Cedar Lake is a town in Hanover and Center townships, Lake County, Indiana, United States. The population was 11,560 at the 2010 census. The town is known for Cedar Lake (formerly Lake of the Red Cedars, Armour).HistoryCedar Lake was settled by pioneers in the mid-19th century and originally named West Point. In 1839, it competed with the settlements of Liverpool and Lake Court House (later called Crown Point) to be the county seat of Lake County, but lost out to Liverpool. By 1870, the Cedar Lake Post Office was established, giving the area a new name. After the Monon Railroad came to the lake's western shore in 1882, many new residents flocked to the area along with tourists who saw the lake as a resort destination. From the late 19th century to the early 20th century, Cedar Lake was a popular place for Chicagoans looking for a retreat from the city. The lake had over 50 hotels at the time and several pavilions and ballrooms that brought many well-known bands to entertain the visitors.The Lassen Hotel and Monon Park Dancing Pavilion are listed in the National Register of Historic Places.GeographyCedar Lake is located at .According to the 2010 census, Cedar Lake has a total area of 9.61sqmi, of which 8.22sqmi is land and 1.39sqmi is water. The lake, which is the largest natural lake in northwest Indiana, appears to have formed from glacial meltwaters. There is an abundance of hills around the lake, which are evidence of the Valparaiso Moraine running through the area.