# Counties in Illinois by graduate or professional degree, population 25 and over, 2024

All 102 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `graduate_degree_share`
- Unit: %
- Definition: People aged 25 and over whose highest degree is a master's, professional school or doctorate degree, as a percentage of all people aged 25 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat)
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/graduate-or-professional-degree/illinois-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Champaign County | 25.3 |
| 2 | DuPage County | 21.2 |
| 3 | Lake County | 20.2 |
| 4 | Cook County | 18 |
| 5 | Jackson County | 16.8 |
| 6 | McLean County | 16.3 |
| 7 | McDonough County | 15.3 |
| 8 | Will County | 14.9 |
| 9 | Sangamon County | 14.8 |
| 10 | St. Clair County | 13.8 |
| 11 | Monroe County | 13.7 |
| 12 | Kane County | 13.6 |
| 13 | Peoria County | 13.3 |
| 14 | DeKalb County | 13.3 |
| 15 | Woodford County | 13 |
| 16 | Kendall County | 12.7 |
| 17 | McHenry County | 12.1 |
| 18 | Piatt County | 11.8 |
| 19 | Madison County | 11.2 |
| 20 | Coles County | 11.1 |
| 21 | Menard County | 10.9 |
| 22 | Williamson County | 10.6 |
| 23 | Winnebago County | 9.4 |
| 24 | Boone County | 9.4 |
| 25 | Bond County | 9.2 |
| 26 | Tazewell County | 9.2 |
| 27 | Jo Daviess County | 9 |
| 28 | Rock Island County | 9 |
| 29 | Effingham County | 8.9 |
| 30 | Adams County | 8.8 |
| 31 | Clark County | 8.7 |
| 32 | Hamilton County | 8.6 |
| 33 | Macon County | 8.3 |
| 34 | Clinton County | 8.3 |
| 34 | Washington County | 8.3 |
| 36 | Putnam County | 8.1 |
| 37 | Kankakee County | 8.1 |
| 38 | Ogle County | 8.1 |
| 39 | Henry County | 8 |
| 40 | Warren County | 7.9 |
| 41 | Jersey County | 7.8 |
| 42 | Vermilion County | 7.8 |
| 43 | Whiteside County | 7.7 |
| 44 | Johnson County | 7.6 |
| 45 | Hancock County | 7.6 |
| 46 | Grundy County | 7.5 |
| 47 | Knox County | 7.4 |
| 48 | Jasper County | 7.3 |
| 49 | Douglas County | 7.2 |
| 50 | Mercer County | 7.1 |
| 51 | Morgan County | 7.1 |
| 52 | Logan County | 7 |
| 53 | Stephenson County | 7 |
| 54 | Lee County | 6.9 |
| 55 | Union County | 6.9 |
| 56 | De Witt County | 6.9 |
| 57 | Bureau County | 6.8 |
| 58 | Jefferson County | 6.7 |
| 59 | Moultrie County | 6.7 |
| 60 | Schuyler County | 6.7 |
| 61 | LaSalle County | 6.5 |
| 62 | Crawford County | 6.5 |
| 63 | Macoupin County | 6.4 |
| 63 | White County | 6.4 |
| 65 | Montgomery County | 6.3 |
| 65 | Wabash County | 6.3 |
| 67 | Ford County | 6.2 |
| 68 | Cumberland County | 6.1 |
| 69 | Fulton County | 6 |
| 70 | Cass County | 6 |
| 70 | Greene County | 6 |
| 72 | Livingston County | 6 |
| 73 | Edwards County | 5.9 |
| 74 | Richland County | 5.8 |
| 75 | Saline County | 5.7 |
| 76 | Iroquois County | 5.5 |
| 76 | Stark County | 5.5 |
| 78 | Mason County | 5.5 |
| 79 | Lawrence County | 5.4 |
| 79 | Marshall County | 5.4 |
| 81 | Marion County | 5.3 |
| 82 | Hardin County | 5.2 |
| 83 | Wayne County | 5.1 |
| 84 | Fayette County | 5.1 |
| 85 | Gallatin County | 5.1 |
| 86 | Calhoun County | 5.1 |
| 87 | Franklin County | 5.1 |
| 88 | Christian County | 5 |
| 89 | Randolph County | 5 |
| 90 | Pike County | 4.9 |
| 91 | Edgar County | 4.8 |
| 92 | Pulaski County | 4.7 |
| 93 | Henderson County | 4.7 |
| 94 | Carroll County | 4.6 |
| 95 | Alexander County | 4.6 |
| 96 | Massac County | 4.6 |
| 97 | Perry County | 4.5 |
| 98 | Shelby County | 4.5 |
| 99 | Pope County | 4.4 |
| 100 | Clay County | 4.3 |
| 101 | Scott County | 4.3 |
| 102 | Brown County | 2.8 |
