July 3rd, 4th, 5th, 6th, 2025. The Mundelein Community Days 2025 festival will take place July 3, 2025 to July 6, 2025, so please mark your calendars now! Community Days has something for everyone-carnival, fireworks, parade, food, music, games, contests, demonstrations, displays, and lots of kids activities. Each year, thousands of Mundelein residents and visitors attend the summer celebration. This four-day, family-oriented event has earned a reputation as one of the best festivals in Lake County!
