Counties with the most college graduates in Illinois

- 23.6% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 8.7% ($21,621 median earnings)
- High school graduate: 34.3% ($32,153)
- Some college or Associate's degree: 33.4% ($37,108)
- Bachelor's degree: 15.7% ($51,128)
- Graduate or professional degree: 7.9% ($63,672)

- 23.7% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.6% ($28,539 median earnings)
- High school graduate: 34.1% ($33,323)
- Some college or Associate's degree: 34.6% ($39,951)
- Bachelor's degree: 16.5% ($52,287)
- Graduate or professional degree: 7.3% ($68,359)

- 23.8% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 11.1% ($24,146 median earnings)
- High school graduate: 29.1% ($32,967)
- Some college or Associate's degree: 35.9% ($36,256)
- Bachelor's degree: 15.3% ($51,226)
- Graduate or professional degree: 8.5% ($66,944)

- 24.2% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 13.3% ($31,068 median earnings)
- High school graduate: 32.3% ($33,873)
- Some college or Associate's degree: 30.2% ($36,141)
- Bachelor's degree: 14.6% ($56,473)
- Graduate or professional degree: 9.6% ($87,381)

- 24.3% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 6.9% ($33,405 median earnings)
- High school graduate: 36.1% ($35,540)
- Some college or Associate's degree: 32.7% ($41,936)
- Bachelor's degree: 15.2% ($50,446)
- Graduate or professional degree: 9.1% ($65,882)

- 25.2% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.8% ($22,296 median earnings)
- High school graduate: 34.4% ($35,931)
- Some college or Associate's degree: 32.6% ($34,897)
- Bachelor's degree: 16.4% ($44,641)
- Graduate or professional degree: 8.8% ($59,327)

- 25.4% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 6.4% ($38,047 median earnings)
- High school graduate: 31.7% ($40,184)
- Some college or Associate's degree: 36.4% ($47,457)
- Bachelor's degree: 16.7% ($60,279)
- Graduate or professional degree: 8.8% ($69,245)

- 25.6% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.6% ($18,045 median earnings)
- High school graduate: 29.8% ($29,060)
- Some college or Associate's degree: 37.0% ($35,106)
- Bachelor's degree: 15.5% ($48,791)
- Graduate or professional degree: 10.1% ($67,448)

- 26.0% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 6.8% ($20,397 median earnings)
- High school graduate: 31.9% ($36,094)
- Some college or Associate's degree: 35.3% ($38,204)
- Bachelor's degree: 17.9% ($57,022)
- Graduate or professional degree: 8.1% ($64,540)

- 26.1% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 9.1% ($20,145 median earnings)
- High school graduate: 31.1% ($27,211)
- Some college or Associate's degree: 33.8% ($30,415)
- Bachelor's degree: 15.2% ($41,998)
- Graduate or professional degree: 10.8% ($52,390)

- 26.4% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.6% ($25,752 median earnings)
- High school graduate: 34.8% ($32,026)
- Some college or Associate's degree: 31.2% ($32,366)
- Bachelor's degree: 16.4% ($45,417)
- Graduate or professional degree: 10.0% ($53,683)

- 27.8% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.3% ($21,190 median earnings)
- High school graduate: 28.9% ($32,308)
- Some college or Associate's degree: 36.1% ($40,371)
- Bachelor's degree: 17.4% ($56,408)
- Graduate or professional degree: 10.3% ($71,276)

- 29.0% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 8.3% ($21,952 median earnings)
- High school graduate: 27.8% ($29,916)
- Some college or Associate's degree: 34.9% ($36,332)
- Bachelor's degree: 17.0% ($55,230)
- Graduate or professional degree: 12.0% ($66,843)

- 29.8% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 6.2% ($39,395 median earnings)
- High school graduate: 33.2% ($33,961)
- Some college or Associate's degree: 30.7% ($41,073)
- Bachelor's degree: 19.9% ($50,298)
- Graduate or professional degree: 9.9% ($60,298)

- 31.1% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 8.2% ($23,348 median earnings)
- High school graduate: 28.2% ($27,266)
- Some college or Associate's degree: 32.5% ($34,373)
- Bachelor's degree: 19.1% ($51,268)
- Graduate or professional degree: 12.0% ($74,257)

