Illinois Historical Education Level Data
ACS 2010-2014 data
Total population: 12,868,747
| Illinois | % | U.S. | |
| Total 25 Years and Over Population | 8,560,555 | 100% | 209,056,129 |
| Less Than High School | 1,062,144 | 12.41%, see rank | 13.67% |
| High School Graduate | 2,312,018 | 27.01%, see rank | 27.95% |
| Some College or Associate Degree | 2,456,459 | 28.70%, see rank | 29.09% |
| Bachelor Degree | 1,688,420 | 19.72%, see rank | 18.27% |
| Master, Doctorate, or Professional Degree | 1,041,514 | 12.17%, see rank | 11.01% |
| USA.com Education Index# | 13.72, see rank | - | 13.54 |
# Higher USA.com Education Index means more educated population.
ACS 2008-2012 data
Total population: 12,823,860
| Illinois | % | U.S. | |
| Total 25 Years and Over Population | 8,459,947 | 100% | 204,336,017 |
| Less Than High School | 1,102,449 | 13.03%, see rank | 14.28% |
| High School Graduate | 2,301,245 | 27.20%, see rank | 28.24% |
| Some College or Associate Degree | 2,426,909 | 28.69%, see rank | 28.99% |
| Bachelor Degree | 1,632,885 | 19.30%, see rank | 17.88% |
| Master, Doctorate, or Professional Degree | 996,459 | 11.78%, see rank | 10.61% |
| USA.com Education Index# | 13.65, see rank | - | 13.47 |
# Higher USA.com Education Index means more educated population.
ACS 2006-2010 data
Total population: 12,745,359
| Illinois | % | U.S. | |
| Total 25 Years and Over Population | 8,345,982 | 100% | 199,726,659 |
| Less Than High School | 1,151,003 | 13.79%, see rank | 14.97% |
| High School Graduate | 2,324,361 | 27.85%, see rank | 28.99% |
| Some College or Associate Degree | 2,343,734 | 28.08%, see rank | 28.14% |
| Bachelor Degree | 1,573,705 | 18.86%, see rank | 17.60% |
| Master, Doctorate, or Professional Degree | 953,179 | 11.42%, see rank | 10.30% |
| USA.com Education Index# | 13.56, see rank | - | 13.39 |
# Higher USA.com Education Index means more educated population.
ACS 2005-2009 data
Total population: 12,785,043
| Illinois | % | U.S. | |
| Total 25 Years and Over Population | 8,309,322 | 100% | 197,440,772 |
| Less Than High School | 1,187,174 | 14.29%, see rank | 15.42% |
| High School Graduate | 2,334,182 | 28.09%, see rank | 29.31% |
| Some College or Associate Degree | 2,314,868 | 27.86%, see rank | 27.74% |
| Bachelor Degree | 1,542,600 | 18.56%, see rank | 17.42% |
| Master, Doctorate, or Professional Degree | 930,498 | 11.20%, see rank | 10.12% |
| USA.com Education Index# | 13.51, see rank | - | 13.34 |
# Higher USA.com Education Index means more educated population.
US Census 2000 data
Total population: 12,419,293
| Illinois | % | U.S. | |
| Total 25 Years and Over Population | 7,973,671 | 100% | 182,211,639 |
| Less Than High School | 1,480,443 | 18.57%, see rank | 19.60% |
| High School Graduate | 2,212,291 | 27.74%, see rank | 28.63% |
| Some College or Associate Degree | 2,202,888 | 27.63%, see rank | 27.37% |
| Bachelor Degree | 1,317,182 | 16.52%, see rank | 15.54% |
| Master, Doctorate, or Professional Degree | 760,867 | 9.54%, see rank | 8.86% |
| USA.com Education Index# | 13.14, see rank | - | 13.01 |
# Higher USA.com Education Index means more educated population.
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.