is a town located in the North Township, Lake County, in Northwest Indiana in the United States. This affluent town lies in the Chicago metropolitan area, colloquially known as Chicagoland. As of 2006, the town's population was 22,346.
The town is home to the Community Hospital, The Centre for Visual and Performing Arts,
newspaper, a PepsiAmericas bottling and distribution facility, an Amazon.com distribution center and The Three Floyds Brewing Company.
Munster is located at (41.551457, -87.501431), at a point on an ancient shoreline of Lake Michigan (known as the Calumet Shoreline) which is today Ridge Road. This ridge runs east and west through the north part of town, hence the town's nickname "Town on the Ridge". The town's boundaries contain three small lakes, one of which, located within Centennial Park, is marshy and underdeveloped. The town is bordered on the north by the Little Calumet River, a shallow river surrounded by a thin strip of wooded area; and on the west by the Illinois state line. It shares municipal boundaries with Hammond to the north, Highland to the east, Schererville and Dyer in Indiana to the south, and with Lansing and Lynwood in Illinois to the west.
According to the United States Census Bureau, the town has a total area of 7.6 square miles (19.7 km²), of which, 7.5 square miles (19.5 km²) of it is land and 0.1 square miles (0.1 km²) of it (0.66%) is water.