The Miss Illinois is a pageant program affiliated with Miss America, which is competition for women models representing the state of Illinois.

Miss America is an annual competition that is open to women from the United States between the ages of 18 and 28. Originating in 1921 as a "bathing beauty revue", the contest is judged on competition segments with scoring percentages: Private Interview (30%) – a 10-minute press conference-style interview with a panel of judges, On Stage Question (10%) – answering a judge's question onstage, Talent or HER Story (20%) – a performance talent or 90 second speech, Health and Fitness (20%) – demonstrated physical fitness onstage dressed in athletic wear, and Evening Gown (20%) – modeling evening-wear onstage.