Ranking of Illinois Counties By Percentage of Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent 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 High School Graduate or Equivalent was 25.24%. Among all Illinois counties, Scott County had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (45.17%), followed by Greene County (45.14%), and Cass County (44.68%).
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 | Scott County | 45.17 |
| 2 | Greene County | 45.14 |
| 3 | Cass County | 44.68 |
| 4 | Pulaski County | 43.72 |
| 5 | Livingston County | 43.30 |
| 6 | Alexander County | 43.09 |
| 7 | Shelby County | 43.07 |
| 8 | Henderson County | 42.83 |
| 9 | Christian County | 42.62 |
| 10 | Pike County | 42.22 |
| 11 | Pope County | 41.76 |
| 12 | Vermilion County | 41.57 |
| 13 | De Witt County | 41.53 |
| 14 | Calhoun County | 41.50 |
| 15 | Mason County | 41.34 |
| 16 | Fayette County | 41.30 |
| 17 | Montgomery County | 40.68 |
| 18 | Macoupin County | 40.60 |
| 19 | Randolph County | 40.29 |
| 20 | Putnam County | 39.92 |
| 21 | Iroquois County | 39.83 |
| 22 | Clay County | 39.74 |
| 23 | Morgan County | 39.50 |
| 24 | Stark County | 39.47 |
| 25 | Schuyler County | 39.17 |
| 26 | Marshall County | 39.15 |
| 27 | Mercer County | 39.04 |
| 28 | Brown County | 39.01 |
| 29 | Cumberland County | 38.91 |
| 30 | Edgar County | 38.43 |
| 31 | Fulton County | 38.35 |
| 32 | Gallatin County | 38.33 |
| 33 | Jasper County | 38.29 |
| 34 | Whiteside County | 37.85 |
| 35 | Clark County | 37.76 |
| 36 | Jersey County | 37.62 |
| 37 | Logan County | 36.85 |
| 38 | Carroll County | 36.70 |
| 39 | LaSalle County | 36.53 |
| 40 | Lawrence County | 36.44 |
| 41 | Perry County | 36.30 |
| 42 | Ford County | 36.17 |
| 43 | Jo Daviess County | 36.12 |
| 44 | Bureau County | 35.90 |
| 45 | Lee County | 35.76 |
| 46 | Kankakee County | 35.71 |
| 47 | Knox County | 35.61 |
| 48 | Marion County | 35.59 |
| 49 | Adams County | 35.57 |
| 50 | Macon County | 35.56 |
| 50 | Massac County | 35.56 |
| 51 | Henry County | 35.50 |
| 52 | Union County | 35.20 |
| 53 | Wayne County | 35.19 |
| 54 | Hancock County | 35.04 |
| 55 | Warren County | 34.91 |
| 56 | Ogle County | 34.87 |
| 57 | Douglas County | 34.67 |
| 58 | Edwards County | 34.55 |
| 59 | Boone County | 34.30 |
| 60 | White County | 34.26 |
| 61 | McDonough County | 34.20 |
| 62 | Menard County | 33.96 |
| 63 | Hardin County | 33.91 |
| 64 | Stephenson County | 33.67 |
| 65 | Moultrie County | 33.66 |
| 66 | Washington County | 33.47 |
| 67 | Grundy County | 33.31 |
| 68 | Bond County | 33.30 |
| 69 | Effingham County | 32.74 |
| 70 | Johnson County | 32.71 |
| 71 | Franklin County | 32.65 |
| 72 | Coles County | 32.64 |
| 73 | Piatt County | 32.62 |
| 74 | Hamilton County | 32.39 |
| 75 | Jefferson County | 32.34 |
| 76 | Wabash County | 32.32 |
| 77 | Clinton County | 32.23 |
| 78 | Winnebago County | 31.42 |
| 79 | Richland County | 31.26 |
| 80 | Rock Island County | 30.59 |
| 81 | Tazewell County | 30.57 |
| 82 | Williamson County | 30.01 |
| 83 | Crawford County | 29.97 |
| 84 | Madison County | 29.31 |
| 85 | Saline County | 29.14 |
| 86 | Woodford County | 28.29 |
| 87 | Peoria County | 27.59 |
| 87 | Sangamon County | 27.59 |
| 88 | Will County | 26.61 |
| 89 | McHenry County | 25.92 |
| 90 | DeKalb County | 25.86 |
| 91 | Monroe County | 25.60 |
| 92 | St. Clair County | 25.55 |
| 93 | McLean County | 24.05 |
| 94 | Jackson County | 23.35 |
| 95 | Kendall County | 22.56 |
| 96 | Champaign County | 21.54 |
| 97 | Kane County | 21.13 |
| 98 | Cook County | 18.21 |
| 99 | Lake County | 18.15 |
| 100 | DuPage County | 18.10 |
