Mundelein is a village in Lake County, Illinois, USA. Located about 35 miles northwest of Chicago, the village is also considered to be one of its suburbs. The approximate population was 31,560, according to the 2020 census.
The village was incorporated in 1909 and had a total area of 99.9 square miles. If you like a peaceful rest, you may visit Diamond Lake. It's a notable destination in Mundelein, where you can relax and take nice pictures at any time of the year.