Illinois is home to approximately 12.6 million people, centred on Chicago — the third largest US city and a major hub for finance, commerce, and transportation. Illinois observes all 11 federal public holidays and additionally recognises Casimir Pulaski Day (first Monday in March), reflecting the state's significant Polish-American community.
In 2025, Illinois observes 12 public holidays in total — 12 nationwide holidays that apply across all of United States.
Public Holidays 2025
12 holidays
Illinois — All Public Holidays 2025
| Date | Day | Holiday | Type |
|---|---|---|---|
| 1 Jan 2025 | Wed | New Year's Day | Nationwide |
| 20 Jan 2025 | Mon | Birthday of Martin Luther King, Jr. | Nationwide |
| 20 Jan 2025 | Mon | Inauguration Day | Nationwide |
| 17 Feb 2025 | Mon | Washington's Birthday | Nationwide |
| 26 May 2025 | Mon | Memorial Day | Nationwide |
| 19 Jun 2025 | Thu | Juneteenth National Independence Day | Nationwide |
| 4 Jul 2025 | Fri | Independence Day | Nationwide |
| 1 Sept 2025 | Mon | Labor Day | Nationwide |
| 13 Oct 2025 | Mon | Columbus Day | Nationwide |
| 11 Nov 2025 | Tue | Veterans Day | Nationwide |
| 27 Nov 2025 | Thu | Thanksgiving Day | Nationwide |
| 25 Dec 2025 | Thu | Christmas Day | Nationwide |
School Holidays 2025
Illinois — School Holidays 2025
Winter Break
No break
Spring Break
14.04.2025 - 18.04.2025
Summer Holidays
06.06.2025 - 26.08.2025
Christmas Break
22.12.2024 - 05.01.2025