2025 Holiday Schedule Illinois State. Resolution whereas, the illinois revised statutes provide the days that state and county offices may be closed. Holidays illinois (united states) here you will find the public holidays for illinois of the current year ( 2024 ), of the following two years ( 2025 ), ( 2026 ), as well as of the past.
Comprehensive list of national and regional public holidays that are celebrated in illinois, usa during 2025 with dates and information on the origin and meaning of holidays. This holiday features fireworks, parades, and various community events that honor.