- 32.4% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.9% ($30,736 median earnings)
- High school graduate: 25.4% ($34,306)
- Some college or Associate's degree: 34.4% ($37,895)
- Bachelor's degree: 20.2% ($51,143)
- Graduate or professional degree: 12.2% ($60,394)

- 32.4% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 4.8% ($30,054 median earnings)
- High school graduate: 30.8% ($24,583)
- Some college or Associate's degree: 32.1% ($30,193)
- Bachelor's degree: 16.0% ($45,000)
- Graduate or professional degree: 16.4% ($53,363)

- 33.8% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 5.5% ($27,637 median earnings)
- High school graduate: 30.3% ($36,707)
- Some college or Associate's degree: 30.4% ($43,741)
- Bachelor's degree: 21.6% ($62,354)
- Graduate or professional degree: 12.2% ($74,892)

- 34.1% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.5% ($21,785 median earnings)
- High school graduate: 27.6% ($32,296)
- Some college or Associate's degree: 30.8% ($39,066)
- Bachelor's degree: 21.0% ($53,915)
- Graduate or professional degree: 13.1% ($70,411)

- 34.7% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 14.3% ($28,292 median earnings)
- High school graduate: 22.8% ($35,155)
- Some college or Associate's degree: 28.2% ($41,755)
- Bachelor's degree: 22.5% ($65,629)
- Graduate or professional degree: 12.2% ($79,498)

- 34.8% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 8.5% ($29,825 median earnings)
- High school graduate: 26.3% ($37,350)
- Some college or Associate's degree: 30.4% ($45,258)
- Bachelor's degree: 22.3% ($65,996)
- Graduate or professional degree: 12.5% ($81,619)

- 35.2% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 6.7% ($28,552 median earnings)
- High school graduate: 25.8% ($40,370)
- Some college or Associate's degree: 32.2% ($45,902)
- Bachelor's degree: 23.6% ($64,798)
- Graduate or professional degree: 11.6% ($77,553)

- 35.5% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.4% ($23,528 median earnings)
- High school graduate: 24.3% ($23,574)
- Some college or Associate's degree: 32.8% ($27,269)
- Bachelor's degree: 16.3% ($36,157)
- Graduate or professional degree: 19.3% ($50,180)

- 35.9% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 7.7% ($27,909 median earnings)
- High school graduate: 23.3% ($45,419)
- Some college or Associate's degree: 33.1% ($45,325)
- Bachelor's degree: 23.1% ($62,610)
- Graduate or professional degree: 12.8% ($69,229)

- 36.6% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 4.2% ($12,078 median earnings)
- High school graduate: 26.3% ($36,603)
- Some college or Associate's degree: 33.0% ($46,886)
- Bachelor's degree: 22.9% ($60,051)
- Graduate or professional degree: 13.6% ($90,247)

- 40.0% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 12.3% ($26,688 median earnings)
- High school graduate: 22.6% ($31,681)
- Some college or Associate's degree: 25.1% ($37,952)
- Bachelor's degree: 23.6% ($61,337)
- Graduate or professional degree: 16.4% ($79,386)

- 44.6% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 3.8% ($22,010 median earnings)
- High school graduate: 24.1% ($34,208)
- Some college or Associate's degree: 27.6% ($40,422)
- Bachelor's degree: 29.4% ($59,603)
- Graduate or professional degree: 15.2% ($72,075)

- 45.0% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 5.1% ($23,167 median earnings)
- High school graduate: 21.9% ($31,702)
- Some college or Associate's degree: 28.0% ($36,373)
- Bachelor's degree: 21.1% ($50,377)
- Graduate or professional degree: 23.9% ($57,951)

- 46.1% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 9.2% ($26,014 median earnings)
- High school graduate: 20.1% ($34,965)
- Some college or Associate's degree: 24.6% ($41,984)
- Bachelor's degree: 26.9% ($71,181)
- Graduate or professional degree: 19.1% ($99,302)

- 50.3% of population 25 years and over with Bachelor's degree or higher

- Less than high school diploma: 6.7% ($28,572 median earnings)
- High school graduate: 18.2% ($35,946)
- Some college or Associate's degree: 24.8% ($43,932)
- Bachelor's degree: 30.6% ($66,202)
- Graduate or professional degree: 19.7% ($89,146)