 |
| 4 | Moultrie County | 13.47 |
| 5 | Perry County | 12.33 |
| 6 | Gallatin County | 12.13 |
| 7 | Wayne County | 12.03 |
| 8 | Fayette County | 11.92 |
| 9 | Saline County | 11.78 |
| 10 | Johnson County | 11.64 |
| 11 | Massac County | 11.62 |
| 12 | Hamilton County | 11.50 |
| 13 | Edgar County | 11.46 |
| 14 | Clay County | 11.32 |
| 15 | Marion County | 10.72 |
| 16 | Pope County | 10.55 |
| 17 | Franklin County | 10.45 |
| 18 | Montgomery County | 10.28 |
| 19 | Carroll County | 10.18 |
| 20 | Pulaski County | 10.02 |
| 21 | Stark County | 9.98 |
| 22 | Christian County | 9.90 |
| 23 | Union County | 9.89 |
| 24 | Brown County | 9.75 |
| 25 | Lawrence County | 9.69 |
| 26 | White County | 9.68 |
| 27 | Crawford County | 9.64 |
| 27 | Randolph County | 9.64 |
| 28 | Cass County | 9.57 |
| 29 | Morgan County | 9.49 |
| 30 | Bond County | 9.47 |
| 31 | Iroquois County | 9.41 |
| 32 | Greene County | 9.22 |
| 33 | Mason County | 8.97 |
| 34 | Warren County | 8.87 |
| 35 | Jefferson County | 8.71 |
| 36 | Fulton County | 8.66 |
| 37 | Macoupin County | 8.62 |
| 38 | Wabash County | 8.40 |
| 39 | Knox County | 8.19 |
| 40 | Winnebago County | 8.07 |
| 41 | Pike County | 8.05 |
| 42 | Edwards County | 7.93 |
| 43 | Whiteside County | 7.86 |
| 44 | Richland County | 7.81 |
| 45 | Jasper County | 7.80 |
| 46 | Henderson County | 7.78 |
| 47 | Bureau County | 7.73 |
| 48 | Vermilion County | 7.72 |
| 49 | Lee County | 7.71 |
| 50 | Coles County | 7.48 |
| 51 | Jackson County | 7.40 |
| 52 | Ford County | 7.36 |
| 53 | Calhoun County | 7.35 |
| 54 | Jersey County | 7.28 |
| 55 | Livingston County | 7.25 |
| 56 | Boone County | 7.21 |
| 57 | Washington County | 7.10 |
| 58 | Ogle County | 7.09 |
| 59 | Marshall County | 7.03 |
| 60 | Mercer County | 6.97 |
| 61 | Logan County | 6.94 |
| 62 | LaSalle County | 6.91 |
| 63 | Shelby County | 6.86 |
| 64 | Clark County | 6.80 |
| 65 | Adams County | 6.79 |
| 66 | Clinton County | 6.75 |
| 66 | Schuyler County | 6.75 |
| 67 | Macon County | 6.71 |
| 68 | Kankakee County | 6.67 |
| 69 | Stephenson County | 6.65 |
| 70 | Williamson County | 6.55 |
| 71 | Rock Island County | 6.53 |
| 72 | Effingham County | 6.41 |
| 73 | Cumberland County | 6.39 |
| 74 | Jo Daviess County | 6.37 |
| 75 | Hancock County | 6.36 |
| 76 | Henry County | 6.34 |
| 77 | Tazewell County | 6.24 |
| 78 | Piatt County | 6.10 |
| 78 | Putnam County | 6.10 |
| 79 | Scott County | 6.06 |
| 80 | Madison County | 6.02 |
| 81 | Woodford County | 5.68 |
| 82 | De Witt County | 5.65 |
| 83 | Sangamon County | 5.62 |
| 84 | Peoria County | 5.29 |
| 85 | McDonough County | 5.16 |
| 86 | St. Clair County | 4.92 |
| 87 | DeKalb County | 4.91 |
| 88 | Cook County | 4.77 |
| 89 | Monroe County | 4.50 |
| 90 | Grundy County | 4.45 |
| 91 | Menard County | 4.11 |
| 92 | Will County | 4.05 |
| 93 | McHenry County | 3.67 |
| 94 | Kendall County | 3.58 |
| 95 | Kane County | 3.44 |
| 96 | Champaign County | 3.23 |
| 97 | McLean County | 3.13 |
| 98 | DuPage County | 3.08 |
| 99 | Lake County | 2.90 |
