Mundelein is a village in Lake County, Illinois, United States and a northern suburb of Chicago. Per the 2020 census, the population was 31,560. It is approximately thirty-five miles northwest of Chicago.
Downtown Mundelein in March 2024
Lake County is situated in the northeastern corner of the U.S. state of Illinois, along the shores of Lake Michigan. As of the 2020 census, it has a population of 714,342, making it the third-most populous county in Illinois. Its county seat is Waukegan, the tenth-largest city in Illinois. The county is primarily suburban, with some urban areas and some rural areas. Due to its location, immediately north of Cook County, Lake County is one of the collar counties of the Chicago metropolitan area. Its northern boundary is the Wisconsin state line.
Lake County Courthouse in Waukegan
The Caspar Ott Cabin, built in 1837, is the oldest structure in Lake County.
A satellite view of the Lake County district
Six Flags Great America