Ranking of Illinois Counties By 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 Illinois Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 302,959. Among all Illinois counties, Cook County had the highest Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (80,637), followed by DuPage County (13,754), and Will County (12,411).
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 | Number of People |
|---|---|---|
| 1 | Cook County | 80637 |
| 2 | DuPage County | 13754 |
| 3 | Will County | 12411 |
| 4 | Winnebago County | 11627 |
| 5 | Madison County | 9789 |
| 6 | Lake County | 8919 |
| 7 | Kane County | 7376 |
| 8 | McHenry County | 6526 |
| 9 | Sangamon County | 6451 |
| 10 | St. Clair County | 5662 |
| 11 | Tazewell County | 5466 |
| 12 | Rock Island County | 4999 |
| 13 | Peoria County | 4861 |
| 14 | LaSalle County | 4712 |
| 15 | Macon County | 3878 |
| 16 | Kankakee County | 3612 |
| 17 | Vermilion County | 3268 |
| 18 | Adams County | 2903 |
| 19 | Williamson County | 2853 |
| 20 | Champaign County | 2804 |
| 21 | Whiteside County | 2697 |
| 22 | McLean County | 2695 |
| 23 | Franklin County | 2691 |
| 24 | Macoupin County | 2663 |
| 25 | Marion County | 2610 |
| 26 | Knox County | 2480 |
| 27 | DeKalb County | 2397 |
| 28 | Christian County | 2311 |
| 29 | Ogle County | 2262 |
| 30 | Coles County | 2151 |
| 31 | Kendall County | 2097 |
| 32 | Henry County | 2047 |
| 33 | Boone County | 1995 |
| 34 | Morgan County | 1994 |
| 35 | Jefferson County | 1991 |
| 36 | Montgomery County | 1965 |
| 37 | Fulton County | 1957 |
| 38 | Jackson County | 1878 |
| 39 | Saline County | 1874 |
| 40 | Stephenson County | 1844 |
| 41 | Douglas County | 1842 |
| 42 | Randolph County | 1812 |
| 43 | Fayette County | 1675 |
| 44 | Iroquois County | 1674 |
| 45 | Lee County | 1670 |
| 46 | Bureau County | 1650 |
| 47 | Livingston County | 1645 |
| 48 | Clinton County | 1631 |
| 49 | Perry County | 1621 |
| 50 | Effingham County | 1459 |
| 51 | Woodford County | 1425 |
| 52 | Edgar County | 1373 |
| 53 | Grundy County | 1366 |
| 54 | Wayne County | 1333 |
| 55 | Moultrie County | 1277 |
| 56 | Logan County | 1195 |
| 57 | Crawford County | 1190 |
| 58 | Union County | 1142 |
| 59 | Monroe County | 1071 |
| 60 | Carroll County | 1068 |
| 61 | Jersey County | 1060 |
| 62 | Massac County | 1056 |
| 63 | Shelby County | 1017 |
| 64 | Bond County | 1016 |
| 65 | Clay County | 1013 |
| 66 | Jo Daviess County | 1004 |
| 67 | Johnson County | 966 |
| 68 | White County | 931 |
| 69 | Lawrence County | 911 |
| 70 | Warren County | 848 |
| 71 | Richland County | 831 |
| 72 | Mason County | 825 |
| 73 | Pike County | 804 |
| 74 | McDonough County | 786 |
| 75 | Hancock County | 784 |
| 76 | Greene County | 769 |
| 77 | Mercer County | 755 |
| 78 | Clark County | 718 |
| 79 | Piatt County | 694 |
| 80 | Washington County | 686 |
| 81 | Cass County | 683 |
| 82 | Ford County | 655 |
| 83 | Wabash County | 646 |
| 84 | Hamilton County | 628 |
| 85 | De Witt County | 604 |
| 86 | Marshall County | 574 |
| 87 | Jasper County | 496 |
| 88 | Cumberland County | 461 |
| 89 | Gallatin County | 433 |
| 90 | Hardin County | 414 |
| 91 | Alexander County | 388 |
| 92 | Stark County | 366 |
| 93 | Henderson County | 364 |
| 94 | Menard County | 348 |
| 95 | Edwards County | 337 |
| 96 | Schuyler County | 327 |
| 97 | Brown County | 322 |
| 98 | Pope County | 288 |
| 99 | Pulaski County | 248 |
| 100 | Calhoun County | 236 |
| 100 | Putnam County | 236 |
| 101 | Scott County | 205 |
