Munster is a suburban town in North Township, Lake County, Indiana, United States. It is in the Chicago metropolitan area, approximately 30 miles (48 km) southeast of the Chicago Loop, and shares municipal boundaries with Hammond to the north, Highland to the east, Dyer and Schererville to the south, and Lansing and Lynwood directly west over the Illinois border. Its population was 23,894 at the 2020 US Census.