Ladoga, Indiana Ladoga, Indiana Ladoga is a town in Clark Township, Montgomery County, in the U.S. state of Indiana. The population was 985 at the 2010 census. Ladoga was platted in 1836 by John Myers. Myers invited his friends to help him find a name. He required that the name not end in -burg or -ville and that it would not be named after another town. He chose Ladoga after finding Lake Ladoga on a map of Russia. In 1837, the town's post office was established, which still operates today. In 1840 there were fifteen buildings in Ladoga, including two large stores
Lake Onega in its center. Thawing starts in April in the tributaries and reaches the lake in May. Water in the deep parts is clear, with the visibility up to . In the bays, the visibility may decrease to about a meter. The water is fresh, with a salinity of 35 mg/L. This is relatively low for a lake and is about times lower than in the other large lake of the area, Lake Ladoga. The maximum surface water temperature is on the open lake and in the bays. The deep waters are much colder, from in winter to in summer. Weather