In Illinois, felonies are categorized into six classes which include:
Class of Felony
Punishment
Class 1 Felony4-15 years in the Illinois Department of Corrections Class 2 Felony3-7 years in the Illinois Department of Corrections Class 3 Felony2-5 years in the Illinois Department of Corrections Class 4 Felony1-3 years in the Illinois Department of Corrections Class X Felony6-30 years in the Illinois Department of Corrections