Mundelein is a village in Lake County, Illinois, with a population of approximately 31,632.
Annual Business Registrations are now open with the Village of Mundelein!
Save the Date! Mundelein’s Village-wide Spring Clean Up is scheduled for the weeks of April 28, 2026, and May 5, 2026.
Mayor Robin D. Meier's State of the Village Presentation, 2026.